The Quick Read: If you live in one unit of a duplex, a conventional cash-out refinance is capped at 75% loan-to-value. A one-unit home gets 80%. The cap covers the whole new loan, not just the cash you receive, so your payoff and costs come out of the same limit. Each extra pull also waits on seasoning rules and your debt-to-income ratio, which is where growing past one property gets harder.
What Does LTV Mean on a Duplex Cash-Out?
LTV, or loan-to-value, is the new loan divided by the appraised value of the home. A cash-out refinance replaces your current mortgage with a larger one and hands you the difference. The LTV cap limits how large that new loan can be.
Two facts set the cap: how you use the property and how many units it has. Lenders treat a duplex you live in as a principal residence with 2-4 units. Across the wholesale programs Lendmire places files with, that category carries a lower cash-out ceiling than a one-unit home. The reason is simple. More units mean more moving parts, so lenders leave a larger equity cushion.
Here is how the conventional caps compare by transaction.
| Transaction | One-unit home | Two- to four-unit home |
|---|---|---|
| Cash-out refinance (principal residence) | 80% LTV | 75% LTV |
| Purchase (principal residence) | 95% LTV (97% for some first-time buyers) | Up to 95% LTV |
| Rate-and-term refinance (principal residence) | 95% LTV | Set separately, higher than cash-out |
Notice the pattern. The cash-out cap sits well below the purchase cap on every row. Lenders hold back more equity when you take cash out than when you buy.
Many homeowners in this spot are weighing cash-out refinance programs against simply keeping the loan they have. The cap is the first number that decides that comparison.
How Is the Cash Actually Sized?
The formula is short: appraised value times the cap, minus your payoff, minus closing costs and prepaid items. What remains is your cash. It is always lower than the cap alone suggests.
Walk through it with percentages only. Say your duplex appraises at 100% of its value, and your current mortgage balance is 50% of that value. At the 75% duplex cap, the new loan can reach 75% of value. That leaves 25 points of value as the most you could receive, before costs. On a one-unit home at 80%, the same math leaves 30 points. The duplex gives up five points of value.
Then costs come out. If you pay them at closing, you keep more of the cap for cash. If you roll them into the loan, the cash drops by that amount. Either way, you land below the headline number.
Two details trip people up:
- The appraiser sets the denominator. Your own estimate and your purchase price do not count. On a 2-4 unit property, the appraisal also documents rental support using the Small Residential Income Property Appraisal Report, known as Form 1025, per the Fannie Mae Selling Guide on rental income.
- A second lien counts. The test looks at combined balances. A home equity line on the property eats into the room under the cap.
A common misunderstanding is that you can “borrow 80% of your equity.” You cannot. The cap applies to the total new loan against value, a point the CFPB’s home equity guide makes when it explains that no home-equity option converts all of your equity to cash. That guide also notes lenders typically want you to keep some equity in the home.
What Does the Lender Check Beyond LTV?
LTV is one test among several. The Fannie Mae Eligibility Matrix sets the leverage caps. The Selling Guide’s cash-out section adds the other gates:
1. Age of the loan being paid off. The existing first mortgage must be at least 12 months old, counted from note date to note date.
2. Time on title. At least one borrower must have been on title for six months before the loan funds.
3. Listing status. A home that was listed for sale must come off the market on or before the funding date.
4. Reserves. On automated-underwriting files where debt-to-income tops 45%, the guide calls for six months of reserves. Reserves are money left in the bank after closing.
The 12-month rule is relatively new. It began with an announcement on cash-out eligibility and applies to notes dated after it took effect. Before that, borrowers could stack cash-outs back to back. Now a recent refinance blocks the next cash-out for a year. That timing matters for anyone planning the next down payment.
Credit and ratios come on top. The wholesale conventional programs Lendmire works with start at a 620 decision score, and the automated finding governs most files, with a total ratio ceiling of 50%. Every figure is subject to lender guidelines and full file review.
How Does Rental Income From Your Other Unit Count?
Rent from the unit you do not live in helps, but less than you might expect. When a lender uses current leases or market rent from the appraisal, it counts 75% of gross monthly rent. The haircut covers vacancy and upkeep.
The subject property’s full proposed payment still counts as debt. Rent adds to your qualifying income, but it does not cancel the payment. For a refinance with rental history, expect a request for the appraisal’s rent schedule plus your most recent signed tax return with the rental schedules, or current leases when an exception applies.
Here is why that matters for scaling. Cash-out raises your balance. A bigger balance on the same rent means a heavier debt-to-income ratio. Do that three times across three properties and the ratio, not the LTV cap, may become your real limit.
