Short-Term Rental 24-Month Bank Statement Loan Guide

Short-Term Rental 24-Month Bank Statement Loan Complete Guide — The Quick Read: A 24-month bank statement loan looks at a borrower’s own money instead of tax returns or pay stubs. It uses two full years of personal or business bank deposits. This matters for short-term rental owners because STR income swings a lot by season. The longer window smooths that swing into one average monthly figure. But it also dilutes a strong recent year by mixing it with an older, weaker one. This is still a consumer-purpose mortgage. The lender underwrites the borrower, not the property. That puts it in a different lane than a DSCR loan, which looks at the rental’s own cash flow.

Key Terms Defined

Bank statement loan — a mortgage that qualifies you using 12 or 24 months of bank deposits. It skips traditional income documents like pay stubs or tax returns.

Deposit averaging — the math underwriting uses. Add up all eligible deposits over the look-back window. Divide by the number of months. That gives a monthly income figure.

Expense factor — a percentage subtracted from gross business deposits. It estimates how much of that money actually becomes usable income. The percentage depends on the business type, staffing, contractor use, and how the operation runs.

DSCR loan — a different loan type. It qualifies the property instead of the borrower. The question is simple: does the rental income cover the mortgage payment?

Look-back window — the number of months of statements a lender pulls, either 12 or 24, before running the average.

Platform statement — payout history from Airbnb, VRBO, or a property-management system. It shows evidence of a short-term rental’s past income.

What Counts as a 24-Month Bank Statement Loan for a Short-Term Rental?

It’s a personal or business bank statement mortgage. Qualifying income comes from averaging 24 months of deposits instead of 12. It applies to a purchase or refinance where the property in question — or a property the borrower co-owns — operates as a short-term rental. This is a consumer-purpose loan. The borrower’s income drives the decision, not the property’s rental performance. The file follows standard mortgage disclosure rules.

That distinction matters right away. A bank statement loan looks at the person. A DSCR loan looks at the property. Say an investor owns an Airbnb but earns a salary or self-employment income somewhere else entirely. That investor can use a bank statement loan to buy or refinance the Airbnb. The STR’s own rental income stays outside the calculation, unless the lender specifically adds it in. Lendmire’s short-term rental bank statement loan guide covers the 12-month version of this same product in more detail. The mechanics carry over here too — only the averaging window changes.

Most programs default to a 12-month look-back. A smaller group of lenders in the wholesale network Lendmire places files with will run a 24-month window instead. This works for borrowers who want two seasonal cycles smoothed into one average, rather than betting the whole file on whichever twelve months got pulled. This lane covers primary-residence purchases and rate-term refinances. Leverage typically runs up to 80% loan-to-value on most files. An asset-depletion option runs at a similar ceiling for borrowers who’d rather qualify off liquid reserves than deposits. On the investment side, cash-out refinances using this documentation type typically top out around 75% LTV. Purchase leverage on an investment property using bank statement documentation varies a lot by lender. There’s no single number to quote here — that’s exactly why a scenario-level review matters more than a rate sheet. Consumer bank statement lending through Lendmire currently covers 16 states. That’s a different footprint from the 40-market DSCR platform discussed later.

12 Months vs. 24 Months: Which Window Actually Helps an STR Owner?

Picking a window is a strategic decision, not just paperwork. The calculation is a straight average. So one strong or weak stretch of months swings the final number. How much it swings depends entirely on how many total months that stretch gets diluted into.

A property in a beach or ski market with heavy summer or winter bookings is the clearest case for the 24-month window. It keeps one bad off-season from tanking the whole income number. A property with fairly even bookings all year often does better on 12 months. There’s less seasonal noise to smooth out, and no reason to average in an older year that might understate how the property performs now.

How Underwriting Turns Deposits Into Qualifying Income

The mechanics stay the same whether the window is 12 or 24 months. Only the number of statements pulled changes. Underwriting works through five steps on every file.

1. Statement collection and window selection. The borrower submits consecutive months of personal or business statements. They must cover the chosen window with no gaps.

2. Deposit categorization. The underwriter separates real income deposits from other money coming in. Transfers between the borrower’s own accounts, loan proceeds, and one-time inflows don’t count toward the average.

3. Expense factor application (business accounts only). For business deposits, the underwriter subtracts a percentage to estimate real usable income. That percentage depends on the type of business, staffing, contractor use, and how the operation runs. It’s scenario-specific. A solo-operator business and a business with several employees and heavy overhead don’t get treated the same way. There’s no single percentage that applies across every file.

