Does a Self-Employed Mortgage Use Your Latest Year or a Two-Year Average?

The Quick Read: It depends on the loan type. A full-documentation loan usually averages two years of net business income, but it often uses the lower, more recent year when your income is falling. A bank statement loan skips that question and looks at a window of deposits instead, while a DSCR loan on a pure rental looks at the property rather than your traditional personal-income documentation.

• Full-doc loans: rising or flat income is averaged, and falling income often gets the lower year.
• Bank statement loans: qualifying income comes from 12 months of deposits, not tax-return net income.
• DSCR loans on rentals: qualification runs on the property’s income covering the payment, subject to lender guidelines.
• Your occupancy plan decides which path fits: live in it, or rent it out.
• Every path is underwritten individually. None is automatic.

How Does a Full-Documentation Loan Handle Your Income?

A full-documentation loan turns your traditional personal-income documentation into one monthly income number. The underwriter pulls net business income, meaning what is left after expenses, from your Schedule C or K-1. Then the underwriter compares the two years and checks the direction of the trend.

Flat or rising income gets averaged. Add both years, divide by 24, and that is your monthly figure. Here is the catch: averaging a rising trend pulls the number you qualify on below what you earn today.

Falling income gets less kindness. Lenders look for the worst case and will probably consider the lower of the two years. Sharp year-over-year drops raise questions about whether the business is declining. Expect a letter of explanation and often a year-to-date profit and loss statement.

So the asymmetry is real. A rising trend gets averaged down. A falling trend rarely gets averaged up.

The Trend Decides: Rising, Flat, Falling

This table shows the typical treatment on full-documentation files. Exact handling depends on the program and the underwriter.

No universal cutoff defines a “significant” decline. Any percentage you read online is one lender’s habit, not a rule. Treat it as a question to ask your loan officer.

Why Do Write-Offs Hurt Qualifying Income?

Traditional personal-income review rewards the opposite of what good tax planning does. Write-offs and depreciation shrink net income, and a down year then drags the average with it. Some non-cash items, depreciation being the usual one, may be added back. Which add-backs count varies by program.

Say you run a business that grew sharply this year, with heavy equipment purchases in both years. Your cash flow looks strong. Your taxable income looks modest. A full-doc underwriter sees the tax return, not the cash.

An investor scaling a portfolio has the same problem. Strong cash flow, modest taxable income. That gap is why alternative documentation exists.

What Does a Bank Statement Loan Use Instead?

A bank statement loan does not use tax-return net income at all. Across the wholesale network Lendmire works with, the standard documentation is 12 months of business or personal bank statements. Qualifying income comes from deposit averages, adjusted by a lender-specific expense factor. Scotsman Guide describes the same approach, with statement windows of 12 to 24 months and an accountant-prepared profit and loss statement as an alternative to an expense factor.

The look-back is a statement window. It is not “latest tax year versus two-year average.”

Here is how the math flows on most programs:

1. The lender collects consecutive statements for the full window.

2. It strips out deposits that are not income, such as transfers between your own accounts.

3. It applies your ownership percentage and an expense factor, or uses an accountant-prepared expense statement.

4. It divides by the number of months in the window.

The expense factor is set by each lender. A 50% figure appears as an illustration in the Scotsman Guide piece, but it is not a rule. Some programs may treat personal-account deposits differently when they are clearly business income. That is lender-specific.

Bank statement loans are fully underwritten. They are not no-doc loans. The file is reviewed on documented income under the applicable program, subject to lender guidelines, and a business with several accounts needs every account reviewed.

Leverage and Terms on Bank Statement Files

Through select lenders, a primary residence purchase or rate-and-term refinance can reach up to 90% LTV, with the strongest files earning the top of that range. LTV is loan-to-value, the loan as a percentage of the property’s value. Asset-depletion, which is reviewed against liquid assets instead of income, runs to about 80% LTV on a primary residence. These specifics are subject to lender guidelines and a full review of property, leverage, and credit.

On owner-occupied cash-out, a primary residence tops out around 80% LTV with a fixed expense ratio, or 75% with an accountant-prepared ratio. A second home tops out around 75%. Investment-property cash-out is typically up to 75% LTV. Investment purchase leverage on bank statement documentation varies by lender.

