Bank Statement Loan Evidence for One Down Year vs. a Longer Decline

The Quick Read: A single down year with visible recovery usually reads as a dip the underwriter can explain, while a multi-year decline reads as a falling trend that no deposit window can average away, so the first often stays on the bank statement path and the second often pushes the file toward property-based qualification. Both are judged on deposits and direction, not just on a total. The difference is what the most recent months show.

• Across the wholesale network Lendmire places files with, the standard documentation is 12 months of business or personal bank statements, and income comes from deposit averaging with lender-specific expense factors.
• A dip followed by recovery can be explained with documents. A slope that keeps falling is hard to explain.
• Switching between a 12-month and a 24-month window can soften one weak stretch, but it cannot hide a steady slide.
• On a rental, the fallback is a loan that qualifies primarily on property-level rental income covering the payment, subject to lender guidelines.

Here is the honest answer on who each path fits. If your deposits dipped for an identifiable reason and the recent months are back up, a bank statement loan is a reasonable tool, and the evidence you bring matters more than the dip. If your deposits have fallen for a year or more with no turn, the file asks the underwriter to bet on income that is not there yet. In that case the better move is usually a different lane, a smaller ask, or waiting.

Side-by-Side

The table below shows how a typical file reads under each pattern. Program figures come from the select lenders in Lendmire’s wholesale network, and every file is underwritten individually.

Entity vesting, meaning how the property is titled, is handled on a program-by-program basis, and LLC titling is subject to lender program eligibility.

Key Terms Defined

Deposit averaging: The underwriter totals eligible deposits over the statement period and divides by the number of months to get a monthly income figure.

Expense factor: A percentage the lender subtracts from business-account deposits to account for the cost of running the business. It varies by lender, and an accountant-prepared figure can replace a flat one in some programs.

Trend review: The underwriter’s check on whether recent months are higher, flat, or lower than earlier months, regardless of the average.

How a Bank Statement File Reads a Dip

An underwriter reads four things in a dip: how deep it went, how long it lasted, which way the latest months are pointing, and whether the cause is gone. Depth and duration tell the story of the past. Direction and cause tell the story of what comes next.

Trade press describes the method as analyzing 12 to 24 months of personal or business statements to support the borrower’s ability to repay. The same piece notes that non-QM underwriting is mostly manual. That means a person reads the trend and the letter. The file is not scored by formula alone.

Screening matters as much as the window. The underwriter lists every credit and strips out transfers between your own accounts and loan proceeds. Large unusual deposits must be sourced or they come out. In practice, deposit screening can move qualifying income more than the choice of 12 versus 24 months.

Account type also changes the math. Personal statements count eligible deposits with no expense factor. Business statements count deposits after a factor is applied. A decline in a business account therefore hits harder than the same decline in a personal account, because the factor is taken from a smaller number.

One more point: deposits drive the review, not the net income on a tax return. Write-offs that made your taxable income look low may not matter. A real drop in deposits still gets flagged.

When the One-Down-Year Path Is the Better Fit

A bank statement loan fits best when the dip is a single, explainable event and the latest months show recovery. The leverage on the table is also strongest in these files. Across the network, owner-occupied primary residence purchases and rate-term refinances typically reach up to 90% LTV through select lenders, with the top of that range going to stronger files. Owner-occupied cash-out on a primary residence or second home typically tops out at 80% LTV with a fixed expense ratio, or 75% with an accountant-prepared ratio, by loan size and credit. Loan amounts generally run from $125,000 to $3,500,000. Qualification is on documented income under the applicable program, subject to lender guidelines.

Which window helps depends on which year was weak. Consider three hypothetical borrowers. The figures are illustrative patterns, not program terms.

The older dip. Say a contractor lost a major client early in the period, replaced the work, and deposits have run steady since. A 12-month window drops the weak months entirely. That is the cleanest story. The recovery is the whole file.

The recent dip. Picture a consultant whose prior year was strong and whose latest year was soft. A 12-month window shows the soft year in full. A 24-month window blends in the stronger year and may lift the average. The catch is that underwriters often weigh recent months heavily, so the blend only works if the last few months are turning up.

The write-off dip. Run the numbers on a restaurant owner whose tax return looks thin after heavy deductions, while deposits stayed healthy. Here the bank statement path does what it was built for. The deposits tell the true story, and the return does not control the result.

Practitioners describe the 24-month window as smoothing seasonal swings and dips. That is useful when the weak stretch is short and the best months are more than a year old. It is not a way to hide a pattern.

What strengthens a one-year dip is evidence that the cause is gone:

• Recent deposit months that return to the earlier level.
• A signed contract, a replaced client, or a new revenue line.
• A seasonal pattern that shows up in earlier periods too.
• A profit-and-loss statement or an accountant’s letter that matches the deposits.
• A short explanation letter covering the cause, why it was temporary, and proof of recovery.

Lenders differ on how much of this they want. The strictest overlays ask for the most, and a few in the network are lighter. Strong credit and reserves help a borderline file, because the underwriter is weighing the whole picture and not one number.

