How to Qualify on 1 Year of Bank Statements Instead of 2

The Quick Read: Qualifying on one year of bank statements works when your recent twelve months of deposits show stronger income than the older year would, and the program you choose accepts a 12-month window. Across Lendmire’s wholesale network, 12 months of consecutive business or personal statements is the standard documentation for this lane. Here is what matters most:

• Twelve consecutive months of full statements, drawn from the same account, are the baseline.
• Qualifying income comes from filtered deposits, a lender expense factor on business accounts, and your ownership share.
• Rising income favors the 12-month window. Flat income makes the two windows nearly equal.
• Primary-residence purchase and rate-term loans can reach up to 90% LTV on select programs, subject to lender guidelines.
• A rental purchase often skips this question entirely, because DSCR lender review looks at the property’s rent, not your deposits.

A quick scope note. “1 year instead of 2” here means the lookback window on bank statement income. It does not mean record retention, and it does not mean one year of traditional personal-income documentation.

Key Terms Defined

Lookback period: The number of months of statements a lender averages to calculate your income.

Bank statement loan: A mortgage that is reviewed on documented income under the applicable program, subject to lender guidelines, using deposits in place of traditional personal-income documentation.

Expense factor: The percentage of business deposits a lender treats as operating costs rather than income.

Deposit filtering: The process of removing transfers, loan proceeds, refunds, and one-time sales from the deposit total.

DSCR: Debt service coverage ratio, meaning monthly rent divided by the full monthly housing obligation on an investment property.

Is a 12-Month Window a Real Option?

Yes. Twelve months is a mainstream option, not a loophole. Many programs Lendmire places files with accept either 12 or 24 months, and the better choice is whichever produces the higher qualifying income for your situation. Nothing in federal law fixes a window length. The CFPB’s Ability-to-Repay compliance guide requires lenders to verify income reliably and to confirm that account inflows are actually the borrower’s income, but it sets no lookback period. The window is a lender guideline.

That means availability varies. Some lenders in the network offer only one window, and some lean toward 24 months at larger loan amounts. Loan sizes in this lane run roughly $125,000 to $3,500,000, and the strictest overlays tend to show up near the top of that range.

How Underwriting Builds Income From 12 Months

Underwriters follow the same sequence on nearly every file. Here is the process step by step.

1. Choose the account type. Personal statements are generally credited close to face value after filtering. Business statements take an expense factor.

2. Pull every page of 12 consecutive months. No gaps, no missing pages, and the average generally must come from one account.

3. Filter the deposits. Transfers between your own accounts, loan proceeds, refunds, one-time asset sales, and unsourced cash come out. Deposits should also look consistent with your type of business. A salon with many small deposits reads naturally. A string of round, large deposits does not.

4. Apply the expense factor on business accounts. Each lender sets its own factor. Many files use a fixed ratio, and an accountant-prepared ratio can sometimes lower it. Never assume a specific percentage until a program sheet confirms it.

5. Apply your ownership share. A half owner counts half of the qualifying deposits.

6. Divide by 12. The result is monthly qualifying income, which then feeds the debt-to-income review.

A generic illustration shows the effect. Say eligible business deposits total 100 units over the window, you own 100% of the business, and the lender applies a 40% expense factor. Qualifying income is 60 units across the window. At 50% ownership it drops to 30. The math is the same for 12 or 24 months. Only the deposits inside the window change the answer.

12 Months vs 24 Months, Side by Side

The deciding variable is trend. If your last twelve months beat the twelve before them, the shorter window drops the weak months from the average. If the two years sit close together, the gap barely matters, and 24 months simply adds proof of consistency. Practitioners often treat a gap of roughly 15 to 20 percent between years as the zone where the windows are similar.

When Twelve Months Helps, and When It Backfires

Rising income. This is the strongest case. A contractor who landed larger accounts this year, or a consultant whose client base doubled, lifts the average by dropping a thin first year.

Flat income. Either window works. Choose by which program has the leverage or terms you want.

Seasonal income. Run both calculations. A landscaper or tax preparer can look strong or weak depending on where the twelve months start and end. A longer window often smooths the swing, though the shorter one occasionally wins.

Declining income. Be careful. A 12-month window that captures the dip pulls qualifying income down, and underwriters apply declining-income scrutiny to either window.

One-time spike. A single large deposit gets tested against your normal pattern. It either documents as true business revenue or comes out of the calculation. Do not count on it.

Run the numbers both ways before you commit. Reasoning it through on paper is cheaper than learning the answer after an underwriter does it for you.

What the File Needs

Statements for income are different from the two-month asset statements on a standard mortgage. Income statements are the full 12-month record. Asset statements only show reserves and funds to close. Plan to supply both.