Loan sizes generally run from $125,000 to $3,500,000, and reserves commonly sit around six months of the housing payment. All of it is subject to lender guidelines and credit review.

Does a DSCR Loan Care About Your Latest Year?

No. For a rental property, the one-year versus two-year question mostly goes away. DSCR stands for debt service coverage ratio. It measures whether the property’s rent covers its monthly obligation, so the loan is reviewed primarily on property-level rental income covering the payment, subject to lender guidelines.

The steps are simple. The appraiser’s rent schedule or the lease sets the property’s income. The lender compares that income to the payment. A 1.00 ratio means rent equals the payment. Programs below 1.00 are available through select lenders in the network, but LTV and terms adjust.

Paperwork does not vanish. Lenders still review credit, reserves, down-payment sourcing and entity documents. 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.

For the full picture, see the complete DSCR loans guide. Lendmire is a broker, so it arranges these through select lenders in its wholesale network across 41 markets, including Washington, D.C.

Which Path Fits Your Property?

Occupancy picks the path. That is the cleanest rule.

• A home you live in: a full-doc or bank statement loan. Both are consumer mortgages, so owner-occupied files follow consumer disclosure rules.
• A pure rental: DSCR. A non-owner-occupied rental, including a short-term rental, is business-purpose.
• An owner-occupied 2-4 unit: case by case. You live in one unit, so the consumer rules can still apply.

The legal line follows the purpose of the loan, not just the collateral. The federal rule on business-purpose credit carves out credit extended primarily for business purposes, and it treats owner-occupied rentals with special thresholds. Buying an owner-occupied rental counts as business-purpose only above two units. Maintenance and improvements need more than four. That is why a duplex you live in is not treated like a duplex you rent out.

Consumer-purpose lenders must also verify the income they rely on. The federal ability-to-repay rule requires reasonably reliable third-party records and recognizes self-employment as an employment type to weigh.

What If You Have Less Than Two Years Self-Employed?

Standard guidance expects two years. Lendmire’s piece Self-Employed Mortgage at One Year vs Two Years of History covers that decision.

A bank statement file can help here, since it reads deposits rather than returns. Still, the underwriter wants to see a business that is stable and likely to continue.

Common Misconceptions

“Lenders always average two years.” They average when the trend is flat or rising. A decline often means the lower year.

“Lenders use my gross revenue.” They use net income after expenses, with some add-backs.

“Bank statement loans are no-doc.” They are not. Income is verified from deposits.

“No personal income documentation means no paperwork.” On a DSCR loan, qualification runs on the property’s income, yet credit, reserves, appraisal and entity papers still apply.

“Non-QM means subprime.” Scotsman Guide frames non-QM as a documentation category for creditworthy borrowers.

Questions to Ask Your Lender

• Do you average two years, or use the lower year if my income dropped?
• Which add-backs do you allow?
• Do you accept a year-to-date profit and loss statement?
• What expense factor do you apply to my deposits?
• Do you qualify me on personal or business statements?
• How do you treat a rental with an owner-occupied unit?

Many investors find that the answers differ sharply from one lender to the next. That is the point of comparing.

Key Terms Defined

Net business income: Revenue minus business expenses, as reported on your tax return.

Add-back: A non-cash expense, such as depreciation, that an underwriter may add back to your income.

Expense factor: The percentage of deposits a bank statement lender treats as business costs.

LTV: Loan-to-value, the loan amount as a percentage of the property’s value.

DSCR: Debt service coverage ratio, the property’s rent compared with its monthly obligation.

Non-QM: A mortgage category for borrowers whose documentation falls outside standard agency rules.

If you are self-employed and want to see how the numbers work, Lendmire can help you compare bank statement loan options based on your deposits, the property, credit profile, leverage, and your goals. Tax treatment varies; consult a qualified professional.

For current guidelines and terms, see Lendmire’s self-employed mortgage programs page.

About Lendmire

Lendmire is a mortgage brokerage (NMLS# 2371349) licensed for consumer mortgage lending in 16 states, arranging bank statement and other alternative-documentation mortgages — P&L-only, 1099-only and asset-based paths — through a wholesale lending network. Eligibility is determined by the lender on each file. Scotsman Guide named Lendmire a Top Mortgage Workplace in both 2025 and 2026.

References

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

2. CFPB Regulation Z § 1026.3

3. eCFR 12 CFR 1026.43