If you’re self-employed in California, you already know the frustration: your tax returns show low taxable income — by design — but your actual bank deposits tell a completely different story. Bank statement loans were created specifically for borrowers like you. Instead of using tax returns to verify income, lenders use 12 or 24 months of your business or personal bank statements to calculate what you actually earn.
But which program is right for you — 12 months or 24 months? The answer depends on your income history, your deposit patterns, and how your lender calculates qualifying income. This guide breaks it all down so you can walk into the conversation prepared.
What Is a Bank Statement Loan?
A bank statement loan is a type of non-QM (non-qualified mortgage) that allows self-employed borrowers to qualify using bank deposits instead of W-2s or tax returns. Lenders look at your average monthly deposits over a set period — either 12 or 24 months — and apply an expense ratio to estimate your net income.
For example, if your business deposits average $25,000 per month and the lender uses a 50% expense ratio, your qualifying income is calculated at $12,500 per month — regardless of what your Schedule C shows.
These loans are widely used by freelancers, consultants, real estate investors, business owners, gig workers, and anyone whose tax strategy legitimately reduces their reported income.
12-Month vs. 24-Month Bank Statement Loans: What’s the Difference?
The core difference is the look-back window the lender uses to calculate your income. Both programs work the same way — average deposits minus an expense ratio — but the time frame changes your qualifying income and who each program is best suited for.
12-Month Bank Statement Loans
With a 12-month program, the lender only reviews the most recent 12 months of deposits. This is ideal if your income has been growing — your recent deposits are higher than they were two years ago, so using only the last 12 months results in a higher qualifying income. It’s also simpler to document: just one year of statements instead of two.
Best for: Borrowers whose income is increasing, newer businesses (less than 2 years old may not qualify for 24-month), or anyone who had a rough year two years ago that they don’t want averaged in.
Watch out for: Rates on 12-month programs are typically slightly higher than 24-month programs because the shorter history is viewed as a somewhat higher risk by the lender.
24-Month Bank Statement Loans
The 24-month program averages deposits over a full two years. If your income has been consistent or gradually increasing, this often produces a similar qualifying income as the 12-month program — but at a better interest rate. Lenders see two years of history as lower risk, which is reflected in the pricing.
Best for: Established business owners with consistent 2-year deposit history, borrowers prioritizing the lowest possible rate, and borrowers whose income didn’t fluctuate much year to year.
Watch out for: If you had one bad year in the past 24 months, it drags down your average. In that case, the 12-month program may produce a higher qualifying income even if the rate is slightly higher.
How Lenders Calculate Your Qualifying Income
Here’s the formula lenders use for bank statement loans:
Total deposits ÷ number of months = average monthly deposits
Average monthly deposits × (1 – expense ratio) = qualifying monthly income
Qualifying monthly income × 12 = qualifying annual income
The expense ratio varies by lender and is sometimes negotiable based on your industry. Common expense ratios range from 40% to 50% for business bank statements and as low as 10% for personal bank statements with a CPA letter confirming your actual expense ratio. Lenders default to 50% but will go lower when a licensed CPA documents your real business expenses — this can significantly increase your qualifying income.
Example: 12-Month vs. 24-Month Comparison
Let’s say you’re a consultant in Marin County with the following deposit history:
- Year 1 (older): Average monthly deposits of $18,000
- Year 2 (recent): Average monthly deposits of $28,000
12-month program: $28,000 × 50% expense ratio = $14,000/month qualifying income ($168,000/year)
24-month program: ($18,000 + $28,000) ÷ 2 = $23,000 average × 50% = $11,500/month qualifying income ($138,000/year)
In this scenario, the 12-month program gives you $30,000 more in annual qualifying income — which could be the difference between qualifying for the home you want or settling for less.
Bank Statement Loan Requirements in California
Requirements vary by lender, but here are the typical guidelines you’ll encounter in California:
- Self-employment: 2 years self-employed (some lenders allow 1 year for 12-month programs)
- Credit score: Minimum 620–660 depending on the lender; better rates above 700
- Down payment: Typically 10–20% depending on loan amount and credit score
- Loan amounts: Up to $4 million for jumbo bank statement loans
- Reserves: 3–12 months of mortgage payments in savings or investments
- Property types: Primary residence, second home, or investment property
California’s high home values — especially in the San Francisco Bay Area, Marin County, and coastal markets — make bank statement loans a natural fit. Loan limits that would cap conventional financing don’t apply the same way to non-QM products, giving you more flexibility on purchase price.
Which Program Is Right for You?
The right choice depends on your specific income history. Here’s a quick guide:
- Choose 12 months if: Your income is growing, you had a difficult year 2 years ago, or you want to maximize qualifying income even at a slightly higher rate.
- Choose 24 months if: Your income has been steady or consistent, you’ve been in business 2+ years, and you want the lowest available rate.
- Run the numbers both ways: The best approach is to have your mortgage broker calculate qualifying income under both programs and compare the resulting loan amounts and monthly payments.
Ready to See If You Qualify?
At DiVita Home Finance, we specialize in bank statement loans for self-employed borrowers throughout California. We work with multiple non-QM lenders and can run your numbers under both 12-month and 24-month programs to find the best fit for your situation.
Call us toll-free at 800-239-1103 or apply online to get started. We’re California mortgage brokers licensed since 2007, and we know how to get self-employed borrowers approved.
DiVita Home Finance, Inc. | California Department of Real Estate Broker #01818285 | NMLS #323700