A typical file includes:

• Twelve consecutive months of full statements, business or personal, from the same account
• Proof the business exists, such as a license, CPA letter, or similar document
• Evidence of time in the field. Even on a 12-month program, lenders commonly want to see about two years of history in the industry, which prior employment can sometimes support
• Asset statements for reserves, commonly around 6 months of the housing payment
• Explanations for any unusual deposits

The statement window and your time in business are separate things. A 12-month window does not erase the need to show you have worked in the field.

A co-borrower with traditional employment income can sometimes be combined with statement income on certain programs. Treat that as lender-specific.

How to Strengthen a 12-Month File

Clean files go further. Keep business and personal money in separate accounts. Avoid moving funds between your own accounts in large, round amounts, since each transfer has to be stripped out. Write a short explanation for any deposit that looks unusual before the underwriter asks. Keep monthly patterns consistent where you can.

Timing matters too. Applying right after a strong stretch means the most recent twelve months capture your best months. Applying right after a slow quarter does the opposite, and waiting a few months can change the result.

If a Lender Only Offers 24 Months

This happens. Your options are to ask whether another program in the network accepts 12 months, to wait until the window looks better, or to run the 24-month average and see whether it still works. Some programs price one window differently from the other, so ask about both. Honest answers depend on your deposits, credit profile, and the property, not on a single rule.

Where Occupancy Changes the Whole Picture

The type of property decides which rulebook applies. An owner-occupied file, meaning a primary residence or second home, is a consumer mortgage and carries consumer disclosure rules. On those files, up to 90% LTV is available on select programs for a primary-residence purchase or rate-term refinance. Owner-occupied cash-out tops out at up to 80% LTV with a fixed expense ratio, or 75% with an accountant-prepared ratio, depending on loan size and credit. An asset-depletion alternative, which qualifies from liquid assets, can reach about 80% LTV on a primary residence. Each figure is subject to lender guidelines and a complete review of property type, leverage, and credit.

A non-owner-occupied rental is different. Credit used to buy or maintain that kind of property is deemed business purpose under Regulation Z’s exempt-transactions rule, which also carves out a 14-day personal-use caveat. Not every rental qualifies automatically, though. As Compliance Alliance explains, owner-occupied small-unit rentals can fall outside the exemption.

For investment cash-out on bank statement documentation, leverage tops out around 75% LTV. Investment purchase leverage on bank statements varies by lender, so treat any single figure with caution. Investor-focused leverage guidance belongs on the DSCR side.

Why a Rental Purchase Often Skips the Question

For a straight rental purchase, the 12-versus-24 debate usually never starts. A DSCR loan is reviewed primarily on property-level rental income covering the payment, subject to lender guidelines. No personal deposit average is calculated, and no personal DTI is run. Select lenders in the network also offer programs below 1.00 coverage, though leverage and terms adjust when coverage is thin.

DSCR is not a free pass. Reserves and asset verification still happen. For the full picture, see Lendmire’s complete DSCR loans guide.

So when does a self-employed investor still need statement income? Three situations come up often:

• Buying an owner-occupied home or second home
• Holding a property with no usable rent history that cannot show clean coverage
• Wanting personal income to support a larger loan

Self-employed investors often show low taxable income after write-offs and depreciation, which is the whole reason statement programs exist. Lendmire’s bank statement versus DSCR comparison for investors walks through that choice.

Common Mistakes

Treating gross deposits as income. Business deposits take an expense factor, and non-income inflows come out.

Assuming 24 months is always stronger. The better window is the one that yields more qualifying income given your trend.

Calling it a no-verification loan. It verifies income through deposits instead of traditional personal-income documentation. Tax treatment varies; consult a qualified professional.

Mixing accounts. The average generally has to come from one account, and only business accounts get an expense factor.

Confusing the product with DSCR. One measures your deposits. The other measures the property’s rent.

If you are self-employed and want to see how the numbers work, Lendmire can help you compare bank statement loan options based on your deposits, the property, credit profile, leverage, and your goals.

About Lendmire

Lendmire is a non-QM mortgage brokerage (NMLS# 2371349) arranging DSCR investor loans in 41 markets, including Washington, D.C. DSCR eligibility is generally reviewed around property-level rental income rather than personal income, subject to lender and program guidelines, a fit for self-employed investors and LLC-owned portfolios. Lendmire was recognized as a Scotsman Guide Top Mortgage Workplace in 2025 and 2026.

References

1. CFPB ATR/QM Small Entity Compliance Guide

2. CFPB Regulation Z § 1026.3, Exempt Transactions

3. Compliance Alliance, Regulation Z and Investment Properties