The whole point of a bank statement loan is that your tax write-offs don't sink your mortgage application. Instead of your taxable income, the lender looks at the money actually flowing into your accounts. But how exactly do they turn deposits into 'qualifying income'? Here's the real math.
Personal vs. business accounts
The account type matters a lot. With a personal bank account, lenders typically count 100% of your deposits as income. With a business account, they usually count about 50% — the other half is assumed to cover business expenses. Some lenders adjust this with a CPA expense-ratio letter.
A simple example
Say you deposit $20,000 a month into your business account. At a 50% factor, that's $10,000 a month in qualifying income — even if your tax return shows far less after write-offs. Roughly speaking, $20,000/month in business deposits can support around a $350,000 home, depending on credit, debts, and down payment.
12 vs. 24 months of statements
Most lenders want 12 to 24 months of statements. Providing 24 months usually produces a more accurate, stronger income calculation — especially if your business is seasonal or your monthly deposits swing up and down.
Other documents you'll need
Beyond statements, expect to provide proof of self-employment (a business license, incorporation document, or CPA letter), and asset statements showing funds for your down payment and closing costs. No W-2s and no tax returns required for income.
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