What Changes as You Add Doors?
Two rules govern growth, and people often blur them. One is the LTV cap on the home you live in. The other is a count of how many properties carry a mortgage in your name.
The count rule bites only when the home you are refinancing is a second home or an investment property. Under Fannie Mae’s financed-property rule, the limit is ten financed properties for those occupancy types. A duplex counts as one property, not two. When the home you are refinancing is your own residence, there is generally no numeric cap on your other financed properties, with specific program exceptions. Occupancy decides the leverage: a purchase of a second home is capped near 90%, and an investment purchase at 85% on one unit and 75% on two to four.
Here is how a sequence of doors tends to look on a residence-based plan. The table is a pattern, not a quote.
| Stage | What limits you | Pacing factor |
|---|---|---|
| First pull on your duplex | 75% LTV cap, appraisal | Existing loan at least 12 months old |
| Funding the next door | Down payment for that purchase | Reserves for each financed property |
| Second pull on the duplex | Cap on a larger balance | Another 12-month wait on the new note |
| Third door and beyond | Debt-to-income across all loans | More financed properties mean more reserves |
Reserves are the quiet pacing limit. More financed properties generally mean more cash held back and tighter credit expectations. Some lenders set higher score floors at higher counts, so ask early.
Lendmire’s piece How Much a Cash-Out Refinance Releases When Scaling to Ten Doors works through the release side of that loop in more depth.
Where Does the 75% Rule Break?
Several situations bend or break the general rule. Know them before you plan.
You move out. The 75% duplex cap applies while you occupy a unit. If you move out and rent both units, the loan becomes an investment-property loan with different leverage and underwriting. Do not treat that as a loophole. A cash-out refinance on investment property also caps at 75%, and lenders underwrite it differently.
Limited cash-out. If the new loan only pays off your mortgage, closing costs and a purchase-money second, it is a limited cash-out refinance. The cap on a 2-4 unit home is higher than for a cash-out, but cash back is tightly restricted. A co-owner buy-out can qualify here if the property was jointly owned for at least 12 months before funding, per the limited cash-out section of the Selling Guide. Inheritance is an exception.
Delayed financing. If you bought the duplex with cash and can document the funds, a cash-out refinance can happen before the usual seasoning period ends. This path is for a principal residence. The rule lives in the same cash-out section of the Selling Guide.
Government loans. FHA cash-out is for owner-occupied homes only, with its own occupancy history and a lower cap than purchase loans. VA cash-out requires a Certificate of Eligibility and that you live in the home. The VA Interest Rate Reduction Refinance Loan, or IRRRL, is a “VA to VA” streamline. It offers no cash out, so it cannot fund your next door.
Texas. On a Texas homestead, the state constitution caps how much cash you can take out.
Jumbo balances. Above the conforming limit, the jumbo lanes take over with their own score and leverage rules.
How Do the Alternatives Compare?
Cash-out is not the only way to turn equity into a down payment. Here is the side-by-side.
| Option | What it does | Main tradeoff |
|---|---|---|
| Cash-out refinance | Replaces your loan with a bigger one | Resets the whole loan, 75% cap on a duplex |
| Home equity line | Adds a second lien | Counts toward combined LTV, keeps first loan |
| Delayed financing | Cash-out after a cash purchase | Needs documented funds, principal residence |
| Selling | Frees all equity | You lose the home and its rent |
A home equity line lets you keep your current first mortgage as is. That can matter when your existing loan carries terms you want to hold. But the combined balance still has to fit the lender’s limit. A cash-out refinance gives one new loan and one payment, and the new balance comes with a new term.
Lendmire’s article How to Use Cash-Out Payment Math When Scaling to More Doors covers how the payment shifts with each pull.
What Does a Cash-Out Cost, and What Is the Risk?
Costs show up in three places. First, you pay closing costs, either at the table or by rolling them into the loan. Second, a larger balance means a bigger monthly payment and may stretch the payoff date. Third, the new loan replaces the old one, so any terms you liked on the old note are gone.
The risk is real. The CFPB warns that paying non-mortgage debts with mortgage debt can raise your foreclosure risk. Your home secures the new loan. If rent falls short or a tenant leaves, the payment stays.
Appraisal risk matters too. A low value shrinks the cap in dollar terms. The cap is a ceiling, not an entitlement.
Tax treatment can depend on your situation; borrowers should speak with a qualified tax professional before relying on any deduction or credit.
