How to Use This Year’s Higher Income on a Bank Statement Mortgage

The Quick Read: When your income rose recently, ask the lender to qualify you on the most recent 12 months of statements instead of a 24-month average, because the shorter window reads only your strongest year and the longer one blends in the older, lower deposits. The right choice comes from running both calculations and comparing the loan size each one supports. Every file is underwritten individually, subject to lender guidelines.

• A 12-month window rewards a rising trend. A 24-month window drags the older, lower year into the average.
• Only eligible deposits count. Transfers between your own accounts, loan proceeds, refunds and one-time lump sums come out.
• The lender sets the expense factor, not you. A third-party-prepared expense statement can sometimes support a lower one.
• Income is only one test. Credit, reserves and the property still have to work.
• Bank statement loans qualify you on personal deposits. DSCR loans qualify the property’s cash flow. They are different tools.

This article is about mortgage qualification, not about reducing your taxable income in a high-earning year.

Why Does the Usual Two-Year Average Hold Back Rising Income?

A tax-return mortgage averages your last two years of net income, so a strong recent year gets pulled down by a weaker one before it. The deposit-based route reads cash flow instead, which is why self-employed borrowers with fast-growing income often look at it.

Picture a consultant who landed three large clients this year. Her deposits have climbed month after month. A traditional underwriter would blend this year with last year and use the lower figure.

Write-offs add a second drag. Heavy deductions are legitimate and reduce your tax bill. They also shrink the net income on the return. Tax treatment can depend on how the funds are used and how the property is held, so keep clear records and speak with a qualified tax professional before relying on any deduction.

A bank statement loan skips the return as the income measure. Your deposits tell the story, so the question becomes which months of deposits the lender reads.

How Does a Bank Statement Mortgage Turn Deposits Into Income?

The lender totals your eligible deposits, applies your ownership share, subtracts an expense factor, and divides by the number of months. Across our wholesale network, programs follow that basic pattern, though the details differ by lender.

Here is the sequence in order:

1. Choose the window. Programs typically look at 12 or 24 months of statements. The brokerage commonly runs both numbers on the same file.

2. Gather complete statements. That means every page, for the full window, for every account you want counted.

3. Strip out non-income deposits. Transfers between your own accounts, loan proceeds, refunds, asset sales and capital contributions do not count.

4. Apply ownership and the expense factor. Eligible deposits times your ownership percentage, reduced by the expense factor, divided by months. Scotsman Guide uses 50% as an example of a standard factor. It is an illustration, not a rule. Lenders set their own, and no one can promise you a specific number up front.

5. Review the trend. The underwriter reads the slope as well as the average.

6. Run the result through the other tests. Credit, assets, existing debts and the property all still apply.

The same Scotsman Guide piece notes that a profit-and-loss statement or an expense statement from a third-party tax professional can replace the flat factor. Many programs in our network allow this. Some do not.

Business and personal statements are treated differently. Business deposits usually get an expense factor because the lender assumes costs ran through the account. Personal deposits can be treated more directly, though programs vary on what they allow. If you have both account types, the mix matters.

12 Months or 24 Months: Which Window Should You Pick?

Pick 12 months when your recent year is clearly higher and the trend is not tapering. Pick 24 months when your income is flat, seasonal or lumpy, or when the older year was just as strong. Running both removes the guesswork.

Now the math. This is a modeled illustration, not a market fact. Say the older year’s eligible deposits were half of the recent year’s. Call the recent year 100 and the older year 50.

• The 12-month figure uses 100.
• The 24-month figure averages to 75.
• That puts the 24-month number 25% below the 12-month one.

Apply a 50% expense factor and the qualifying income is 50 versus 37.5. That gap flows straight into how much loan the income can support. On a growing business, the window choice can change the answer more than almost any other lever on the file.

Programs differ on whether 12 months is allowed, how many accounts you can combine, and minimum ownership. Our network’s primary-residence programs generally work from 12 months of business or personal statements. Confirm the window options for your scenario at the start, before you collect paperwork.

How Do Underwriters Treat a Recent Jump?

They look for a reason, a pattern and clean sourcing. A jump that traces to new contracts, added clients or higher prices, and that repeats month after month, tends to be believed. A one-off wire usually is not.

An underwriter commonly compares each large deposit with a normal month of your account activity. A deposit far outside your usual flow draws a request for documentation. That is not an automatic denial. It is a request to prove what the money was.

What helps your case:

• A documented cause. Contracts, invoices or a letter from a tax professional that explain the growth.
• Deposit consistency. Several months of similar or rising deposits beat one giant month.
• Clear business ties. Deposits that match your invoices and your type of work.
• Few overdrafts. Repeated overdraft or returned-item activity makes an underwriter doubt stability.

What hurts: unidentified deposits, round-number transfers that look like moves between accounts, and a surge right before the application with nothing before it.

Where Does the Rule Break?

The 12-month rule breaks in a handful of predictable situations. Each one changes which number the lender trusts.

Lump sums. Asset sales, settlements, loan proceeds and large one-time wires get sourced and typically excluded. Your recent year may look higher on paper than it is on the file.

Falling income. If deposits are tapering, the underwriter may lean toward the longer or more conservative window, or ask for more paperwork. Unsourced deposits come out of income.

Reinvestment. The expense factor trims your deposits no matter how much the business actually kept. If you plow money back into the company, a documented lower factor is your lever. The lender still decides whether to accept it.

Seasonality. A full window smooths seasonal swings. A short window can flatter a peak or punish a trough. Time your application with that in mind.

Mixed income. Some borrowers have wages plus self-employment income. Program rules on combining them differ, so describe the whole picture to your broker early.

