Self-Employed Mortgage Income Methods for Purchase vs Refinance

The Quick Read: A self-employed buyer and a self-employed refinancer usually draw on the same income tools, but a purchase leans on a clean deposit history while a refinance adds an ownership, equity and leverage layer, so the best method depends on occupancy, transaction type and how much income your tax return actually shows.

• Bank statement path: Typically 12 months of business or personal statements, with income built from deposit averages and lender-specific expense factors.
• Leverage differs by transaction: On a primary residence, a purchase or rate-term refinance can reach up to 90% LTV with select lenders. An owner-occupied cash-out typically tops out near 80% LTV, and an investment-property cash-out near 75% LTV.
• Rentals can use a different test: DSCR loans on non-owner-occupied rentals qualify primarily on property-level rental income covering the payment, subject to lender guidelines.
• Refinance adds questions: Lenders may ask how long you have owned the property, and a bigger cash-out loan lowers rental coverage.

Here is the honest answer on who each option is for. A purchase file suits you if your deposits are steady, your documents are tidy and you want the widest range of leverage on a primary residence. A refinance file suits you if you already own the property, have equity to use and can live with a lower leverage ceiling when you pull cash out.

Neither one is easier across the board. They test the same income in different settings, and that is what the rest of this piece sorts out.

Side-by-Side

The table shows typical ranges from select lenders in Lendmire’s wholesale network. Every figure is subject to lender guidelines, credit profile and property review.

Two notes on reading it. First, the owner-occupied cash-out figure is 80% with a fixed expense ratio and 75% with an accountant-prepared ratio, depending on loan size and credit. Second, investment purchases on bank statement documentation vary enough by lender that a single number would mislead. Investor-focused leverage guidance usually belongs to the DSCR side.

Loan amounts across these programs typically run from about $125,000 to $3,500,000.

Key Terms Defined

Expense factor: The percentage a lender subtracts from business-account deposits to account for operating costs before calling the rest income.

Add-back: A tax-return deduction, such as depreciation, that a lender may add back because no cash left the business.

Rate-and-term refinance: A new loan that replaces the old one without taking out extra equity.

Cash-out refinance: A new, larger loan that pays off the old one and hands you the difference in cash.

DSCR (debt service coverage ratio): A property’s rent divided by its full monthly obligation, including taxes, insurance and any HOA dues.

Seasoning: How long you have owned a property before a lender will refinance it on certain terms.

How the Income Gets Built

Several methods cover most self-employed files. Each answers a different question.

Tax returns. This is traditional personal-income documentation. The lender starts with net income on your returns, adds back qualifying items and averages the years. Legitimate write-offs lower what the lender can credit. That is the main reason many self-employed borrowers look elsewhere. 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.

Bank statements. Here the lender underwrites you, using your cash flow instead of your return. The steps look like this:

1. Collect 12 months of business or personal statements. Market guides describe a 12-to-24-month window as typical, according to HousingWire’s non-QM guide, and the programs Lendmire’s brokers place files with usually work from 12. 2. Remove transfers between your own accounts, one-off deposits and anything that is not business income. 3. On business accounts, apply an expense factor. The lender sets it, and an accountant-prepared ratio can sometimes replace the default. 4. Count only your ownership share, then average across the window. 5. Run credit, reserves and the appraisal.

Bank statement income is not the sum of your deposits. The same HousingWire guide says non-QM is scenario-based, and it puts bank statement loans at about 34% of non-QM volume and DSCR loans at about 29%.

DSCR. This path reviews the property’s rental income. A DSCR loan is reviewed primarily on property-level rental income covering the payment, subject to lender guidelines. It still reviews credit, assets, reserves and any entity documents. Taxes, insurance and HOA dues all feed the ratio, so it is more than rent divided by a mortgage.

Asset depletion is a fourth option for borrowers with large liquid balances but lumpy income. On a primary residence, it can reach about 80% LTV with select lenders. The exact numbers vary by lender and program and follow a full review of property, leverage, and credit.

When a Purchase Is the Better Fit

A purchase is the better fit when your cash flow is strong, your deposits are clean and you want a primary home or second home with high leverage. On a primary residence, select lenders typically allow up to 90% LTV on a purchase, and the strongest files earn the top of that range.

There is no ownership-history question. The file is built around the contract, the appraisal and where your funds came from. A lender has nothing to ask about how long you have held the property, because you do not hold it yet.

Say a borrower runs a consulting practice with heavy write-offs. Her tax return shows modest income, but her business account shows steady deposits month after month. On a purchase, the bank statement path can credit that cash flow, and the contract timeline is the only clock she works against. She still needs about six months of reserves on the housing payment, which is a common expectation.

A purchase also works well when two properties need different tests. Many self-employed investors use bank statements for the primary residence and DSCR for each rental. The two methods underwrite different things, so they do not compete.

On a rental purchase, the question shifts. Alt-doc leverage on investment purchases varies widely by lender, so rental buyers often move to DSCR. If the rent covers the full monthly obligation, your personal deposits are not the central test. Select lenders in the network also offer programs below 1.00 coverage, although LTV and terms adjust when coverage runs thin.

Consumer-lane availability matters too. The owner-occupied side of this business is licensed in 16 states, so confirm that your property’s state is covered before you plan around it.

If your K-1 income is the sticking point, Lendmire’s piece K-1 Income vs Retained Earnings in a Self-Employed Mortgage Calculation covers it in detail.

