How A Bank Statement Lender Weighs The Reason Behind One Declining Year — The Quick Read: A one-year dip in deposits rarely kills a file outright. Underwriters treat it as a flag, not a verdict — they want to know why deposits fell, whether the cause was temporary, and whether documentation backs up the story. A credible, paper-trailed explanation (a lost contract replaced by a new one, a seasonal slowdown, a one-time expense) usually survives review. An unexplained drop with no supporting paperwork usually gets a more conservative income figure, or an ineligible finding.
If you’re self-employed and one recent year looks weaker than the last, this is the question that decides your loan amount: not “did income drop,” but “can you prove why.”
What Actually Happens When Deposits Decline
A declining year triggers deeper review, not automatic denial. Underwriters compare month-over-month totals across your statement window, looking for a pattern — is this seasonal, a one-time event, or a real slide in the business?
Bank statement programs typically pull 12 or 24 months of statements and average deposits into a monthly income figure after applying an expense ratio. A 24-month window gives more room to separate a rough quarter from a real trend. Across the wholesale programs Lendmire places files with, the reviewer isn’t just running a calculator — they’re deciding which number to trust.
Once a decline shows up, the file usually goes one of four ways. It gets approved as-is if the explanation and documents hold up. It gets a request for more paperwork. It gets recalculated using a lower, more conservative average. Or it gets flagged ineligible under that lender’s current guidelines. Same deposit history, four possible outcomes. The difference almost always comes down to the strength of the explanation and the paperwork behind it.
Why the Reason Matters More Than the Number
The dollar amount of the decline matters less than what caused it. A lender reading a bank statement file is really asking one question: is this business permanently weaker, or did something identifiable and temporary happen?
Declines that come with a clear, documentable cause tend to get treated far more gently than declines with no explanation at all. A lost client replaced by a new contract, a slow season in an inherently seasonal business, a health event, an equipment purchase that ate into deposits for a stretch — these all have paper trails. A CPA letter, a signed contract, an invoice, or updated business records can turn a scary-looking chart into a manageable underwriting note.
An unexplained decline reads differently. With nothing to point to, the lender has no way to know whether the business is recovering or sliding further, so the conservative move is to either shrink the qualifying income or decline the file under the current matrix.
Seasonality vs. Decline — They Look Identical on Paper
A business with a strong fourth quarter and a weak first half can produce a chart that looks exactly like a business in real trouble — even though nothing changed. The raw deposit numbers alone cannot tell that story; only the borrower’s context can.
This is where documentation earns its keep. A landscaping company, a tax-prep practice, a wedding photographer — these businesses have predictable, cyclical income patterns. Multiple years of statements showing the same seasonal shape year after year is the strongest proof available. A single year of statements showing a dip with no history behind it is much harder to defend, because the underwriter has no baseline to compare it to.
What Underwriters Actually Ask For
Expect a request for an explanation plus paperwork that backs it up — not just a narrative. A letter alone rarely resolves a decline; it needs matching evidence.
Depending on the stated cause, that evidence might include a signed new contract showing replacement revenue, an accountant’s letter that addresses the dip directly, invoices or vendor confirmations tied to a one-time expense, or prior years of statements showing a seasonal pattern. On the personal-account side, the math is simpler. Lenders generally treat deposits there as take-home income without applying an expense ratio. But if a personal account is clearly mixed with business activity, that assumption can come back into question.
Business account deposits are never counted dollar-for-dollar. Across the wholesale network, an expense ratio gets applied first to account for the cost of running the business, and only what’s left counts as qualifying income. A service business with no employees typically sees a lighter expense ratio applied than a product-based business with a full staff — the logic being that overhead eats a bigger share of deposits in the second case. An accountant-provided ratio, or a profit-and-loss based calculation, can sometimes replace the fixed ratio if it better reflects the real business.
Multiple Accounts and Cash-Flow Red Flags
If a business routes money through more than one account, an underwriter has to reconstruct the full income picture across all of them — reading one account in isolation can make a healthy business look like it’s declining when it’s not.
Frequent overdrafts, negative balances, or returned payments make the problem worse. A decline paired with clean account history reads very differently than a decline paired with overdraft fees and bounced payments. The second combination raises real questions about whether the business can handle a mortgage payment at all, on top of the income question itself.
