How Bank Statement Loans Work Differently on New Construction

The Quick Read: The income math on a bank statement loan stays largely the same on a new build, but a second review layer gets added on top of it. The lender still averages your deposits into qualifying income, and it also reviews the builder, the plans, the appraisal, and the timeline. Think of it as two files running side by side, one for you and one for the project.

• Income still comes from 12 months of business or personal bank statements, averaged with lender-specific expense factors.
• The property gets appraised on plans and specs, so value is judged as completed, not as it stands today.
• Builder deposits and upgrade payments leave your account before closing, and each one has to be traceable.
• A delayed delivery can force fresh statements, which can bring older deposits back under review.
• Occupancy decides the paperwork regime: owner-occupied files are consumer mortgages, while non-owner-occupied rentals are business-purpose.

Self-employed buyers often assume new construction means a different loan. It usually doesn’t. It means the same loan with more moving parts, and most surprises come from timing rather than from the income calculation. This guide walks through how underwriting treats the file step by step, the structures that exist, and the edge cases that trip people up. For the wider picture on investor financing, Lendmire’s complete DSCR loans guide covers the rental-income side.

What Is a Bank Statement Loan, Really?

A bank statement loan is a way of documenting income, not a type of property. Instead of traditional personal-income documentation, the lender reviews 12 months of business or personal statements and builds qualifying income from the deposits. Across the select lenders Lendmire works with, that is the common thread, though each program sets its own details.

The loan is reviewed on documented income under the applicable program, subject to lender guidelines. That phrase matters. Credit, identity, assets, and reserves are all still verified. Only the income evidence changes.

Typical file features on most programs in the wholesale network:

• Loan sizes roughly from $125,000 to $3,500,000.
• Reserves commonly around 6 months of the housing payment.
• Up to 90% LTV on a primary residence purchase or rate-term refinance, with stronger files earning the top of that range.
• An asset-depletion alternative, which qualifies from liquid assets, reaching about 80% LTV on a primary residence.

Exact terms vary by borrower, property, and lender. Nothing here is a commitment to lend.

Key Terms Defined

Expense factor: The percentage of business deposits a lender treats as operating costs, so only the remainder counts as income.

Draw: A scheduled release of construction funds, paid to the builder as work reaches set milestones.

As-completed appraisal: A value opinion based on the plans and specifications, assuming the home is finished as described.

Construction-to-permanent loan: Financing that covers the build and then converts into a long-term mortgage, either in one closing or two.

Non-income credit: A deposit such as a transfer between your own accounts, which lenders remove before averaging.

Certificate of occupancy: The local sign-off that a finished home is safe to occupy, often the final step before the loan converts or funds in full.

How Does Underwriting Actually Treat Your Income?

Underwriting follows the same four steps on a new build as on a resale. Where the build matters comes after that.

1. Deposits get averaged. The lender takes eligible deposits across the statement window and averages them.

2. Non-income credits come out. Transfers, refunds, and loan proceeds are stripped. Large deposits can stay in if you document the source. Unverifiable ones may be discounted or excluded.

3. An expense factor applies. Business-account deposits are reduced by a lender factor. Personal-account deposits are often treated differently by program. No one should promise a universal formula, because factors differ by lender.

4. An accountant-prepared ratio can change the result. A CPA or tax-preparer letter may support a ratio different from the lender’s default. On owner-occupied cash-out, a fixed expense ratio is the baseline, and an accountant-prepared ratio can move it to 75% LTV treatment as described below.

Eligibility generally centers on self-employment income. Some lenders also limit or exclude rental income in the calculation, so a borrower leaning on rents should ask early.

What Changes on a New Build?

The collateral and the calendar change. Income review mostly doesn’t.

A finished or nearly finished builder home behaves much like a normal purchase. A true ground-up build adds draws, interest-only periods during construction, and a conversion step. Term length on the permanent side is lender-specific and follows each lender’s program sheet, so don’t expect any particular term to be available.

Lenders also look closely at who is building. They typically want the builder’s license, insurance, a detailed budget, plans, and permits. On spec or investor-driven builds, lenders tend to be cautious with newer investors and often want to see prior build or flip experience.

Where Do the Two Files Meet?

They meet at reserves, funds to close, and builder payments. This is where most bank statement files on new construction get tangled.

On a builder contract, money leaves your account in pieces: an earnest deposit, option payments, upgrade payments. Underwriters need to trace each outflow, and each source-of-funds deposit that fed it. If you moved cash between accounts to cover an upgrade, that transfer needs a paper trail.

A practical paper-trail checklist:

• Keep the executed builder contract and every payment receipt together.
• Label transfers between your own accounts, and keep both sets of statements.
• Document any large deposit with its source before the lender asks.
• Avoid commingling personal and business funds in the months you’re building the file.
• Hold the reserve balance in an account that appears on the statements you submit.

Builder reputation doesn’t shortcut this. A well-known builder can actually create more deposits and payments to trace, not fewer.

How Do Deposits Get Reviewed During a Build?

Lenders flag deposits that look unusual against your average pattern. During a build, you also create new unusual-looking movements, so the review tends to be more detailed.

The staleness issue is real. If closing slips because the home isn’t ready, statements can age out of the program’s window. A refreshed pull may re-expose earlier deposits that weren’t fully documented. Seasoning is judged against the statement window actually used, so money that looked settled can come back into question. Building a buffer into the purchase contract timeline, and keeping your documentation tidy from the start, is the best protection.

