What Is a Bank Statement Loan?

A bank statement loan is a mortgage where a self-employed borrower's income is documented with deposits on bank statements instead of tax returns. It sits outside the conventional full-doc path, so each lender writes its own program rules.

This guide covers what the loan is, where it comes from in published program documents, how deposits turn into a monthly income figure, and what a broker can check on the statements before the file goes to a lender.

The short definition

The live StatementReady FAQ describes it as a mortgage "that documents a self-employed borrower's income using deposits on personal or business bank statements instead of tax returns." It adds: "Requirements vary by lender and program." [4]

One published example: Arch Mortgage Funding's Non-QM quick reference lists among its alternative income documentation options "Bank Statement: 12 or 24 months' personal or business bank statements (minimum self-employed business ownership of 25%)". [1] That's one lender's document, not a rule for every program.

Why bank statements count as income records at all

For consumer mortgages covered by the federal ability-to-repay rule, the lender has to verify the income it relies on. Regulation Z, 12 CFR 1026.43(c)(4), says a creditor "must verify the amounts of income or assets that the creditor relies on … using third-party records that provide reasonably reliable evidence of the consumer's income or assets." Its list of example records includes "Financial institution records." [2]

That's the reason a bank statement loan is not the same thing as a stated income loan: the statements are the records. See stated income loan vs bank statement loan.

How deposits become a monthly figure

Each program sets its own method. One structure seen in published programs: count the eligible deposits over 12 or 24 months, apply the borrower's ownership share and an expense factor (on business accounts), and average by month. The StatementReady worksheet uses the same shape: "average counted deposits × ownership % × (1 − expense factor)", with the factor taken from the lender's program. [4]

Made-up numbers for illustration only, not a lender calculation: $240,000 in counted business deposits over 12 months, 100% ownership and a 50% expense factor give $240,000 × 50% ÷ 12 = $10,000 a month.

For the full math, see how bank statement income is calculated and the expense factor guide.

What else goes in the loan file

The statements are only one part. The StatementReady FAQ notes that programs "still ask for other documents, such as proof the business exists and an expense letter or P&L." [4] Which ones, and in what form, is set by the lender. Start with the documentation checklist and confirm against the lender's current matrix.

What a broker can check before submitting

These are checks on the documents, not lender requirements:

1. Every month is there. Count statement periods against the 12- or 24-month window. Gaps are covered in missing months.
2. Balances add up. Check whether each statement's transactions add up to its printed opening and closing balances. See reconciliation.
3. Transfers and refunds are separated. Money moving between the borrower's own accounts is not new income. See excluding transfers.
4. Large deposits are listed. Flag them early so the borrower can gather an explanation. See large deposits.
5. NSFs and overdrafts are counted. See the NSF counter guide.
6. Business vs personal accounts are clear. See business vs personal statements.

FAQ

Is a bank statement loan the same as a stated income loan?

No. On a bank statement loan, the statements are the income records the lender reviews. A stated income loan, in the older sense, relied on the income the borrower stated. See stated income vs bank statement loans.

How many months of statements are needed?

It depends on the program. Arch's quick reference, for example, lists 12 or 24 months. [1] Confirm with the lender. See 12 vs 24 months.

Can personal bank statements be used?

Some programs accept personal statements, business statements or both, each with its own rules. Arch's quick reference lists "personal or business bank statements". [1] Confirm with the lender.

Does StatementReady decide whether the loan is approved?

No. It doesn't make a credit decision. You review the flags, and you and your lender stay responsible for checking the results against program guidelines. [4]

Sources (checked 2026-11-04)

Product statements are quoted from the live StatementReady FAQ on the date checked. These documents may change; confirm the current version with the lender. Fannie Mae, Freddie Mac, FHA, VA, USDA and other programs have their own requirements.

1. Arch Mortgage Funding, Inc., Non-QM Quick Reference (PDF, © 2026; version online when checked Nov 4, 2026): "The alternative income documentation options include Bank Statement: 12 or 24 months' personal or business bank statements (minimum self-employed business ownership of 25%), IRS Form 1099, Written Verification of Employment (WVOE) and Asset Depletion." https://mortgage.archgroup.com/wp-content/uploads/sites/4/MCUS-B1531AMF-26A-Non-QM-Program-QR.pdf
2. eCFR, 12 CFR 1026.43(c)(4), Verification of income or assets (current text as fetched Nov 4, 2026): "A creditor must verify the amounts of income or assets that the creditor relies on under § 1026.43(c)(2)(i) to determine a consumer's ability to repay a covered transaction using third-party records that provide reasonably reliable evidence of the consumer's income or assets." Examples include "(iv) Financial institution records". https://www.ecfr.gov/current/title-12/chapter-X/part-1026/subpart-E/section-1026.43
3. Fannie Mae Selling Guide, B3-3.5-01 (12/13/2023): "Any individual who has a 25% or greater ownership interest in a business is considered to be self-employed." https://selling-guide.fanniemae.com/sel/b3-3.5-01/underwriting-factors-and-documentation-self-employed-borrower
4. StatementReady FAQ: https://statementready.net/faq

Related guides

• Bank statement loan documentation checklist
• Bank statement loan underwriting guidelines
• Bank statement vs 1099 vs P&L loans
• The self-employed borrower's first call

For shorter answers, see the StatementReady FAQ.

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