Super Jumbo Bank Statement Loan Weighs 12 Vs 24 Months Of Deposits — The Quick Read: A 12-month window pulls your qualifying income from your most recent year only, which helps when your business is growing. A 24-month window blends two years together, which helps when income is seasonal or uneven. At the super-jumbo level, the choice also decides which program ladder your file lands on — one path tops out at $6,000,000, the other can run to $30,000,000 but only accepts 12 months of statements. Neither window is automatically “better.” The right one depends on your income shape, your business type, and how much leverage you need.
Self-employed borrowers, founders, physicians, and business owners often show traditional personal-income documentation that understate real cash flow. A bank statement loan sidesteps that problem by qualifying on actual deposits instead of adjusted gross income. The catch: the lender still has to decide how many months of deposits to look at, and that decision moves your qualifying income up or down before a single leverage number gets applied.
Key Terms Defined
Non-QM (non-qualified mortgage) — a loan that sits outside the standard federal qualified-mortgage rulebook, which lets a lender use documentation methods, like bank deposits, that a conventional loan can’t use alone.
Bank statement loan — a mortgage that calculates qualifying income from 12 or 24 months of personal or business bank deposits instead of traditional personal-income documentation or W-2s.
Expense ratio — the percentage of business-account deposits a lender subtracts before counting the rest as income, since gross business revenue isn’t the same as personal take-home pay.
LTV (loan-to-value) — the loan amount as a percentage of the property’s value; higher LTV means a smaller down payment and more leverage.
Reserves — liquid funds a borrower must have left over after closing, measured in months of housing payment coverage.
Seasoning — the waiting period some lenders require after a credit event, like a late payment or bankruptcy, before a loan can move forward.
The Side-by-Side
Both windows sit inside the same non-QM category, but they pull income from a different slice of time and, at super-jumbo size, they can route the file to a different program entirely.
Side-by-Side
| Factor | 12-Month Window | 24-Month Window |
|---|---|---|
| Review basis | Most recent 12 months of deposits | Average of 24 months of deposits |
| Best suited for | Growing or recently-improved income | Seasonal, cyclical, or uneven income |
| Documentation to gather | One year of statements | Two years of statements |
| Program access at super-jumbo size | Portfolio non-QM (to $6M) and the bank portfolio ladder (to $30M) | Portfolio non-QM only, to $6M |
| Business-account treatment | Same expense-ratio bands apply | Same expense-ratio bands apply, averaged over more months |
| Credit floor | 660 on the portfolio program, 700 above the super-jumbo line | Same floors apply |
| Reserve expectations | 3 to 9+ months by loan size, same either way | 3 to 9+ months by loan size, same either way |
The reserve row and credit-floor row don’t change based on which window you pick — those move with loan size, not documentation choice. What changes is the income number itself, and, above a certain size, which program’s leverage ladder you’re even eligible for.
When the 12-Month Window Is the Better Fit
The 12-month window wins whenever your most recent year is stronger than the year before it. If revenue is climbing — a new contract, a bigger book of business, a service line that finally scaled — a 24-month average drags a leaner earlier year into the math and drops your qualifying income. The 12-month window isolates the strong year and lets it stand on its own.
There’s a second, size-specific reason to prefer 12 months at the super-jumbo level: it’s the only window the bank portfolio ladder accepts. That program carries loans well beyond where the portfolio non-QM option stops, running 65% loan-to-value to $5,000,000, 60% to $10,000,000, and 55% up to $30,000,000, with interest-only capped at 60% LTV or the band’s own ceiling, whichever is lower. If a borrower needs a loan size above roughly $6,000,000, the 12-month statement path isn’t just preferred — for the bank ladder specifically, it’s the only way in. These specifics are subject to lender guidelines and a full review of property, leverage, and credit.
Twelve months also means less paperwork to assemble. For a borrower who just changed business structures, added a partner, or moved banks recently, a shorter statement window can be genuinely easier to document cleanly, since continuity requirements around bank switches and account changes get simpler the shorter the review period gets.
When the 24-Month Window Is the Better Fit
The 24-month window wins whenever income swings month to month or year to year. A borrower running a seasonal business — think a contractor with a slow winter, or a business with one huge quarter and three quiet ones — usually looks stronger on paper across two years than they do on any single trailing year that happens to include a slow stretch.
It’s also the safer read when last year had a one-time dip: a slow quarter from a client who paid late, a temporary staffing gap, a one-off expense spike in the business account. Averaging that dip against a full second year of normal deposits smooths it out instead of letting one weak stretch define the entire qualifying income figure.
