Bank statement loan requirements, explained in the actual math.
How 12 and 24 month programs differ, how deposits become qualifying income, and why the expense factor matters more than almost anything else in your file.
12 months or 24 months?
Nearly every bank statement program is built on one of two documentation windows. Neither is universally better — they answer different problems.
Useful when the most recent year is your strongest, when the business is newer, or when older statements would drag the average down. Fewer documents to gather, and a shorter window to explain.
Useful when income is seasonal or lumpy, since two years of deposits smooth the average. Longer histories can also price more favorably on some programs.
How deposits become qualifying income
Underwriting does not simply average your balance. Eligible deposits are totaled, non-qualifying items are removed, and an expense factor is applied to approximate what the business actually keeps.
- Total deposits over 12 months
- $540,000
- Less transfers & non-business deposits
- −$60,000
- Eligible deposits
- $480,000
- Expense factor applied (example: 50%)
- × 0.50
- Annual qualifying income
- $240,000
- Monthly qualifying income
- $20,000
Illustration only. Deposit eligibility, exclusions, expense factors, ownership adjustments, credit and reserve requirements, rates and terms vary by lender and program. This is not a pre-qualification, approval or commitment to lend.
Notice which number does the heavy lifting: the expense factor. Moving it from 50% to 35% on the same deposits changes qualifying income substantially — which is why documenting your real expense profile, through a CPA statement or P&L where a program allows it, is often the highest-value thing a self-employed borrower can do before applying.
What to gather
- 12 or 24 consecutive months of business and/or personal bank statements, all pages
- Evidence of self-employment — business license, CPA letter, or state registration
- Ownership percentage documentation where the business has multiple owners
- A profit-and-loss statement, if the program uses one to set the expense factor
- Documentation for large or unusual deposits so they can be counted or excluded correctly
- Asset statements for down payment and reserves
Common reasons files come back short
- Transfers between your own accounts counted as revenue, then removed in underwriting
- Business and personal spending mixed in one account, muddying the deposit picture
- Cash-heavy revenue that never hit a bank account and therefore cannot be counted
- A months-long gap in statements, or statements provided without every page
- Large one-time deposits — a loan, a gift, an asset sale — without documentation
Questions self-employed borrowers ask.
What is a bank statement loan?
A bank statement loan is a non-QM mortgage that documents self-employed income using business or personal bank deposits over a set period instead of tax returns and W-2s. Program structures, deposit treatment and eligibility vary by lender.
How many months of bank statements do lenders require?
Most programs use either 12 or 24 months of statements. A 12-month program shortens the documentation window and can suit a recently improved year; a 24-month program can smooth out seasonality and sometimes prices better. Requirements vary by lender and program.
How is qualifying income calculated from deposits?
Lenders total eligible business deposits over the period, exclude non-qualifying items such as transfers between accounts and one-time or non-business deposits, then apply an expense factor to arrive at qualifying income. Expense factors commonly fall in a range and may be based on a fixed percentage, a CPA or tax preparer statement, or a profit-and-loss statement, depending on program.
What expense factor will be applied to my deposits?
It depends on the program and how business expenses are documented. Some programs use a fixed default percentage; others allow a lower expense factor when supported by a CPA letter, a P&L, or the business type. The applied factor directly determines qualifying income, so it is worth reviewing before you shop.
How long must I be self-employed to qualify?
Programs commonly look for a documented self-employment history — often around two years — evidenced by a business license, CPA verification or similar documentation. Some programs consider shorter histories with compensating factors. Requirements vary by lender.
What credit score and down payment are needed?
Bank statement programs generally require more down payment and reserves than agency loans, and minimum credit scores vary by program and by loan size. Rather than quote a number that may not apply to your file, we review your scenario and identify the programs you actually fit.
Can I use personal bank statements instead of business statements?
Many programs allow personal statements where business income is deposited into a personal account, sometimes with a different calculation method or ownership-percentage adjustment. Availability varies by lender and program.
Can bank statement income be used for an investment property?
Yes, and in many investor scenarios a DSCR loan is the simpler path because it qualifies on the property's rent instead of personal income. We compare both when the property is non-owner-occupied.
Send me 12 months of statements. I'll tell you what they qualify for.
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