The Quick Read: A refinance drops PMI only when the new loan, measured against the new appraised value, lands at or under 80% loan-to-value. On a duplex, triplex or fourplex you live in, that math includes the payoff, any financed closing costs and every other lien on the property. The appraisal, the reserve requirement and the cancellation rules for multi-unit homes all differ from the one-unit playbook. Some owners can skip the refinance entirely, and some cannot. These specifics are subject to lender guidelines and a full review of property, leverage, and credit.
What Does a Refinance Actually Do to PMI?
PMI follows loan-to-value at the moment a loan is made. Fannie Mae’s Selling Guide requires mortgage insurance on a conventional first mortgage above 80% LTV unless the lender uses another approved credit enhancement. A refinance is a brand-new loan, so it gets tested fresh. If the new balance sits at or below 80% of the new appraised value, the new loan carries no mortgage insurance. If it lands above 80%, insurance comes back, even if you had just paid it off on the old loan. Terms depend on the lender’s guidelines, the property type, the leverage, and a full review of the credit profile.
Refinance savings and break-even estimate
The starting figures are an example value with a balance in proportion and a placeholder for costs. Replace them with yours, and enter the current rate from your statement.
Editable benchmark: 7.32% as of October 22, 2026 · Freddie Mac 30-year average via FRED®. A conventional market reference, not a refinance quote.
Illustrative starting assumptions: a $350,000 home value, a $245,000 current balance, a current rate you enter and a remaining term seeded at twenty-five years, closing costs seeded at $5,000 as an editable placeholder (not a fee quote) and rolled into the new loan, a thirty-year term at the current Freddie Mac benchmark, and property taxes and insurance estimated at typical national rates. Every field is editable.
Illustrative estimate only — not a Loan Estimate, approval, quote, or commitment to lend. The new rate field carries the weekly Freddie Mac thirty-year conventional benchmark, a market reference and not a refinance quote; a refinance is priced by the lender at lock, and the current rate, the remaining term and the closing costs are figures you enter. The current payment is estimated from the balance, the current rate and the remaining term; the break-even divides the closing costs by the monthly saving and ignores the interest effect of a longer term. On the VA IRRRL the funding fee is added to the loan unless the veteran is exempt. Taxes and insurance are editable estimates. Licensed in sixteen states for consumer mortgages; Lendmire is a broker, never the lender.
Plainly: the refinance doesn't "remove" PMI. It replaces a loan that needs PMI with a loan that doesn't. That distinction matters because the new loan has its own rate, term and closing costs. PMI savings are only one side of the ledger.
On the programs Lendmire places files with, the conventional mortgage insurance rule runs the same way: required above 80% LTV, cancellable at 80% of original value on request, terminated automatically at 78%. Those are the Homeowners Protection Act (HPA) tests, and they come with a catch for multi-unit homes, covered next. Program details are subject to lender guidelines and full file review, and nothing here is a commitment to lend.
Key Terms Defined
LTV (loan-to-value): The new loan amount divided by the appraised value of the home.
CLTV: Combined loan-to-value, which adds second liens and HELOC balances to the first mortgage.
Limited cash-out (rate-and-term) refinance: A refinance that pays off the existing first mortgage and closing costs, with only incidental cash back to the borrower.
Original value: The lesser of the purchase price or the appraised value at purchase, which is the baseline for most cancellation tests.
Form 1025: The small residential income property appraisal report used for two- to four-unit homes.
Reserves: Liquid assets left after closing, counted in months of housing payments.
Do You Need to Refinance at All?
Not always. A borrower-paid PMI policy on an agency-owned loan can sometimes be cancelled by the servicer with no new loan. The question is whether your multi-unit home passes the servicer's test.
Here is where two- to four-unit owners get tripped up. The CFPB explains that the Homeowners Protection Act's cancellation rights apply to single-family principal residences. You can ask your servicer in writing to cancel at 80% of original value if you have a good payment history, certify no junior liens and show the value hasn't dropped. That is the one-unit version. A duplex you occupy doesn't get those same statutory protections, so treat the 80%/78% math as unverified for your building until you check your servicer's actual policy.
