Questions to Ask Your Custom Home Builder Before Signing

Why These Questions Matter Before You Sign

Signing a custom home building contract is one of the largest financial commitments most people will ever make. The average cost to build a custom home in the United States ranges from $300,000 to well over $1,000,000 depending on size, location, and finish level. See our full breakdown of what it costs to build a home in 2026 for national benchmarks. Yet many homeowners walk into their first builder meeting without a single prepared question. They trust glossy portfolio photos and a firm handshake to stand in for due diligence.

That gap between trust and verification is where most custom home disasters begin. A builder who sounds experienced and confident in the showroom may have one active project and three outstanding liens. A contract that “looks standard” may contain payment terms, allowance definitions, and change-order clauses that expose you to tens of thousands in unexpected costs. Asking the right questions before you sign is not about distrust. It is about converting vague verbal reassurances into documented, verifiable commitments.

The stakes are higher than most buyers realize

New residential construction data from the Census Bureau shows that hundreds of thousands of new homes begin construction each year across the United States. Among those projects, disputes between homeowners and builders over cost overruns, timeline failures, and construction defects are among the most common and most expensive categories of residential legal conflict. The vast majority of those disputes trace back to contracts that were signed without adequate pre-negotiation questions.

The questions in this guide serve three functions. First, they extract information the builder may not volunteer. Second, they signal to the builder that you are an informed buyer who will hold them to their commitments. Third, they create a documented baseline against which you can measure performance throughout construction. Builders who answer these questions clearly and confidently are almost always better builders. Builders who deflect, hedge, or become defensive when asked reasonable questions are telling you something important.

What this guide covers

This article is organized around the eleven most important categories of pre-signing questions. You do not need to fire every question in a single meeting. Many buyers find it useful to spread the process across two or three meetings, using the first meeting to assess general fit and the subsequent meetings to drill into specifics. What matters is that you have clear, written answers to all of these categories before you sign anything.

Research from the National Association of Home Builders consistently shows that homeowners who document their expectations before construction begins report significantly higher satisfaction with the finished product than those who rely on verbal agreements.

The categories below move from foundational (licensing and credentials) to tactical (timeline and change orders) to protective (red flags and your final checklist). Work through them in order, or use the headings to jump to the categories most relevant to your current stage of research.

Licensing, Insurance, and Bonding Questions

Before any other conversation happens, you need to verify that the builder has the legal right to build in your state and the financial protection in place to cover you if something goes wrong. Licensing requirements for residential contractors vary by state, but virtually every state requires some form of contractor licensing for projects above a minimum dollar threshold. Failing to verify this before signing exposes you to significant risk.

What specific licenses does your company hold, and in which states?

This is not a trick question, and any reputable builder will answer it without hesitation. Ask for the license number, not just a verbal confirmation. Then verify independently. Most state contractor licensing boards have public-facing online lookup tools where you can confirm that the license is current, in good standing, and covers the scope of work you are contracting for. A builder who objects to this verification is a builder worth walking away from.

Some states have tiered licensing systems. A “residential contractor” license may not cover the same scope as a “general contractor” license. Confirm that the license your builder holds covers custom home construction from foundation to finish, including the management of subcontractors for electrical, plumbing, and mechanical work.

What general liability and workers’ compensation insurance do you carry?

General liability insurance protects you if the builder or their subcontractors cause damage to adjacent property or injure a third party during construction. Workers’ compensation insurance covers medical expenses and lost wages for any worker injured on your job site. Without these coverages, you may be liable. Ask for certificates of insurance, not verbal assurances. The certificate should name you as an additional insured on the general liability policy and should show current coverage dates.

The minimum general liability limits for residential construction are typically $1,000,000 per occurrence and $2,000,000 aggregate, though many custom home builders carry higher limits. Workers’ compensation coverage should be verified for all subcontractors as well. A builder who uses subcontractors without verifying their insurance is creating liability exposure for you.

Are you bonded, and what does that bond cover?

A contractor’s bond is a form of financial guarantee that protects against specific types of contractor failure, most commonly abandonment of a job or failure to pay subcontractors. Bond requirements and coverage scopes vary significantly by state. Some states require license bonds as a condition of licensing. Others allow contractors to operate without bonding. Ask your builder specifically what their bond covers and what the bond amount is. For a custom home project, a bond of $50,000–$100,000 is common, though the actual protection it provides is limited.