The tradeoff at super-jumbo size: 24 months only runs through the portfolio non-QM program, which carries files to $6,000,000 rather than the bank ladder’s $30,000,000 ceiling. For most borrowers under that size, this isn’t a real constraint. Above it, the 24-month choice narrows the field.
How the Deposit Math Actually Works
Deposits don’t get counted at face value. Underwriters strip transfers, refunds, and other non-income credits before any calculation starts — that’s the step most first-time bank-statement borrowers miss, assuming “no tax returns” means “no math at all.”
Personal-account deposits are generally averaged closer to full value. Business-account deposits get an expense-ratio haircut first, because gross revenue running through a business account isn’t the same as personal take-home pay. Across the wholesale programs Lendmire places files with, that ratio typically runs lower for a service business with no employees, moderately higher for a business with a small staff, and higher still for larger staffed operations or any product-based business — figures that vary by lender and should be confirmed against the specific program’s current guidelines — or a lender may accept an accountant-provided ratio, or a profit-and-loss method capped at 80%. A borrower’s own transfers from their business into a personal account still count in full.
That expense ratio compounds the 12-vs-24 decision rather than replacing it. A service business with a light 20% expense ratio and a strong recent year often gets its best qualifying income from 12 months. A staffed, product-heavy business with a 50% ratio and choppy month-to-month revenue usually reads more favorably averaged across 24.
Statement recency is a separate checkpoint regardless of which window you pick: the most recent statement generally needs to be current relative to the note date, with the exact cutoff varying by file and lender. And bank switches during the review period require documenting the closing date on the old account and the opening date on the new one, with limited overlap allowed.
What Loan Size Does to the Decision
Super-jumbo bank statement financing through Lendmire’s wholesale network runs from roughly $300,000 up to $30,000,000, but that range lives on two different ladders, not one. The portfolio non-QM program carries loans to $6,000,000. The bank portfolio program’s own ladder overlaps starting above $4,000,000 and continues on its own past $6,000,000, up to $30,000,000, using 12-month statements exclusively.
Leverage steps down as loan size climbs, and it steps down faster than most borrowers expect. On a primary residence, purchase leverage typically runs as high as 90% in the $300,000-to-$1,000,000 range with credit around 680 or higher, then tightens through the mid-tiers — roughly 75% purchase leverage in the $3,000,000-to-$3,500,000 band with a 720-plus credit profile, and pricing and available terms vary by lender, borrower profile, property type, and full underwriting review. Above $4,000,000, every file moves to case-by-case review before it’s even submitted — leverage in that zone typically lands around 65% and requires a 680-plus credit profile, subject to full underwriting. Second homes and investment properties generally run about five points lower than the primary-residence figures at each size tier.
A 700 credit floor, along with 48-month seasoning on credit events and a 0x30x24 housing-payment history, typically applies once a loan crosses the super-jumbo line — $3,500,000 on a primary residence, $3,000,000 on a second home or investment property. Reserve requirements scale with size too: typically 3 months of reserves to $500,000, 6 months to $1,500,000, and 9 months above that, plus roughly 2 additional months per other financed property, capped near 12 months. First-time investors typically need the full 12 months regardless of loan size.
Market surveys reported by Scotsman Guide put the average non-QM loan-to-value ratio around 75% industry-wide — a broad blended figure across all non-QM products, not a Lendmire network number. Across the super-jumbo bank statement files Lendmire places, leverage tends to land lower than that blended average once loan size clears the low seven figures, simply because leverage compresses as size grows.
Common Misconceptions
“No tax returns means no underwriting.” Not true. The expense-ratio haircut on business deposits exists precisely because a lender still has to convert gross revenue into something resembling real income. The math is different, not absent.
“24 months is always the safer choice.” Not necessarily. A 24-month average can actually hurt a borrower whose income is climbing, since it pulls a weaker earlier year into the number. The “safer” window depends entirely on the shape of the income, not the length of the lookback.
“Non-QM means higher risk borrowers.” Industry data doesn’t support that framing. Scotsman Guide’s decade-retrospective on the sector reports an average non-QM borrower credit score around 776, close to the roughly 781 average seen on conventional loans — a market-wide comparison, not a Lendmire-specific figure. Non-QM exists to solve a documentation mismatch, not a credit-quality one. Terms vary by lender guidelines, property type, leverage, credit profile, and full file review.
“A bank statement loan and a DSCR loan solve the same problem.” They don’t. A bank statement loan is reviewed primarily on the borrower’s own deposits. A DSCR loan qualifies primarily on property-level rental income covering the payment, subject to lender guidelines — largely independent of the borrower’s personal cash flow. An investor who’s also self-employed can sometimes choose between the two paths on the same purchase, depending on which one the deal favors.