Large, one-time deposits also get scrutinized differently than recurring ones. If last year’s higher number was partly inflated by an unusual lump-sum deposit — a settlement, an asset sale, a one-time client payout — that deposit needs its own sourcing before anyone can say the current year is really a decline rather than a return to normal.
The Fair-Lending Backdrop
This whole process is judgment-based: an underwriter decides whether a story is credible. That’s exactly why the regulatory framework around it matters. Non-QM loans, including bank statement programs, still fall under the Ability-to-Repay/Qualified Mortgage Rule. This rule requires a lender to make a reasonable, good-faith determination that a borrower can repay the loan. That obligation doesn’t disappear just because the loan skips traditional personal-income documents.
The broader regulatory history explains why this flexible, judgment-driven underwriting exists at all. Regulators revised the general ATR/QM framework over time and added a separate seasoned-QM path, according to Holland & Knight’s analysis of the CFPB’s rulemaking. This is part of what allows cash-flow-based, non-traditional personal-income review to exist as a legitimate option in the first place.
Bank Statement Loans vs. Tax Returns — Why This Matters for Investors
Bank statement loans exist because traditional personal-income documentation often understate real cash flow. A conventional loan runs your income through Schedule C, averages two years of net income, and uses the lower figure — write-offs and all. A bank statement program skips that path entirely and is reviewed against actual deposits instead.
That’s exactly why the “declining year” question carries so much weight here. If your file runs on deposits instead of taxable income, a real or apparent dip in deposits is the single biggest variable in your coverage figure — and by extension, your loan amount and property options.
Sizing and Leverage — What the Numbers Actually Look Like
Across the wholesale programs Lendmire’s team places bank statement files with, loan sizes run from $300,000 up to $30,000,000 through two separate paths. A portfolio non-QM bank-statement program carries files to $6,000,000, and a bank portfolio program built specifically around 12-month statements carries files further, to $30,000,000, on its own leverage ladder — roughly 65% at the lower end of that range, stepping down to 60% and then 55% as loan size climbs toward the top, with interest-only capped at 60% or the applicable band’s ceiling, whichever is lower.
On a primary residence, leverage typically starts around 90% on loans up to $1,000,000 and steps down as the loan size grows — roughly 85% around $2,000,000, 80% around $3,000,000, and 75% at the top credit tier up to $4,000,000. Above that, every file moves to case-by-case review before it’s even submitted. Second homes and investment properties typically run about five points lower in leverage at every size tier than a primary residence does.
None of this changes the core rule from earlier: a declining year still gets read for cause before any of these numbers get applied. A strong leverage tier doesn’t erase a documentation problem — it just means there’s more file to protect if the decline story doesn’t hold up.
Credit requirements typically start around a 660 floor on the portfolio program, stepping up to 700 above the super-jumbo size threshold. Debt-to-income can run as high as 50% on many files, and reserve requirements typically scale with loan size — commonly three months of housing payment on smaller files, moving up to nine months or more as the loan amount grows. Cash-out is typically capped around $1,500,000 above 60% LTV on the portfolio program specifically.
When a Declining Year Points to DSCR Instead
If a bank statement file’s declining year can’t be fully explained or documented, that doesn’t necessarily end the deal — it might just mean the wrong loan type was chosen. A rental property purchase or refinance can often qualify on the property’s own rental income instead of the borrower’s deposit history.
This is the core difference between bank statement lending and a DSCR loan. One replaces traditional personal-income documents with deposit history. The other replaces the personal income question altogether. A DSCR loan is reviewed mainly on whether the property’s rental income covers the payment, subject to lender guidelines. The borrower’s declining-year story simply isn’t part of the equation. DSCR loans are built for non-owner-occupied investment properties. Because they’re business-purpose investor loans, lenders review them differently than a standard owner-occupied mortgage.
Some investors have a bank statement file with a dip in income that’s hard to explain. For these investors, switching the same rental purchase to a DSCR structure can avoid the declining-year problem entirely. The underwriting question becomes “does the rent cover the payment,” not “why did your deposits drop.” If you’re not sure which path fits your file, Lendmire’s team can walk you through qualifying with just one year of bank statements. They can also explain how a single declining year of deposits can affect a cash-out refinance.