Per the International Code Council, construction on a new home must comply with adopted local building codes, and licensed contractors are expected to both know and comply with those standards. Verifying licensing is the first step in confirming that your builder is accountable to that framework.

Experience and References Questions

Licensing confirms that a builder meets minimum legal requirements. Experience questions reveal whether they have actually done what they are promising to do for you. The residential construction industry includes builders who have completed thousands of homes and builders who have completed three. The contract language looks similar in both cases.

How many custom homes has your company completed in the past five years?

Volume matters, but it is not the only metric. A builder who has completed 200 homes per year using semi-custom production methods has very different capabilities than a builder who has completed 15 fully custom homes with complex architectural features. The key is fit between your project’s complexity and the builder’s demonstrated experience. If your project includes a custom foundation system, a complex roofline, or high-end mechanical systems, verify that the builder has completed comparable work.

Ask for a portfolio or project list, and ask specifically about projects that match your scope. Be skeptical of builders who can describe past projects only in vague terms. A confident, experienced builder can tell you the square footage, the finish level, the primary challenges, and the outcome of any project they have completed.

Can you provide three to five references from homeowners whose homes you completed in the past two years?

Recent references are the most valuable. A builder’s quality and reliability can change significantly over two to three years, particularly if they have grown rapidly, changed key personnel, or taken on more volume than their systems can support. References from five or more years ago tell you less than you might hope. Ask the builder to provide contact information for three to five homeowners from projects completed in the last two years.

When you contact those references, ask these specific questions: Did the project finish on time, and if not, by how long did it run over? Did the final cost match the contracted price, and if not, what drove the overruns? How responsive was the builder to issues discovered during and after construction? Would you hire this builder again? That last question is the most revealing. A homeowner who experienced a difficult build will still often say they would hire the builder again if the builder handled problems professionally.

Can we see a project currently under construction?

Visiting an active job site tells you more than any portfolio photo. You can assess whether the site is organized and well-maintained. You can observe whether framing, sheathing, and rough systems work meets visible quality standards. You can sometimes speak briefly with the site superintendent, who is often more candid about day-to-day operations than the sales contact.

A builder who is reluctant to show you an active site is worth questioning. Valid reasons for limited access include homeowner privacy restrictions and safety requirements. A builder who simply deflects or changes the subject when you ask to see active work is raising a question you should not ignore.

Project Scope and Allowance Questions

One of the most common sources of custom home cost surprises is the gap between what buyers think they are getting and what the contract actually specifies. Allowances, specifications, and scope boundaries are the primary mechanisms through which that gap is created and exploited. Understanding these concepts before you sign is essential.

What is included in the base price, and what is not?

Every custom home contract has a defined scope. Some builders include items like landscaping, driveway paving, and window treatments in their base price. Others exclude them entirely. Some builders include a site preparation allowance that covers typical conditions but not extraordinary ones (like rock excavation or significant grading). Understanding precisely what is in and out of scope before you sign prevents the most common category of cost surprise.

Ask the builder to walk you through a line-by-line scope summary, and ask specifically about the following items: site preparation and clearing, utility connections and meter fees, landscaping and irrigation, driveway and walkways, window treatments, appliances, garage doors and openers, exterior lighting, and permit fees. Any of these that are excluded from scope should be budgeted separately before you commit to a total project cost.

How are allowances defined, and what happens when we go over?

Allowances are budget placeholders for items that have not yet been specifically selected at the time of contract signing. Common allowances include flooring, cabinetry, countertops, plumbing fixtures, lighting fixtures, and appliances. The problem with allowances is that they are frequently set too low relative to the selections that buyers actually want, creating a predictable source of budget overruns.

The table below illustrates the gap between typical low allowance figures and market-rate selections for common custom home categories.

Ask the builder how allowances are calculated and whether they represent realistic budgets for the quality level you have described. Ask what the process is if you exceed an allowance, including whether overages are charged at cost or with a markup, and when payment for overages is due. Some contracts require allowance overage payments at selection; others roll them into the final draw.

Who selects and manages subcontractors for trades work?

Custom home construction involves a substantial number of subcontractors: framers, plumbers, electricians, HVAC technicians, roofers, insulators, drywall crews, painters, and finish carpenters, among others. The quality of those subcontractors determines much of the quality of your finished home. Ask the builder whether they use a consistent roster of subcontractors or bid each trade separately for each project.