Where DSCR Fits Into the Same Decision
For an investor buying rental property rather than a primary or second home, the bank-statement path isn’t the only door. DSCR loans are designed for non-owner-occupied investment properties. Because they’re business-purpose investor loans, they’re reviewed differently from a standard owner-occupied mortgage, and the CFPB’s own commentary on business-purpose credit draws that line based on intent and use of proceeds, not just occupancy status.
If a self-employed borrower’s personal deposit history is thin, uneven, or newly established, but the rental property itself throws off strong income, a DSCR structure can be the cleaner path — the qualification runs on the asset, not the owner’s bank statements. Lendmire’s complete DSCR loans guide walks through how that property-level qualification actually works, separately from anything in a bank-statement file.
Frequently Asked Questions
Can a lender run both a 12-month and a 24-month calculation and use whichever is higher? Some lenders in Lendmire’s wholesale network will calculate both when the borrower’s file supports it, then use the stronger result. This isn’t automatic on every program, and it’s less available once a file needs the bank portfolio ladder above $6,000,000, since that program is built around 12-month statements only.
Does a shorter statement window mean a smaller loan? Not necessarily. A 12-month window often produces a higher qualifying income figure for a borrower whose business is growing, which can support a larger loan than a 24-month average would. The window that produces the better number depends on the borrower’s income trend, not the length of the window itself.
What happens if my personal and business funds are mixed in one account? Commingled accounts need more documentation but aren’t automatically disqualifying. Underwriters typically want a letter explaining how the account is used, along with supporting paperwork like a business license or CPA letter, before deposits can be sorted into income versus non-income.
Do reserve requirements change based on which window I choose? No. Reserves scale with loan size, not with the 12-vs-24 decision. A $2,000,000 loan carries the same reserve expectation whether the qualifying income came from 12 months or 24. Exact terms depend on the lender’s guidelines, property type, leverage, and a full review of the borrower’s file.
Is there a minimum credit score for the super-jumbo tier specifically? Typically 700 once a loan crosses into super-jumbo overlay territory — $3,500,000 on a primary residence, $3,000,000 on a second home or investment property — versus a 660 floor on the portfolio program below that line, subject to full underwriting and program eligibility.
If you’re weighing a bank statement structure against a DSCR structure for an investment purchase, or trying to figure out which statement window fits your income pattern, Lendmire can help compare options based on the property, the income documentation available, credit profile, and leverage needs. Reach Lendmire at 828-256-2183 or request a quote to walk through the numbers on a specific file.
For current guidelines and terms, see Lendmire’s super jumbo bank statement loan programs page.
About Lendmire
Lendmire is a non-QM mortgage brokerage (NMLS# 2371349) arranging DSCR investor loans in 40 markets, including Washington, D.C., through wholesale and investor-lending channels. DSCR loans are evaluated by the lender on rental income rather than personal income, subject to lender guidelines — a fit for LLC-owned portfolios, self-employed investors, and operators scaling beyond conventional loan caps. Recognized as a Scotsman Guide Top Mortgage Workplace in 2025 and 2026.
Lendmire’s Top Mortgage Workplace recognition is documented by Scotsman Guide 2025 Top Mortgage Workplace and Scotsman Guide 2026 Top Mortgage Workplace.
Get Started
Ready to find the right loan for you?
In about 30 seconds you can review financing options available for your home or investment property. No commitment required.
Informational only. Not a Loan Estimate, approval, or commitment to lend. Program availability and eligibility are subject to lender guidelines, credit approval, property review, and underwriting.
References
1. Doss Law, PC — Business Purpose Exemption Simplified
2. Scotsman Guide — Which Groups Are Driving Non-QM Lending
3. CFPB — Regulation Z, Comment for 1026.3
Brandon Miller
Founder & CEO, Mortgage Loan Originator, Lendmire LLC
- Mortgage Loan Originator · NMLS# 1129696 · Verify on NMLS Consumer Access
- North Carolina Real Estate Broker · License# 343312 · Verify on NCREC
- North Carolina Insurance Producer · License# 19053198 · Property, Casualty, Life, Health · Verify on NAIC SBS
- Lendmire LLC · Firm NMLS# 2371349 · Verify firm licensure
Disclosures. The information presented in this article is general market commentary, not financial, legal, or tax advice. Lendmire is a mortgage brokerage (NMLS# 2371349) — not a direct lender or depository institution — and loan placement is subject to lender underwriting. Nothing in this content represents a commitment to lend. Loan terms, pricing, and program availability vary based on borrower qualifications, property characteristics, and state of subject property, and are subject to change at any time. Lendmire complies with Equal Housing Opportunity requirements. Consumer access: nmlsconsumeraccess.org.