When a Refinance Is the Better Fit

A refinance is the better fit when you already own the property, have equity to use and want to restructure debt or pull cash. It works best for borrowers whose income has become easier to document than it was at purchase.

A rate-and-term refinance replaces your debt without taking out equity. On a primary residence, select lenders typically allow up to 90% LTV on it, the same ceiling as a purchase. A cash-out is a different animal. On an owner-occupied home it typically tops out near 80% LTV, and on an investment property near 75% LTV.

Never carry the purchase number into a cash-out plan. A buyer who sees 90% and assumes it applies to pulling equity out will be disappointed.

Cash-out has a second cost on rentals. A bigger loan means a bigger payment, so the same rent produces a lower coverage ratio. A refinance can miss on DSCR even when the borrower is strong. Across files like this, coverage is often the limiting factor on a cash-out, not credit or reserves. Lenders may also ask how long you have owned the property before they allow certain terms.

Picture an investor with a rental that rents well and has gained value. She wants cash for the next down payment. At a modest cash-out, coverage may stay comfortably above 1.0x. If she asks for the maximum, coverage can slide toward the floor, and she may need to trim the loan amount to keep the file inside program limits.

Cash-out proceeds from a rental can fund the next purchase, which is why many investors treat the two transactions as a sequence. For the other side of that sequence, Lendmire’s piece Tax Returns vs Bank Statements: Self-Employed Purchase or HELOC shows how the choice plays out when equity is the goal.

Occupancy Decides the Rules

Whether you live in the property changes the loan’s legal category. An owner-occupied file, whether primary residence or second home, is a consumer mortgage, and the full set of consumer mortgage disclosures (TRID) applies. Lenders on those loans must verify the income or assets and employment they rely on. The CFPB’s ability-to-repay compliance guide lists self-employment among the employment types a lender may consider. It also expects deposits to be confirmed as your own income. That is why bank statement files are fully documented, not loose.

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. The federal rule that exempts business credit is Regulation Z §1026.3. A bank statement loan on a non-owner-occupied rental, including a short-term rental, is business-purpose and exempt from TRID. 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.

The label on the property does not settle it. Compliance Alliance explains that the purpose of the loan matters more than what the property is called. Owner-occupancy, loan purpose and unit count all feed the answer. A duplex where you live in one unit is a good example. It is treated as owner-occupied, so DSCR is off the table and a bank statement or tax-return path applies.

This matters most on a refinance. Moving a rental loan into a personal-residence loan changes the file from business-purpose to consumer. The income method and the disclosures change with it.

Where Files Go Wrong

Most failed files share a short list of problems.

• Messy deposits. Inconsistent deposits or a large share of undocumented ones weaken bank statement income. A profit-and-loss statement prepared by an accountant can sometimes help.
• Commingled accounts. Personal and business money in one account takes extra analysis and sometimes gets disqualified.
• Multiple businesses. Each business needs its own review, and the work adds up.
• Ownership share. A partner is credited only for his or her ownership percentage.
• A dip in the latest year. On the tax-return path, a decline can pull the average down. On the bank statement path, it shows in recent deposits.
• An unfiled return. Without the return, the tax-return path is closed, which is often when a statement program is worth a look.
• Entity vesting. DSCR commonly allows LLC vesting, subject to program terms, while bank statement programs vary. Settle the title question before applying, not after.

Another pattern is worth knowing. Depreciation and write-offs reduce what a tax-return review credits. DSCR avoids that squeeze on the rental itself, since the property’s rent is the test.

Which Path Fits Which Borrower

Match the path to the property and the transaction, not to a preference.

• Primary home, strong deposits, heavy write-offs: bank statements, on a purchase or a rate-term refinance.
• Primary home, big liquid balance, uneven income: asset depletion, up to about 80% LTV on a primary residence.
• Rental purchase or rental cash-out: DSCR, where rent against the full payment is the main test.
• Owner-occupied cash-out: bank statements at the lower cash-out ceiling.
• Investor holding both: bank statements for the home and DSCR for each rental. Final terms depend on the lender’s guidelines, the property type, and the borrower’s complete credit picture.

The complete DSCR loans guide walks through the rental side in full.

The Verdict

Choose a purchase path when you want maximum leverage on a primary residence and your statements are clean. Choose a refinance path when you hold equity, understand the lower cash-out ceiling and have the coverage or the income to support the new loan.

The deciding factors are occupancy and transaction type, not the self-employed label. An owner-occupied file wants documented personal income, whether from statements, returns or assets. A rental file can look to the property. Your task is to run the numbers each way before you commit, because a path that works for one property can fail for the next.

What to Do Next

The brokerage arranges financing through select lenders in its wholesale network, and every file is underwritten individually. Qualification is on documented income under the applicable program, subject to lender guidelines, and none of this is a commitment to lend.

About Lendmire

A non-QM mortgage broker (NMLS# 2371349), Lendmire arranges DSCR financing for real estate investors in 41 markets — 40 states plus Washington, D.C. Because deals are underwritten primarily on property cash flow rather than personal income documentation, the structure suits self-employed buyers and entity-owned portfolios. Lendmire places loans through wholesale investor lenders; it is not a direct lender. Scotsman Guide named Lendmire a Top Mortgage Workplace in both 2025 and 2026.

References

1. HousingWire — Non-QM Loans Guide

2. CFPB — Ability-to-Repay and Qualified Mortgage Small Entity Compliance Guide

3. CFPB — Regulation Z §1026.3, Exempt Transactions

4. Compliance Alliance — Regulation Z and Investment Properties