4. Large-deposit sourcing. Any deposit that stands out from the borrower’s normal pattern usually needs a documented source. An unsourced spike doesn’t just get waved through into the average.

5. Reserve and asset verification. On top of the income math, most files carry a reserve requirement. That’s usually around six months of the housing payment. Lenders verify it through asset statements separate from the income-qualifying accounts.

This is still a consumer-purpose mortgage. So the file still has to meet a good-faith ability-to-repay standard, even though the documentation path is alternative instead of traditional personal-income review. That’s a different regulatory setup than a business-purpose DSCR loan, which is typically structured outside that consumer disclosure framework entirely. This distinction is worth understanding before comparing the two products side by side later in this guide.

Documentation Checklist for an STR Bank Statement File

A clean submission generally includes:

• 12 or 24 consecutive months of personal or business bank statements, no gaps
• A letter or documentation explaining any large or unusual deposits
• Business formation documents if income runs through a business account
• Asset/reserve statements separate from the qualifying deposit accounts
• Credit documentation and a standard mortgage application package
• If the STR itself is being purchased or refinanced: entity documents where the property titles into an LLC, subject to program eligibility

Investors financing a condo-based STR should also check Lendmire’s condo 24-month bank statement loan guide. Condo warrantability and HOA short-term-rental rules add a layer that a single-family file doesn’t have.

Where Short-Term Rental Income Complicates the File

The general bank statement rule holds up fine — until the STR angle adds a handful of specific complications. These don’t show up on a standard purchase.

The appraisal form wasn’t built for nightly income. When a lender defaults to a market-rent appraisal instead of platform history, it typically pulls Form 1007 for a single unit or Form 1025 for 2-4 units. Fannie Mae’s own appraiser guidance states plainly that Form 1007 “was not designed for appraising single-family properties that are used as STRs.” The form calls for a monthly-lease comparable analysis, not a nightly-rate conversion. An appraiser can’t just take a nightly rate, multiply by 30, and call it a monthly rent figure. The form’s own methodology doesn’t support that math. This is one reason STR-focused financing leans on trailing platform statements or STR-specific market data instead of a standard rent schedule.

Market-data tools carry real accuracy caveats. AirDNA’s own help documentation explains how its address-level Rentalizer tool works. It pulls comparable listings within a set radius and adjusts for property size, amenities, and seasonal patterns to produce an estimate. That’s a market-based figure, not a guaranteed number. Its methodology notes that AirDNA’s revenue calculation multiplies booked days by average daily rate. It also notes that not every STR property has year-round availability, which affects the occupancy assumption baked into any projection. In a dense market with hundreds of comparable listings, that estimate tends to hold up well. In a thin market with few true comps, the same tool has much less to work with. That’s exactly why lenders that accept market-data projections tend to apply their own discount instead of taking the number at face value.

Bank statement and DSCR files aren’t performing the same way in the secondary market. Scotsman Guide’s coverage of dv01 securitization data reported that DSCR investor loan impairment has held roughly steady around 6% since the start of a recent year. Impairment in the self-employed/bank statement segment kept climbing over the same stretch. For an STR owner, that gap is a practical reason some lenders run tighter overlays on income-documentation files than on property-cash-flow files, even within the same non-QM shelf. It isn’t arbitrary caution. It’s a performance pattern showing up in the data lenders are watching.

HOA and zoning restrictions sit outside the loan file but can sink the deal anyway. A condo or planned community that bans nightly rentals doesn’t care how clean the borrower’s bank statements look. The property simply can’t legally operate as an STR. Short-term rental rules vary by city, county, HOA, and property type. Investors should confirm local rules before relying on projected rental income from any property they’re considering.

Bank Statement Loan vs. DSCR Loan for a Short-Term Rental

Both products skip a full-documentation, tax-return-based underwrite. But they answer different questions.

C., wholesale network |

A DSCR loan is reviewed mainly on property-level rental income covering the payment, subject to lender guidelines. No personal income documentation gets pulled into the decision. That’s the whole appeal for an investor who owns several STRs and doesn’t want each one judged against a personal debt-to-income ratio. Lendmire’s complete DSCR loans guide covers how that qualification runs in full. For an investor already holding equity in a performing STR, a DSCR refinance built for short-term rental investors is often the more natural next step than restructuring the file around personal deposits again.