Fannie Mae's servicing rules set the multi-unit standard. Under Fannie Mae Servicing Guide B-8.1-04, a two- to four-unit principal residence meets the original-value test when the balance reaches 70% of original value, not 80%. The servicer also has to confirm current value isn't below original value, and a lower valuation means denial unless you pay down the balance. Current-value cancellation on these homes is tighter than on one-unit homes, so a rising market helps less than you'd expect.
Freddie Mac sets lower bars for loans outside the HPA. Its Guide section 8203.3 calls for 65% LTV or less on original value, and 65% or less on current value with at least two years of seasoning. Which section governs your loan depends on how it's classified, so ask the servicer which one applies. The exact numbers vary by lender and program and follow a full review of property, leverage, and credit.
The practical read: if your balance is nowhere near 70% of original value, the servicer route is probably out of reach. That is when a refinance becomes the main exit.
| Route | New loan needed? | New appraisal? | Main hurdle on a 2-4 unit |
|---|---|---|---|
| Servicer cancellation, original value | No | No | Balance at 70% of original value |
| Servicer cancellation, current value | No | Servicer valuation | Tighter tier than one-unit homes |
| Midpoint termination | No | No | Wait for loan midpoint, payments current |
| Refinance | Yes | Yes, Form 1025 | New LTV at or under 80% |
When Is a Refinance the Only Way Out?
Three situations push owners toward a refinance.
The loan isn't agency-owned. Servicers of portfolio or privately held loans set their own cancellation policies, and some won't cancel on current value at all.
The mortgage insurance is lender-paid. Borrower-paid PMI can be cancelled. Lender-paid MI can't be cancelled by the borrower. The premium is built into the loan's pricing, so a refinance is typically the exit.
The servicer test fails. Your balance is above the multi-unit threshold, or the servicer's valuation comes back below original value.
An FHA loan is a separate case. FHA insurance isn't PMI, and the usual PMI cancellation tests don't apply to it. A conventional refinance into a loan with no mortgage insurance is how many borrowers end FHA insurance, assuming the new LTV and credit tiers work.
How the Refinance Is Underwritten, Step by Step
Take the process in order. Most failed PMI-drop refinances fail at step one or two, not at the end.
1. Run the new LTV honestly. Divide the new loan amount by the expected appraised value. The new loan amount includes the payoff, financed closing costs and prepaid items rolled in. Fannie Mae's matrix caps LTV, CLTV and HCLTV together, so a HELOC or second lien counts against you.
2. Pick the transaction type. The usual PMI-drop vehicle is the limited cash-out refinance. Per the Fannie Mae Eligibility Matrix, a limited cash-out on a two- to four-unit principal residence goes up to 95% LTV with a Desktop Underwriter (DU) approval. A full cash-out on the same property is capped at 75%. A one-unit home gets 80% on cash-out. Cash-out loans also bring seasoning: the first mortgage being paid off must be at least 12 months old, and the borrower must be on title for 6 months. Final terms depend on the lender's guidelines, the property type, and the borrower's complete credit picture.
3. Clear the credit and ratio screen. On the wholesale conventional programs the file starts at a 620 decision score. The automated finding governs most files, with a total ratio ceiling of 50%. Manually underwritten loans run tighter, at 36% or 45% depending on reserves and score. Credit tiers rise with LTV on two- to four-unit homes, so the closer you sit to 95%, the more your score matters.
4. Document six months of reserves. Fannie Mae's minimum reserve rule requires six months for a two- to four-unit principal residence transaction. One-unit owners have no minimum. This is a real hurdle for owners who have been putting every spare dollar into the building. Retirement accounts and bank balances have to be documented, and the guide page should be checked for its current version.
5. Order the appraisal. Covered in the next section.
6. Confirm no mortgage insurance on the Closing Disclosure. Before you sign the Closing Disclosure, check that the new loan shows no mortgage insurance line. If the appraisal came in low and the LTV crept over 80%, it will.