Builders who maintain long-term relationships with a consistent crew of subcontractors typically produce more consistent quality. Builders who constantly rebid trades on price often struggle with coordination, scheduling conflicts, and quality variation. Ask for the names of the key subcontractors who would work on your home and whether you can verify their credentials and insurance. Per the BLS Occupational Outlook Handbook for construction, skilled trades workers are in high demand, and access to experienced, reliable subcontractors is a genuine competitive advantage for quality builders.

Contract Terms and Payment Schedule Questions

The contract is the legal foundation of your relationship with the builder. Signing a poorly structured contract exposes you to risks that no amount of goodwill can remedy after the fact. Take the time to understand every material term before signing, and consider having a construction attorney review the document before you execute it.

What payment schedule does the contract require?

Payment schedules in custom home contracts are typically tied to construction milestones: a deposit at signing, payments at foundation completion, framing completion, rough systems completion, drywall, and final completion. The specific percentages and milestones vary, but the general principle is that payments should track the completion of verifiable work. You should never be paying significantly ahead of the work that has been completed.

Be cautious about contracts that require large upfront payments before construction begins, particularly if those payments are substantially higher than the cost of mobilizing and completing initial site work. A deposit of 5–10% at signing is common and reasonable. Contracts requiring 20–30% upfront before any work begins warrant careful scrutiny. The Consumer Financial Protection Bureau recommends that consumers understand their contractual obligations fully before signing any major home-related contract.

What does the contract say about price guarantees and cost overruns?

There are two primary contract structures for custom home construction: fixed-price (lump-sum) contracts and cost-plus contracts. In a fixed-price contract, the builder commits to completing the home for a specified total price, with overruns beyond agreed allowances borne by the builder. In a cost-plus contract, the homeowner pays actual costs plus a fixed fee or percentage, with overruns passed through to the homeowner.

Each structure has legitimate use cases, but each also carries different risk profiles.

Regardless of contract type, ask specifically: under what circumstances can the builder increase the contract price? What is the process for approving those increases? Are there any categories of cost that are excluded from the contract price that could be billed separately?

What are the dispute resolution provisions?

Most construction contracts include provisions specifying how disputes will be resolved if they arise. Common provisions include mandatory mediation before litigation, binding arbitration in lieu of litigation, and specific notice requirements that must be met before a claim can be pursued. These provisions have significant practical implications.

Binding arbitration, for example, limits your ability to pursue your claims in court. Some arbitration clauses specify the arbitration provider (such as the American Arbitration Association) and the rules that govern proceedings. Others are less specific. Ask the builder to explain the dispute resolution provisions in the contract, and ask specifically whether you are waiving your right to a jury trial. Have a construction attorney review these provisions before signing if there is any ambiguity.

Timeline and Project Management Questions

A realistic, well-structured timeline is one of the clearest indicators of builder competence and organizational maturity. Builders who can provide a detailed, milestone-based schedule have typically built enough homes to understand how construction actually unfolds. Builders who offer only vague estimates are often guessing.

What is the projected construction timeline from permit to certificate of occupancy?

Custom home construction timelines vary significantly based on home size, complexity, site conditions, and local permit processing times. A straightforward custom home in the 2,500–3,500 square foot range typically takes 10–16 months from permit issuance to certificate of occupancy in most US markets. Larger or more complex homes can take 18–24 months or more. Our detailed custom home building timeline phase by phase guide breaks down every phase from pre-construction through final walk-through.

Ask the builder to provide a timeline that includes the following milestones: permit submission and expected approval, site preparation and utility installation, foundation work, framing completion, rough mechanical inspections, insulation and drywall, finish work and fixture installation, final inspections, and certificate of occupancy. Each milestone should have an estimated completion date. If the builder cannot provide this level of detail before signing, ask what triggers are needed to produce a detailed schedule.

What factors could extend the timeline beyond the estimate?

Weather delays, permit processing backlogs, material delivery delays, and subcontractor scheduling conflicts are the most common causes of construction timeline extension. A builder who acknowledges these factors and has systems for managing them is more credible than one who promises an unrealistically smooth process. Ask specifically how the builder has handled timeline disruptions on past projects, and ask whether the contract includes any provisions for timeline guarantees or penalties for delays.

US Census Bureau new home construction statistics track average construction timelines by region and home type, and they consistently show that actual construction times exceed initial projections by meaningful margins. This is not always the builder’s fault, but it is a reality you should plan for financially and logistically.

Who will be the day-to-day point of contact on my project?