Key Terms Defined
Expense ratio — a percentage subtracted from business account deposits before the remainder counts as qualifying income, meant to account for the cost of running the business.
Letter of explanation — a signed statement from the borrower addressing a specific underwriting question, such as why deposits dropped in a given year, submitted alongside supporting documents.
Ability-to-Repay/Qualified Mortgage Rule — a federal requirement that every mortgage lender make a reasonable, good-faith determination that a borrower can actually afford the loan before approving it.
DSCR loan — a loan that qualifies primarily on whether a rental property’s income covers its monthly payment, rather than on the borrower’s personal income.
Case-by-case review — a manual underwriting process, used above certain loan sizes, where every file is evaluated individually rather than against a fixed leverage table.
Frequently Asked Questions
Does one bad year automatically disqualify a bank statement loan? No. A decline flags the file for deeper review, but it doesn’t automatically sink it. Reviewers look for a documented reason — a lost contract, a seasonal pattern, a one-time expense — before deciding whether to approve as-is, request more documents, apply a more conservative average, or decline under the lender’s current matrix.
What documents actually help explain a decline? A signed new contract showing replacement revenue, a CPA or accountant letter addressing the dip, invoices tied to a one-time cause, or several years of statements proving a recurring seasonal pattern. A written explanation with nothing behind it rarely moves the needle on its own.
Is a personal account decline treated differently than a business account decline? Personal account deposits are generally assumed to be take-home income with no expense ratio applied, so a decline there is read more directly. Business account deposits get an expense ratio applied first, and commingled personal accounts with business activity can complicate that assumption either way.
Can a declining bank statement year still work on a DSCR loan? Often, yes — a DSCR loan is reviewed primarily on the subject property’s rental income covering the payment, subject to lender guidelines, so a borrower’s declining-year deposit history isn’t part of that underwriting question at all.
Does a 24-month statement window help more than 12 months if income declined? Generally, yes, because it gives an underwriter more history to distinguish a genuine trend from a single rough patch or seasonal dip. A 12-month file with a mid-year decline has far less context to work with than a 24-month file showing the same pattern repeating across multiple years.
If a declining year is complicating your bank statement file — or you’re weighing whether a DSCR loan on the property itself would sidestep the issue — Lendmire’s team can walk through the qualification paths available across its wholesale lending network. Reach out at 828-256-2183 or request a mortgage quote to see how the numbers line up for your file.
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.
For current guidelines and terms, see Lendmire’s super jumbo bank statement loan programs page.
Self-employed borrowers can compare both super jumbo programs on Lendmire’s self-employed mortgages page.
About Lendmire
Lendmire (NMLS# 2371349), a non-QM mortgage broker serving investors in 40 markets including Washington, D.C., helps structure DSCR scenarios commonly evaluated around a property’s rental income rather than personal income paperwork, subject to lender guidelines. A Scotsman Guide Top Mortgage Workplace in 2025 and 2026, Lendmire places loans through wholesale investor lenders and is not a direct lender.
Lendmire’s Top Mortgage Workplace recognition is documented by Scotsman Guide 2025 Top Mortgage Workplace and Scotsman Guide 2026 Top Mortgage Workplace.
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References
1. Consumer Financial Protection Bureau – Ability-to-Repay/Qualified Mortgage Rule
2. Holland & Knight – CFPB Amends Its Ability-to-Repay/Qualified Mortgage Rule
3. IRS – About Schedule C (Form 1040)
Brandon Miller
Founder & CEO, Mortgage Loan Originator, Lendmire LLC
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Disclosure information. Lendmire is a state-licensed mortgage brokerage under NMLS# 2371349. Lendmire is not a depository institution, direct lender, or financial advisor — all loans referenced are placed through wholesale lender partners and are subject to each lender's underwriting standards. This article is provided for general informational purposes and is not a commitment to lend, nor does it constitute financial, legal, or tax advice. Loan programs, terms, rates, and qualification standards change without notice and depend on borrower profile, property type, and the state in which the subject property is located. Equal Housing Opportunity provider. NMLS Consumer Access: nmlsconsumeraccess.org.