The two products aren’t mutually exclusive across a portfolio, either. A self-employed operator with strong personal deposits and one or two STRs might use a bank statement loan on the primary residence and DSCR financing on the rentals. That way, each property’s file plays to its own strength instead of forcing every deal through the same lane.

Common Misconceptions About Bank Statement Financing for STRs

“Non-QM means no verification.” Not true. Non-QM loans still have to meet an ability-to-repay standard. The documentation method is different, not absent. Scotsman Guide’s borrower-profile data found the average non-QM borrower carried a 776 FICO score. That’s essentially on par with conventional borrowers, which undercuts the idea that alternative documentation means weaker credit. Every figure here varies by lender and program — guidelines, property type, leverage, and credit profile all matter.

“AirDNA’s number is the loan’s qualifying income.” A market-data tool produces a research estimate based on nearby comparable listings. It isn’t a lender’s final qualifying figure. Lenders that accept this kind of data add their own adjustments and documentation on top before it becomes part of a file.

“12 and 24 months produce the same income number.” They don’t, structurally. The calculation is a straight average of total deposits over the number of months in the window. So a strong or weak stretch of months moves the result differently, depending on how many total months it gets spread across.

“A rent-schedule appraisal proves what an Airbnb earns.” Form 1007 was built to compare monthly-lease comparables, not nightly booking performance. That’s exactly why Fannie Mae’s own guidance flags the mismatch. It’s also why STR-specific underwriting tends to rely on platform history or market-data tools instead.

“STR income always qualifies the same way for tax and lending purposes.” The IRS’s own guidance on Schedule E separates passive rental reporting from active business reporting, depending on the services provided. Whether an STR lands on Schedule E or Schedule C can shift which documentation path — bank statement, DSCR, or a blend — actually fits a borrower’s real tax and cash-flow picture. That’s a genuine strategy fork, not a technicality.

What This Means for an Investor Weighing the Two Paths

For contrast, conventional and agency-style underwriting treats projected rental income far more conservatively than either non-QM path. One industry comparison notes that agency guidelines typically use 50% to 75% of projected rental income, with an additional 25% to 50% discount specifically for short-term rentals. That gap is the whole reason STR investors lean toward bank statement and DSCR products in the first place. Both give real weight to income that agency underwriting would otherwise cut down to almost nothing.

The practical decision usually comes down to what the borrower can document best. An investor with clean, consistent personal or business deposits — a W-2-adjacent income stream that just doesn’t fit a W-2 — is often better served by the bank statement route. It qualifies the thing that’s genuinely strong. An investor whose personal income is thin, irregular, or nonexistent on paper, but who owns a property with real trailing rental performance, usually finds the DSCR path a cleaner fit. It never asks the personal-income question at all. Loan sizes on the bank statement side generally run from around $125,000 up to $3,500,000. Reserves commonly land near six months of the housing payment. These figures apply across program types, not just STR files. Every case still gets sized individually against credit, leverage, and property.

Tax treatment can depend on how the funds are used and how the property is held. Investors should keep clear records and talk with a qualified tax professional before relying on any deduction. Beyond that one point, this is a financing question, not a tax question. The documentation choice is the lever that actually moves the file forward.

Say a self-employed borrower is weighing two options: does the deposit history alone tell the strongest story, or would the property’s own rental performance carry more weight with underwriting? That’s exactly the kind of scenario worth reviewing before submitting a full application. A quick comparison of the property’s income against personal deposit averages usually makes the better path clear pretty fast. Investors can also review Lendmire’s broader 24-month bank statement loan guide for how the same window works outside the STR context specifically.

About Lendmire

Lendmire (NMLS# 2371349) is a DSCR-focused mortgage broker. It places investor financing across 40 markets — 39 states plus Washington, D.C. The lender generally reviews DSCR eligibility based on property cash flow instead of tax returns, subject to lender guidelines. Scotsman Guide named Lendmire a 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.

References

1. Fannie Mae Single-Family — Appraiser Update, June 2024

2. AirDNA Help Center — How Does AirDNA Calculate Revenue?

3. Scotsman Guide — Non-QM Gaps Widen Between Full-Doc and Alt-Doc Loans

4. Scotsman Guide — Which Groups Are Driving Non-QM Lending?

5. IRS — About Schedule E (Form 1040)

6. AvantStay — Financing an Airbnb Investment Property with Projected Income