One of the most consistent complaints homeowners report about custom home projects is difficulty getting timely answers and updates from their builder. Before signing, establish clearly who will be your primary contact throughout construction and what their communication commitments are. Will you have a dedicated project superintendent? How often will you receive formal progress updates? What is the expected response time for questions and concerns?

Ask to meet the project superintendent who will be assigned to your home before you sign the contract. This person will have more day-to-day impact on your experience than anyone else in the builder’s organization. A superintendent who is professional, organized, and communicative is a significant asset. One who is overextended across multiple active projects and difficult to reach is a significant liability.

Change Order and Cost Overrun Questions

Change orders are modifications to the original scope of work after the contract is signed. They are common in custom home construction, they almost always cost money, and they are one of the primary sources of budget overrun. Understanding how your builder handles change orders before you sign is essential.

What is the process for initiating and approving change orders?

A well-run custom home builder will have a documented change order process that includes a written description of the scope change, a cost estimate, a timeline impact assessment, and signatures from both parties before any additional work begins. Ask the builder to walk you through their change order process. Ask to see a sample change order document.

Be cautious about builders who handle changes verbally or who suggest that small changes “don’t need paperwork.” Every scope change, regardless of cost, creates a potential dispute if it is not documented. Changes that are handled verbally in the moment often resurface at the end of the project as disputed line items on the final invoice. The documentation requirement is for your protection, not the builder’s.

What markup does the builder apply to change order costs?

Markup on change orders varies widely among builders, and it is a detail that catches many homeowners by surprise. Some builders apply a markup of 10–15% to cover overhead and profit on change order work. Others apply markups of 20–25% or higher. Some builders apply a separate administrative fee in addition to a markup. All of these approaches are common in the industry, and none is inherently unreasonable. What matters is that you know the markup structure before you sign, not after you have already committed to a scope change.

Ask the builder to specify their change order markup policy in writing, and ask whether it applies to both material and labor costs or only to one. Ask whether there is any minimum threshold below which changes are absorbed without markup. This information should be in the contract, and if it is not, ask to have it added.

What happens if material costs increase significantly during construction?

Material cost volatility has been a significant factor in residential construction over the past several years, with lumber, steel, and other key materials experiencing substantial price swings. NAHB’s Eye on Housing has tracked the impact of material cost inflation on new home pricing extensively. Ask your builder how material cost increases are handled in a fixed-price contract. Are there any material cost escalation clauses that could allow them to pass cost increases through to you? If so, what are the triggers and caps?

In a true fixed-price contract, material cost increases should be the builder’s risk. But some contracts include language that shifts this risk to the homeowner under certain conditions. Understanding where that risk sits before you sign prevents a significant category of surprise.

Communication and Project Management Questions

The quality of communication during construction is one of the strongest predictors of homeowner satisfaction with the overall process. Even experienced, competent builders can create miserable client experiences through poor communication practices. This section addresses the systems and habits that determine how well-informed you will be throughout the build.

What project management system do you use to track progress and communicate with clients?

The residential construction industry has moved significantly toward digital project management tools over the past decade. Platforms like Buildertrend, CoConstruct, and similar tools allow builders to share schedules, progress photos, budget tracking, and communication logs with homeowners in real time. Ask whether your builder uses any such system and whether you will have access to it during construction.

A builder who manages projects through phone calls and email alone is not necessarily a poor builder, but they are operating without the organizational tools that make consistent communication easier to maintain across multiple active projects. Ask how you will receive progress updates, how frequently formal updates are provided, and how issues or concerns should be communicated.

How do you handle disagreements between what we selected and what was installed?

This is a more pointed version of the communication question, and it is worth asking directly. Construction errors occur on every project. Materials are occasionally substituted when specified products are unavailable. Subcontractors occasionally install items in locations or configurations that differ from the plan. The question is not whether these issues will occur, but how the builder responds when they do.

Ask the builder to describe a specific situation from a past project where something was installed incorrectly or differently than specified, and how they resolved it. The answer reveals both their attitude toward accountability and their process for remediation. A builder who immediately deflects blame onto the homeowner or the subcontractor is telling you something important about how conflicts on your project will be managed.

What documentation will I receive at the completion of the project?