Which Loan Does the Income Support, Construction or Permanent?

Bank statement income supports whichever borrower-facing loan the lender is offering, and the structure depends on the project. Construction financing commonly runs as one-time close or two-time close. During the build, draws go directly to the builder, and the borrower typically pays interest only on funds drawn. After completion, the loan converts or a separate permanent loan takes it out.

Plan the take-out before you break ground. In a two-time close, you may need to qualify twice, which means a second pass through your statements and a second look at your reserves. In a one-time close, some conditions are fixed up front, but the appraisal basis, draw inspections, and conversion requirements still have to be met. The idea that construction financing locks in everything on day one is a myth.

Ask any lender which pull of your statements the permanent loan will use, and what happens if the build runs long.

Why Bank Statement and DSCR Don’t Swap Mid-Build

They underwrite different things. A bank statement loan looks at your deposits. A DSCR loan looks at whether the property’s rent covers its monthly obligation, and it qualifies primarily on property-level rental income covering the payment, subject to lender guidelines. An unfinished home has no rent, so rental coverage can’t be shown until it’s leased.

That makes DSCR the usual path for a completed rental, and often after the build. An investor whose personal income documentation is thin, or who holds several entities, may prefer it. The trade-off is simple: the rent has to carry the loan. Select lenders in the network offer programs below 1.00 coverage, though leverage and terms adjust when they do. Lendmire’s piece New Construction vs Existing Home: Bank Statement Loan Differences covers more of the resale-versus-new split.

Where the General Rule Breaks

Several edge cases change the answer.

Occupancy flips the paperwork regime. An owner-occupied file, meaning a primary residence or second home, is a consumer mortgage, and TRID disclosure applies. A bank statement loan on a non-owner-occupied rental, including a short-term rental, is business-purpose and exempt from TRID. Short-term rental rules can vary by city, county, HOA, and property type, so investors should confirm local rules before relying on projected rental income.

Under CFPB Regulation Z § 1026.3, credit to acquire non-owner-occupied rental property is deemed business-purpose, but the special rule fails if the owner expects to occupy the property for more than 14 days in the coming year. The “investment” label alone doesn’t decide it. As Compliance Alliance notes, calling a property an investment does not automatically make the loan exempt.

Cash-out has its own ceilings. On an owner-occupied cash-out, whether primary residence or second home, leverage tops out at 80% LTV with a fixed expense ratio, or 75% with an accountant-prepared ratio, depending on loan size and credit. Investment-property cash-out generally tops out around 75% LTV. Those are cash-out figures, not the 90% primary-residence purchase ceiling. Investment purchase leverage on bank statement documentation varies by lender.

Builder purchase versus ground-up. Treated above, but worth repeating: the closer the home is to finished, the closer the file looks to a plain purchase.

A Worked Example

Picture a self-employed contractor buying a builder-delivered primary residence. These inputs are modeled assumptions, not market data.

• The borrower submits 12 months of business statements.
• The lender removes transfers and an unsourced one-time deposit, then applies its expense factor to what remains.
• The average of what’s left becomes qualifying income.
• The purchase is a primary residence at an LTV within the 90% ceiling for purchases, with stronger credit supporting the higher end.
• Six months of reserves sit in an account shown on the statements.

Now add the build. The borrower paid an upgrade deposit from savings, so the lender asks for the transfer trail. Delivery slips, and the lender asks for refreshed statements. Because the borrower labeled the earlier deposits and kept the contract receipts organized, the refresh clears without a second round of explanation. The income calculation never changed. The documentation discipline decided the outcome.

Common Mistakes and Red Flags

• Treating builder-paid credits or upgrades as casual cash movements instead of documented transactions.
• Mixing personal and business funds right before applying.
• Assuming the first statement pull stays valid no matter how long the build takes.
• Planning to qualify on rental income for a home that hasn’t been completed.
• Skipping the take-out plan until the build is nearly done.
• Assuming “investment property” automatically means business-purpose treatment.

Prep Checklist and Questions to Ask

Before you sign a builder contract, gather the following:

• 12 months of statements for the accounts you’ll use, plus the accounts that fund the deposit.
• Documentation for any large deposits.
• The builder’s license, insurance, budget, and plans, if the lender needs the project file.
• A written plan for how the build will convert to permanent financing.

Questions worth asking any lender: Which statement window will the permanent loan use? What happens to my file if completion slips? How are builder payments traced? Is the structure one-time or two-time close? For the structural details of draw handling, Lendmire’s article on how a super jumbo bank statement loan funds draws goes deeper.

Tax treatment varies; consult a qualified professional before relying on any deduction.

Consumer mortgage licensing for this lane covers 16 states, and every file is underwritten individually by the lender.

About Lendmire

Lendmire, NMLS# 2371349, is a mortgage brokerage focused on investor financing, arranging DSCR loans in 40 states plus Washington, D.C. — 41 markets total. Qualification is based on the property’s income rather than personal income documentation, subject to lender guidelines, making it a fit for LLC-held rentals and scaling portfolios. Scotsman Guide named Lendmire a Top Mortgage Workplace in both 2025 and 2026.

References

1. CFPB Regulation Z § 1026.3

2. Compliance Alliance: Regulation Z and “Investment” Properties