Key Terms Defined
LTV (loan-to-value): The new loan balance divided by the appraised value of the home.
CLTV (combined loan-to-value): All loans secured by the property, first and second, divided by value.
Cash-out refinance: A new, larger mortgage that pays off the old one and puts the difference in your hands.
Limited cash-out (rate-and-term) refinance: A refinance that pays off the old loan and costs, with only incidental cash back.
Seasoning: The waiting period a loan or ownership must meet before a new refinance is allowed.
Reserves: Cash or liquid assets you keep after closing to cover payments.
Retained equity: The share of your home’s value left unborrowed after the refinance.
Debt-to-income (DTI): Your monthly debt payments divided by your monthly income.
A Decision Checklist
Use these questions before you pull cash:
1. Is your existing loan at least 12 months old? If not, a cash-out waits.
2. Will you still live in one unit? Occupancy sets the 75% cap.
3. What will the appraisal say? The cap applies to appraised value, not your guess.
4. How much cash remains after payoff and costs? That is the number that funds the next door.
5. Can your ratio take a bigger balance? Rent counts at 75%, and the full payment counts as debt.
6. Do you have the reserves? More financed properties generally mean more.
7. Is the cash needed now? Pulling more than the next step requires adds interest and risk.
If most answers are yes, the pull may fit. If two or three are no, waiting a year to build seasoning and equity often helps more than stretching.
Where to Go From Here
If you are weighing a cash-out refinance against keeping the loan you have, Lendmire can help you compare the programs and the equity each one reaches. Every program figure here is subject to lender guidelines and full file review, and nothing here is a commitment to lend.
Frequently Asked Questions
Why is the cash-out cap lower on a duplex than on a single-family home?
Lenders hold back more equity on 2-4 unit properties because they carry more risk. The cap drops from 80% to 75% on a principal residence. That five-point difference is the extra cushion.
Can I cash out right after buying my duplex?
Usually not. The loan being paid off must be at least 12 months old, and at least one borrower must be on title for six months. Delayed financing is the exception when you bought with documented cash on a principal residence.
Does a duplex count as two properties toward the financed-property limit?
No. It counts as one. That limit applies when the home you are refinancing is a second home or an investment property, and when the subject is your own residence there is generally no numeric cap.
How much cash will a duplex actually release?
Less than the cap suggests. The new loan can reach 75% of appraised value, but payoff, closing costs and prepaid items come out of that. Any second lien counts toward the limit too.
Can an FHA or VA loan fund my next purchase?
Not through a streamline. The VA IRRRL and FHA Streamline offer no cash out. FHA and VA cash-out loans exist, but they require that you live in the home and follow their own rules.
For your own numbers, request a scenario review with Lendmire.
For current guidelines and terms, see Lendmire’s refinance programs page.
About Lendmire
Lendmire (NMLS# 2371349) is a mortgage broker licensed for consumer lending in 16 states. Lendmire arranges FHA, VA, conventional and jumbo purchase and refinance loans through wholesale lenders; every file is underwritten by the lender under the applicable program guidelines. Scotsman Guide named Lendmire a Top Mortgage Workplace in both 2025 and 2026.
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References
1. Fannie Mae Selling Guide on rental income
2. CFPB guide to using home equity
3. Fannie Mae Eligibility Matrix
4. Fannie Mae Selling Guide B2-1.3-03, Cash-Out Refinance Transactions
5. Fannie Mae announcement on cash-out refinance eligibility
6. Fannie Mae Selling Guide B2-2-03, Multiple Financed Properties for the Same Borrower
7. Fannie Mae Selling Guide B2-1.3-02
This article is part of Lendmire’s Refinance series — every loan program’s qualification details, guidelines, and scenarios live on the loan options page.
Related reading: How Much Less Cash a Duplex Cash-Out Releases Than a Single-Family · Lease and Rent Roll Docs a Cash-Out Lender Requires · How to Run the Cash-Out Refinance Math Before You Apply
Brandon Miller
Founder & CEO, Mortgage Loan Originator, Lendmire LLC
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Required disclosures. Lendmire (NMLS# 2371349) operates as a licensed mortgage broker, not a direct lender or depository. The discussion in this article is general in nature and should not be relied upon as financial, legal, or tax advice — every investment scenario is unique and should be reviewed by a qualified professional. Any loan inquiry is subject to lender underwriting, and this article is not a commitment to lend or a guarantee of approval. Mortgage rates, loan terms, and program guidelines vary by borrower, property, and state, and may change without notice. Equal Housing Opportunity. Verify licensure at NMLS Consumer Access.