At project completion, you should receive a comprehensive set of documents that you will need to maintain and operate your new home. These include all building permits and inspection sign-offs, manufacturer warranties for major systems and appliances, the builder’s workmanship warranty documentation, as-built drawings if changes were made during construction, operation manuals for HVAC, plumbing fixtures, and other systems, and contact information for the subcontractors who performed key work. Ask the builder to describe what documentation they provide at close-out and whether it is delivered in a physical package, a digital format, or both.

Quality Standards and Warranty Questions

Quality standards determine what your home is built to, and warranties determine what protections you have after construction is complete. Both require specific, verifiable answers before you sign.

What building codes govern your work, and how do you ensure compliance?

All residential construction in the United States must comply with adopted building codes, which vary by jurisdiction. Most jurisdictions have adopted some version of the International Residential Code (IRC), published by the International Code Council. Some municipalities adopt the model codes with local amendments. Understanding which code version governs your project and how the builder ensures compliance is a legitimate pre-signing question.

Ask the builder whether they have a formal quality control process that goes beyond passing mandatory inspections. Some builders conduct their own internal inspections at key stages before scheduling official inspections. Others rely entirely on the inspection process as their quality check. A builder who has invested in quality control systems beyond the minimum required inspections is a builder who takes quality seriously. For energy efficiency and sustainability questions, ask whether the builder builds to any recognized standard such as ENERGY STAR or LEED certification.

What warranty do you provide on workmanship and materials?

Builder warranties typically cover three categories: workmanship defects (typically 1 year), mechanical systems (typically 2 years), and structural defects (typically 10 years). Some states mandate minimum warranty terms through statute; others leave warranty terms entirely to contract. Ask the builder what their warranty covers, what it excludes, and what the process is for submitting a warranty claim.

The warranty table below shows common coverage periods for different defect categories.

Ask specifically how warranty claims are handled: who is the point of contact, what is the expected response time, and does the builder perform warranty work directly or subcontract it? A builder who subcontracts warranty work to crews other than those who performed the original installation is creating a scenario where accountability is diffuse and response times are unpredictable.

Will the home be built to any third-party energy or performance standards?

Energy performance standards for new homes have become increasingly important as energy costs rise and buyers have grown more sophisticated about operating costs. Ask whether the builder builds to ENERGY STAR certification standards, which require third-party verification of insulation, air sealing, duct sealing, and HVAC efficiency. Ask whether they incorporate Department of Energy guidance on efficient home design into their standard practices.

A home built to ENERGY STAR standards typically uses 15–30% less energy than a comparable home built only to minimum code. That translates to meaningful operating cost savings over the life of the home. Builders who build to these standards have invested in training and process changes that typically correlate with higher overall quality. The Census Bureau’s Characteristics of New Housing series tracks the share of new homes built with energy-efficient features, and that share has increased significantly over the past decade.

Red Flags: Answers That Should Make You Walk Away

Not all answers to the questions above will be acceptable. Some responses indicate genuine risk. This section identifies the answers and patterns that should prompt serious reconsideration regardless of how much you like the builder’s portfolio or how smooth the sales process has been.

Inability or unwillingness to provide verifiable credentials

A builder who cannot provide a license number for independent verification, who is vague about their insurance coverage, or who deflects when asked for certificates of insurance has a problem. Reputable builders keep these documents current and accessible because they are accustomed to providing them to clients. A builder who treats credential verification as a personal insult is a builder who is not accustomed to professional scrutiny.

The same applies to references. A builder who cannot provide recent references, who provides references but asks you not to contact them directly, or whose references are uniformly vague and positive without any specifics is a builder whose track record may not support the presentation.

• No verifiable license or out-of-date license
• No certificates of insurance or insurance from an unverifiable carrier
• References who cannot recall specifics of the project or who speak only in scripted superlatives
• Resistance to visiting an active job site
• Financial documents that cannot be reconciled with claimed project volume

Pressure to sign before you are ready

High-pressure sales tactics are a red flag in any major purchase, and custom home construction is no exception. A builder who creates urgency by claiming that pricing is only valid for a short window, that other buyers are interested in the same lot, or that delays in signing will push your start date back significantly may be using tactics designed to prevent you from doing proper due diligence. Legitimate builders with full project schedules do not need to pressure buyers into premature commitments.

Take the time you need. Have a construction attorney review the contract. Contact all references. Visit the active job site. If the builder is unwilling to accommodate reasonable due diligence timelines, that unwillingness is informative.