The Appraisal Is the Whole Game
The appraisal decides whether the new LTV clears the PMI line. On a two- to four-unit home, the report is the Small Residential Income Property Appraisal Report, Form 1025, based on interior and exterior inspection, per Fannie Mae's appraisal guide. A Form 1004, the one-unit report, can be used on a two-unit only in limited cases: both units occupied by co-borrowers, or a second unit that's insignificant in value.
Form 1025 is also a paid, upfront step. You pay for it whether or not the value supports a no-PMI loan. That is the risk to price in before you order.
Three things drive the number:
- Comparable sales for the same unit count. A fourplex is compared to fourplexes, not to nearby single-family homes.
- The condition of every unit. An appraiser walks the units, and deferred maintenance in a rental unit lowers the value.
- The rent schedule. The report records market rent per unit.
If the value comes in light, the fix is a documented reconsideration request with better comps, or a paydown to bring the LTV under the line. Reserve cash for that second option before you order.
What Happens to Rental Income?
Owners of two- to four-unit homes often assume the rent from the other units helps them qualify. It's more complicated than that. Under Fannie Mae's UAD 3.6 policy supplement, rental income from the unit you occupy generally can't be used to qualify, with exceptions for boarder income and accessory dwelling unit (ADU) income. For the subject property, the gross monthly rent for each unit is stated on the loan application or the Form 1037 worksheet, and the lender keeps the supporting documentation.
Keep your leases, deposit records and rent history organized. Whether the rent counts toward qualifying or only supports the appraisal, an incomplete rent picture is a preventable gap in the file.
Where the General Rule Breaks
Financed mortgage insurance. Loans on two- to four-unit properties aren't eligible for delivery to Fannie Mae if they include financed borrower-purchased mortgage insurance, per Selling Guide B7-1-04. You can't roll PMI into the new loan on these homes. If you're above 80%, you pay it monthly or you bring the LTV down.
Closing costs push the LTV up. Closing costs, points and prepaid items can be financed in a cash-out transaction, but every dollar financed raises the new LTV. A balance that creeps over 80% brings PMI back and defeats the purpose.
Second liens and HELOCs. A line of credit taken to renovate a unit counts toward CLTV. It also blocks servicer cancellation, because cancellation requires certifying no subordinate liens. Plan for the second lien to be paid off or subordinated.
Occupancy changes the limits. The same building gets different caps as a principal residence than as an investment property. If you've moved out of the building, the owner-occupied rules no longer describe your situation.
Cash back on a limited cash-out. Fannie Mae's SEL-2025-08 changed the cash-back cap to the greater of 1% of the new loan balance or $2,000. A PMI-drop refinance should not be planned around taking cash out.
HomeReady. The program's limited cash-out for two- to four-unit homes tops out at 95% and carries its own mortgage insurance coverage rules. It has an income limit of 80% of area median income.
A recent purchase. Fresh loans are the hardest to refinance out of PMI because the appraisal has to show real appreciation or a large paydown. The cash-out seasoning rules don't apply to a limited cash-out in the same way, but the economics usually don't work early in the loan.
Break-Even: Does Dropping PMI Pay?
Decide with a break-even, not a feeling. Here is a hypothetical, with no dollar figures: an owner of a triplex has an existing loan with borrower-paid PMI, and a refinance would bring the new LTV to about 78% on the new appraisal. The PMI cost disappears. But the new loan carries new closing costs and a new rate and term.
The test is simple. Divide total refinance costs by the monthly savings. The result is how many months until the refinance pays for itself. If you expect to sell or move within that period, the refinance loses money.
Three variants where it doesn't pay:
- The balance is near the servicer cancellation threshold. A few more months of payments could end PMI for free.
- The existing rate is favorable. Replacing it costs more than the PMI saves.
- The LTV lands just over 80%. You pay for the appraisal and closing costs and keep the PMI.
A refinance also resets the clock. A new loan establishes a new original value, a new termination schedule and, for any later cash-out, a new seasoning period.
How the Decision Looks in Practice
Work through this sequence.
1. Ask your servicer who owns the loan, whether your PMI is borrower-paid or lender-paid, and which cancellation test applies to a two- to four-unit principal residence.