Thin personal income. If your deposits do not support the loan you want, the property itself may. That is the DSCR route, covered below.

What If the Surge Is Only a Few Months Old?

A short surge is the hardest case. A 12-month window still includes the older, lower months, so the average rises slowly as the strong months replace the weak ones.

Think of the window as a ruler sliding forward one month at a time. Each month, the oldest month drops off and the newest joins. If your income jumped four months ago, eight lower months are still in the window. Wait a few more months and the average climbs.

So applying now and applying later can give different results. Waiting helps when the new level is holding and the deposits keep coming. It hurts if the spike fades. Show the underwriter a trend that is sustained rather than a single peak.

Timing also has a seasonal side. File when your 12-month window reads strongest, before a slow quarter rolls in.

Prepare Your Statements Before You Apply

Clean statements make the difference between a clear income calculation and a stack of questions. Do this before you submit anything:

• Gather every page of every statement for the full window, including blank-looking pages.
• Keep business and personal deposits separable. Avoid running business money through personal accounts.
• Skip circular transfers between your own accounts. They muddy the count.
• Flag large deposits ahead of time and keep the paperwork that explains them.
• Collect a business license or a letter from your tax professional confirming self-employment. Many programs ask for one.
• Ask whether a tax professional’s expense statement could replace the flat factor, and if so, get it prepared early.
• Check for overdrafts and returned items, and be ready to explain any.

Is a Bank Statement Loan Different from the Tax-Return Route and from DSCR?

Yes, and the differences decide which product fits. The tax-return route measures net income after deductions over two years. A bank statement loan measures deposits over 12 or 24 months. A DSCR loan measures the property’s rent against its own debt.

Now the third path. Our complete DSCR loans guide covers it in detail. A DSCR loan is reviewed primarily on property-level rental income covering the payment, subject to lender guidelines. It suits a non-owner-occupied rental when your personal deposits are thin, declining or hard to document. Because it looks at the property, this year’s higher personal income matters much less there.

DSCR loans are designed for non-owner-occupied investment properties. Because they are business-purpose investor loans, they are reviewed differently from a standard owner-occupied mortgage.

Occupancy decides which framework applies. A bank statement loan on your primary residence or second home is a consumer mortgage, and consumer disclosure rules (TRID) apply. A bank statement loan on a non-owner-occupied rental, including a short-term rental, is business-purpose and exempt from those disclosure rules. Short-term rental rules can vary by city, county, HOA and property type, so investors should confirm local rules before relying on projected rental income.

On the consumer side, the CFPB’s compliance guide for the ability-to-repay rule says a lender must consider and verify income or assets and debts. That is why “no tax returns” never means “no verification.” Business-purpose credit sits outside that framework under Regulation Z’s business-purpose exemption, though compliance should confirm how that applies to your file.

What Leverage and Program Numbers Should You Expect?

Leverage depends on occupancy and transaction type, and the figures below are typical ranges from select lenders in our wholesale network, subject to lender guidelines.

• Primary residence, purchase or rate-and-term refinance: up to 90% LTV, with the top of the range going to stronger files.
• Primary residence on asset depletion: qualifying from liquid assets runs to about 80% LTV.
• Owner-occupied cash-out (primary or second home): up to 80% LTV with a fixed expense ratio, and 75% with an accountant-prepared ratio, depending on loan size and credit.
• Investment-property cash-out: tops out around 75% LTV.
• Investment-property purchase on bank statement documentation: varies by lender. Investor-focused leverage guidance belongs to the DSCR side.
• Loan amounts: roughly $125,000 to $3,500,000, with reserves commonly around six months of the housing payment.

Loan term length follows each lender’s program sheet. Extended structures such as 40-year and interest-only terms are DSCR-side offerings, so do not assume a bank statement loan offers them. This lane is reviewed on documented income under the applicable program, subject to lender guidelines. Our consumer mortgage licensing covers 16 states.

Higher income can raise your purchasing power on personal-income programs such as an owner-occupied purchase. The calculator on this site can give you an illustrative estimate once you have a target price and leverage in mind.

If you are weighing this route for a vesting or royalty income stream rather than business deposits, Lendmire has separate pieces on how to use rsu and vesting income on a super jumbo bank statement loan and on using royalty income on a super jumbo bank statement loan.

Key Terms Defined

Bank statement mortgage: A non-QM loan that is reviewed around deposit history from your bank statements instead of net income on traditional personal-income documentation.

Expense factor: The percentage the lender subtracts from your deposits to estimate business costs before arriving at qualifying income.

Lookback window: The number of months of statements the lender reads, usually 12 or 24.

Eligible deposits: Deposits that count as income after the lender removes transfers, loan proceeds, refunds and one-time items.

LTV (loan-to-value): The loan amount as a percentage of the property’s value or price.

DSCR (debt service coverage ratio): Monthly rent divided by the monthly debt payment on the property, used to qualify investor loans on the property’s cash flow.

Reserves: Liquid funds you hold after closing, usually counted in months of the housing payment.

Next Step

Reach the team at 828-256-2183 or request a quote. Lendmire is a broker that arranges financing through select lenders in its wholesale network, and any approval is subject to lender guidelines.

About Lendmire

A DSCR-focused mortgage broker, Lendmire (NMLS# 2371349) places investor financing across 41 markets — 40 states plus Washington, D.C. — with DSCR eligibility generally reviewed by the lender on property cash flow instead of tax returns, subject to lender guidelines. Scotsman Guide named Lendmire a Top Mortgage Workplace in 2025 and 2026.

References

1. Scotsman Guide, Rev Up the Engine for Non-QM Lending

2. CFPB ATR/QM Small Entity Compliance Guide

3. eCFR, 12 CFR 1026.3 (business-purpose exemption)