Vague or verbal answers to specific contract questions

A builder who responds to specific questions about change order markup, payment schedules, or warranty terms with vague verbal assurances (“don’t worry, we’ll take care of you”) is a builder who either does not have documented systems or is deliberately avoiding commitments they do not intend to keep. Every important term should be in writing. If a builder’s answer to a specific question is “we’ll figure that out as we go,” the answer to their contract proposal should be “not yet.”

Zillow Research and Realtor.com Research consistently document that newly built homes command significant premiums over resale homes in most markets. That premium is justified when the new home is built by a qualified builder to a high standard. It is not justified when the buyer signed a problematic contract without adequate due diligence.

Substantially low bids without clear explanation

A bid that comes in significantly below competitive alternatives warrants investigation, not celebration. Below-market bids are typically explained by one of four factors: low allowances that will escalate during selections, excluded scope items that will be billed separately, planned use of lower-cost labor or materials than you expect, or a builder who has underpriced the work and will run into financial difficulty during construction. Ask the builder to explain specifically why their price is lower than competitors. If the answer is unclear or unsatisfying, treat the low bid as a warning rather than a windfall.

For context on realistic cost ranges by home type and region, see our guide on cost per square foot to build a house, and our analysis of cost to build vs buy a house to understand where custom construction fits in the broader housing market.

Putting It All Together: Your Pre-Signing Checklist

Everything covered in this guide distills into a pre-signing checklist that you can use to organize your due diligence process. Work through this list systematically before you sign any custom home building contract. The checklist is organized by the same category sequence as the article, making it easy to cross-reference.

Using this checklist in your builder meetings

The checklist below is designed to be used across two to three builder meetings. In the first meeting, focus on credentials, references, and general project fit. In the second meeting, work through contract terms, payment schedules, and allowances. In the third meeting (if needed), address any remaining questions about timeline, communication systems, and warranty terms. Getting all of this information in one meeting is difficult and creates pressure on both sides. A structured multi-meeting approach produces more honest, considered answers.

For buyers who are also evaluating land and financing options, see our guide on foundation costs and options, which covers one of the most significant variables in custom home construction costs.

The pre-signing checklist

Credentials and Insurance
– License number verified independently through state contractor board
– Current general liability certificate received (you named as additional insured)
– Workers’ compensation coverage confirmed for builder and subcontractors
– Bond amount and coverage scope confirmed in writing
– No active complaints or disciplinary actions on state license board record

Experience and References
– Number of comparable projects completed confirmed and consistent with claims
– Three to five recent references contacted directly (not through the builder)
– References able to speak specifically about timeline adherence, cost management, and post-completion responsiveness
– Active job site visited and found to be organized and professionally managed

Scope and Allowances
– Complete line-item scope of work reviewed and understood
– All excluded items identified and separately budgeted
– All allowance amounts reviewed and assessed for realism given target quality level
– Allowance overage markup policy confirmed in writing
– Subcontractor roster reviewed and key trades’ credentials verified

Contract Terms
– Payment schedule tied to verifiable milestones (not front-loaded)
– Price guarantee provisions reviewed and understood
– Material cost escalation clauses identified and assessed
– Dispute resolution provisions reviewed (arbitration vs. litigation)
– Construction attorney review completed for contracts above $300,000

Timeline and Communication
– Milestone-based schedule provided with specific dates
– Day-to-day site contact identified (met in person)
– Communication frequency and format agreed in writing
– Project management platform access confirmed (if applicable)

Change Orders and Overruns
– Written change order process confirmed and sample document reviewed
– Change order markup percentage confirmed in writing
– Minimum threshold for change order documentation confirmed
– Process for homeowner-initiated vs. builder-initiated changes clarified

Quality and Warranty
– Applicable building code version confirmed
– Quality control process beyond mandatory inspections described
– Energy efficiency standard (ENERGY STAR, etc.) confirmed if applicable
– Written warranty document reviewed covering workmanship, systems, and structural
– Warranty claim process and response time commitments in writing
– Close-out documentation package contents confirmed

The National Association of Home Builders recommends that all homeowners conduct thorough pre-contract due diligence on any builder before committing to a custom home project, and that recommendation is reflected in this checklist. A buyer who completes this process is positioned to begin construction with a clear, documented understanding of their rights, their builder’s commitments, and the standards against which performance will be measured.

Taking the time to work through the questions to ask your custom home builder before signing is not an obstacle to moving forward. It is the process by which you convert a leap of faith into a well-reasoned decision. See our complete overview of what it costs to build a home in 2026 to benchmark your budget as you move through builder selection.