Reserves are commonly around 6 months of the housing payment. Plan for them before you apply, since a dip in income makes a thin cushion look worse.

If you want to see how a related situation plays out at higher loan sizes, Lendmire’s piece on whether a single weak year hurts a super jumbo bank statement loan covers that ground in the one-down-year super jumbo article.

When the Property-Based Route Is the Better Fit for a Longer Decline

A longer decline changes the question. Both windows show the slope, and trend review applies either way. An underwriter looking at falling deposits has to ask whether income is reasonably expected to continue, and a sustained drop makes that answer harder to give. Averaging cannot fix it. A 12-month average will land below a 24-month average, and a 24-month average will sit above where income is today, which can raise questions of its own.

In a longer decline, qualifying income shrinks, so the loan size you can support shrinks with it. Heavier documentation follows: a P&L, contracts, a business narrative, or a tax professional’s letter. Even then, the file may not get to the loan amount you wanted.

That is when other lanes make sense, and the right one depends on what you are buying.

A rental property. A DSCR loan is reviewed primarily on property-level rental income covering the payment, subject to lender guidelines. Your personal deposits are not the test. An investor with falling business income can still buy or refinance a rental on its own numbers. For investment-property cash-out, leverage tops out around 75% LTV. Investment purchase leverage on bank statement documentation varies by lender, and investor-focused leverage guidance belongs on the DSCR side. The complete DSCR loans guide walks through how that coverage test works.

A primary residence. A DSCR loan does not fit an owner-occupied home. An asset-depletion alternative, which qualifies from liquid assets instead of earned income, can reach up to 80% LTV on a primary residence. The federal framework itself lets a lender consider income or assets, so asset-based qualification is a recognized path and a way around declining earned income. Terms vary by lender guidelines, property type, leverage, credit profile, and full file review.

Waiting. Sometimes the honest answer is to hold off. If deposits have started to turn, a few more months of recovery can change the read from decline to dip. Applying one quarter too early costs you a stronger file.

For a seller whose income comes from online platforms, Lendmire’s article on whether a down year ends a bank statement loan for that kind of earner is at one down year and a platform seller’s bank statement loan.

Which Rules Apply to the Property

Occupancy decides how the loan is treated. A bank statement loan on an owner-occupied home, whether a primary residence or second home, is a consumer mortgage, and TRID disclosures apply. A bank statement loan on a non-owner-occupied rental, including a short-term rental, is business-purpose and exempt from TRID. Keep the two separate in your planning, because they carry different paperwork.

The ability-to-repay rule covers consumer credit secured by a dwelling. It requires a good-faith finding that you can repay, using reliable records. It does not set a 12-month or 24-month window, and it does not define how much of a decline is too much. Those choices belong to each lender’s program. Underwriting of deposits is careful on either type of file.

Pricing questions go to the calculator, which gives an illustrative estimate only. Payment and rate figures do not belong in a comparison like this one.

Mistakes That Turn a Dip Into a Decline on Paper

Some files look worse than the business really is. Most of the damage comes from the file, not the income.

• Commingled accounts. Personal spending and business deposits in one account make it hard to tell what is revenue. Separate accounts read cleaner.
• Unsourced large deposits. A single big deposit with no paper trail is excluded or triggers a request. If it was real revenue, document it.
• Incomplete statements. Missing pages or months stall the file and raise doubts.
• Pass-through deposits. Money that passes through to crews or vendors may need a higher expense factor or may be excluded.
• A prior-year spike. A one-time windfall in an earlier period makes the current year look weak by comparison. Flag it in your letter so the underwriter averages around it.

Tax treatment can depend on how the funds are used and how the property is held; investors should keep clear records and speak with a qualified tax professional before relying on any deduction.

The Balanced Verdict

Choose the bank statement path when the dip has a clear cause, the cause is behind you, and the recent months prove it. Expect to document the story, and expect a human to read it. The leverage available on an owner-occupied file can be strong when the evidence is clean.

Choose a different lane when deposits keep falling and you cannot point to a turn. On a rental, the property’s income carries the file. On a home, asset-based qualification or a few more months of recovery may serve you better. Neither path is the right one for everyone. The deposits decide, and the trend in them speaks louder than the average.

Lendmire is a broker that arranges these loans through select lenders in its wholesale network, and its consumer mortgage licensing covers 16 states. Nothing here is a commitment to lend.

About Lendmire

Lendmire — NMLS# 2371349 — is a mortgage brokerage specializing in DSCR investor loans, helping arrange financing across 41 markets, including Washington, D.C., through wholesale and investor-lending channels. The model centers on property-level rental income reviewed by the lender rather than W-2 documentation, subject to lender guidelines, suiting entity-owned and multi-property investors. Lendmire holds Scotsman Guide Top Mortgage Workplace recognition for 2025 and 2026.

References

1. Scotsman Guide, on non-QM underwriting

2. Docsumo, on bank statement income verification

3. CFPB Regulation Z, ability-to-repay provision

4. Cornell Legal Information Institute, 12 CFR 1026.43