Second home mortgage rates typically run about 0.25% to 0.50% higher than rates on a primary residence for a borrower with the same credit and down payment, and investment property rates are steeper still at 0.50% to 0.75% above primary rates. The spread is driven mostly by loan-level fees that Fannie Mae and Freddie Mac charge on second home loans, which lenders usually bake into the rate instead of collecting at closing. On top of that pricing, you’ll need a bigger down payment, more cash reserves, and a property that meets specific occupancy rules.
How Much More You’ll Actually Pay
A quarter to a half percentage point sounds small. It isn’t. On a $400,000 loan over 30 years, a 0.50% increase adds roughly $48,000 in interest over the life of the mortgage. That is the baseline gap; the exact number you’re quoted depends on how much you put down and how the lender chooses to structure the fee.
Most lenders don’t hand you the fee as a line item at closing. They absorb it and recover it through a slightly higher rate. If you’d rather see it as an upfront cost and get a lower rate, ask. Either way you’re paying it.
The Fannie Mae Fees Behind the Rate Premium
Fannie Mae and Freddie Mac charge loan-level price adjustments (LLPAs) on every second home mortgage they buy. These fees are separate from the ones tied to your credit score and they scale with your loan-to-value ratio. As of the January 2026 Fannie Mae matrix, second home purchase LLPAs are:
- LTV at or below 60%: 1.125% of the loan amount
- LTV 60.01%–70%: 1.625%
- LTV 70.01%–75%: 2.125%
- LTV 75.01%–80%: 3.375%
- LTV 80.01%–90%: 4.125%
On a $400,000 mortgage at 80% LTV, the 3.375% fee equals $13,500 in added cost.1Fannie Mae. Loan-Level Price Adjustment Matrix The Federal Housing Finance Agency raised these fees sharply in April 2022, and they’ve stayed at those elevated levels since.
The steep jump between the 75% and 80% LTV bands is worth staring at. If you’re close to the line, putting down enough to bring your LTV to 75% or lower drops the fee by more than a full percentage point of the loan amount. That can noticeably improve your quoted rate.
What Actually Qualifies as a Second Home
The classification controls both your rate and your tax treatment, and lenders check it closely. Under Fannie Mae’s guide, the property must be a one-unit dwelling, suitable for year-round use, occupied by you for some portion of the year, and not subject to any timeshare or rental management arrangement that hands occupancy control to someone else.2Fannie Mae. Occupancy Types
Many lenders also apply a distance rule, commonly around 50 miles from your primary residence, to confirm the home is a genuine getaway rather than a local rental. The specific distance varies by lender. You’ll sign an occupancy affidavit at closing certifying personal use.
Duplexes, triplexes, and fourplexes don’t qualify for second home treatment, even if you plan to live in one of the units. Multi-unit vacation properties get investment property rates and terms.
Renting It Out Can Blow Up the Classification
Listing the home on a short-term rental platform for most of the year will get it reclassified as an investment property, which means higher rates, a larger down payment, and different tax reporting. Occasional rental is fine. Primary purpose has to remain personal use.
Down Payment, Credit, Reserves, and DTI
Qualifying is harder in every category than for a primary residence, and the requirements interact.
Down Payment
Plan on at least 10% down for a conventional second home loan. That is the Fannie Mae minimum; individual lenders often set their own floor at 15% or 20% depending on your profile. Compare that to primary residence programs allowing as little as 3% conventional or 3.5% FHA. And because your down payment drives your LTV, putting down 25% or more can meaningfully lower the LLPA baked into your rate.
Credit Score
Lenders have historically wanted 680 to 720 minimum, with higher scores expected when you already have multiple financed properties. Fannie Mae’s Desktop Underwriter has moved away from rigid score cutoffs toward a holistic look at the whole file, but in practice a score in the low-to-mid 700s gets you the best pricing, and anything below 680 makes approval difficult.
Reserves
Fannie Mae requires a minimum of two months of mortgage payment reserves on a second home purchase. Each month has to cover full principal, interest, taxes, insurance, and any association dues. Funds must sit in liquid accounts, such as checking, savings, or brokerage, and be verified through recent statements.3Fannie Mae. Minimum Reserve Requirements Additional reserves kick in if you own multiple financed properties.
You’ll see plenty of advice claiming second homes require six months of reserves. That figure applies to investment properties and certain cash-out refinances, not standard second home purchases. Confirm the actual requirement with your lender rather than assuming the higher number.
Debt-to-Income Ratio
Your DTI calculation has to include both mortgage payments plus all recurring debts. Most lenders cap the back-end ratio around 43% to 45% of gross monthly income. Automated underwriting can approve somewhat higher ratios when you have compensating factors like a strong credit score or substantial assets.
FHA and VA Loans Are Off the Table
Both programs require the borrower to occupy the financed property as a primary residence. You cannot use an FHA or VA loan to buy a vacation home. That leaves conventional financing through Fannie Mae or Freddie Mac, portfolio loans from banks and credit unions, or jumbo loans for properties above the 2026 conforming loan limit.4FHFA. FHFA Announces Conforming Loan Limit Values for 2026
Tax Rules That Offset Some of the Cost
A second home comes with real tax benefits, but each has conditions that catch buyers off guard.
Mortgage Interest Deduction
You can deduct mortgage interest on a second home the same way you deduct it on your primary, if you itemize. Combined mortgage debt on both homes is capped at $750,000 for loans taken out after December 15, 2017 ($375,000 married filing separately). Older mortgages fall under the previous $1 million cap. The home must have sleeping, cooking, and toilet facilities to qualify as a residence.5Internal Revenue Service. Publication 936, Home Mortgage Interest Deduction
The 14-Day Rental Rule
Rent the home for fewer than 15 days in the year and you don’t have to report any of that income. The trade-off is that you also can’t deduct rental expenses. It’s a genuinely tax-free window, especially valuable near major events or in peak-demand areas.6Office of the Law Revision Counsel. 26 U.S. Code 280A
Cross 15 days and all rental income becomes reportable, with expenses split between personal and rental use. To keep claiming the mortgage interest deduction on a rented second home, your personal use has to exceed 14 days or 10% of the total rental days, whichever is longer. Fall below that and the IRS treats the property as rental property rather than a second residence.5Internal Revenue Service. Publication 936, Home Mortgage Interest Deduction
Property Tax and the SALT Cap
Property taxes on the second home are deductible, but they count against the state and local tax cap. For 2026, that cap is $40,400. If your state income taxes plus property taxes on your primary already fill the cap, the second home’s property taxes add nothing to your deduction.
Insurance and the Costs Nobody Quotes You
Homeowners insurance on a second home usually costs more than on a primary. Insurers price in the risk of undetected damage, delayed claims, and break-ins when the home sits empty for stretches. Flood coverage widens the gap further: the National Flood Insurance Program charges a $250 annual surcharge on non-primary residences versus $25 on a primary home, on top of the base premium.7FEMA. Answers to Questions About the NFIP
Then there are the carrying costs you don’t see on any mortgage calculator: winterization in cold climates, year-round lawn care and pest control, a property manager or trusted neighbor to check on things, and higher baseline utility bills from keeping the home habitable while empty. The mortgage is the predictable part. Everything else is what decides whether the second home makes financial sense.