2. Estimate the new LTV with every cost and lien included.
3. If the number is at or under 80% with room to spare, price the refinance against the break-even.
4. If it's over 80% by a thin margin, price a paydown against the PMI you'd keep paying.
5. If you're nowhere close, wait, or ask whether the servicer path opens sooner.
Fannie Mae's Lender Letter LL-2026-07 allows servicers to reach out to borrowers who may qualify for current-value termination, so check your mail and your servicer portal before spending on an appraisal. Details are on Fannie Mae's servicing policy communications page.
For borrowers comparing options, Lendmire's conventional loan programs cover the refinance structures described here. For owners also weighing a cash-out instead, Lendmire's piece Cash-Out Refinance PMI Rules for a 2-4 Unit Primary Home walks through how the 75% cap changes the equation.
If you are weighing a refinance and want the break-even run on your own numbers, Lendmire can help you compare the programs on the same home.
Frequently Asked Questions
Can I cancel PMI on my duplex without refinancing?
Sometimes. If the loan is agency-owned and the PMI is borrower-paid, the servicer may cancel it. For a two- to four-unit principal residence, Fannie Mae's servicing test looks at 70% of original value, and the servicer must confirm current value hasn't fallen. Ask your servicer which test applies before paying for an appraisal.
Does a refinance always get rid of PMI?
No. It does only if the new loan is at or under 80% of the new appraised value. A low appraisal, financed closing costs or a second lien can push the LTV back over the line, and the new loan then carries mortgage insurance.
Can I finance the PMI into the new loan on a triplex?
No. Financed borrower-purchased mortgage insurance isn't eligible on two- to four-unit loans delivered to Fannie Mae. You pay the premium monthly or reduce the loan balance to avoid it.
Why does a 2-4 unit refinance need six months of reserves?
Fannie Mae requires six months of reserves on a two- to four-unit principal residence transaction, and none on a one-unit home. Bank balances and retirement accounts can count when documented. Check the current guide version, since reserve rules are updated from time to time.
Will the rent from my other units help me qualify?
Usually not the rent from the unit you occupy, with limited exceptions for boarder and ADU income. Per-unit rents are still stated on the application or the rent worksheet, and the lender keeps the supporting documents. Strong rent records help the file even where they don't count as qualifying income.
For your own numbers, request a scenario review with Lendmire.
About Lendmire
Lendmire, NMLS# 2371349, is a mortgage brokerage with consumer lending licenses in 16 states. FHA, VA, conventional and jumbo purchase and refinance loans are arranged through wholesale lending partners, and each application is reviewed individually by the lender. Scotsman Guide named Lendmire a Top Mortgage Workplace in both 2025 and 2026.
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References
1. Fannie Mae Selling Guide B7-1-01, Provision of Mortgage Insurance
2. CFPB, When can I remove private mortgage insurance (PMI) from my loan?
3. Fannie Mae Servicing Guide B-8.1-04, Termination of Conventional Mortgage Insurance
4. Freddie Mac Guide Section 8203.3
5. Fannie Mae Eligibility Matrix
6. Fannie Mae Selling Guide B3-4.1-01 Minimum Reserves
7. Fannie Mae's appraisal guide
8. Fannie Mae's UAD 3.6 policy supplement
10. SEL-2025-08
11. Fannie Mae's servicing policy communications page
This article is part of Lendmire’s conventional loan program — full qualification details, guidelines, and scenarios live on the program page.
Related reading: Can You Buy a 2-4 Unit Primary Home With a Conventional Loan? · Can You Refinance Out of PMI Without a New Appraisal? · PMI Appraisal vs Refinance for a First-Time Buyer on a Conventional Loan
Brandon Miller
Founder & CEO, Mortgage Loan Originator, Lendmire LLC
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Disclosures. The information presented in this article is general market commentary, not financial, legal, or tax advice. Lendmire is a mortgage brokerage (NMLS# 2371349) — not a direct lender or depository institution — and loan placement is subject to lender underwriting. Nothing in this content represents a commitment to lend. Loan terms, pricing, and program availability vary based on borrower qualifications, property characteristics, and state of subject property, and are subject to change at any time. Lendmire complies with Equal Housing Opportunity requirements. Consumer access: nmlsconsumeraccess.org.