Yes, you can own a house and rent an apartment at the same time. No law prevents it, and the arrangement is common when a job, a relationship, or a school takes you somewhere your house isn’t. The complications are practical rather than legal: your mortgage probably requires you to have lived in the house for a minimum period, your taxes shift depending on what you do with the house after you leave, and your insurance on both places needs to match how each is actually being used.
What Your Mortgage Requires Before You Move Out
Most residential mortgages carry an occupancy clause tied to how you filled out the loan application. On Fannie Mae’s Uniform Residential Loan Application (Form 1003), you declared the property as a primary residence, a second home, or an investment. Primary-residence loans come with the lowest rates and smallest down payments, and in exchange you agreed to move in within 60 days of closing and keep the home as your main residence for at least 12 months.
That 12-month clock is the one to watch. Close in March and sign an apartment lease in September, and you’re in potential violation of the occupancy affidavit. Wait out the year, and you have room to relocate, rent the house, or leave it sitting while you live somewhere else.
Misrepresenting your intended occupancy to get a better rate is a federal offense under 18 U.S.C. ยง 1014, which covers false statements to federally connected lenders, with penalties reaching $1,000,000 in fines and 30 years in prison.1Office of the Law Revision Counsel. 18 USC 1014 – Loan and Credit Applications Generally Prosecutions of isolated early-movers are rare. The everyday risk is the lender calling the loan due and demanding full repayment.
If the house is paid off, none of this applies. The occupancy clause is a term of the mortgage, so without a mortgage you can live wherever you want and do whatever you want with the house.
One related point on financing. Investment-property loans are more expensive than primary-residence loans: down payments run 15% to 25% instead of as little as 3%, and rates typically run at least half a point higher, sometimes a full point or more. Getting a primary-residence rate while planning from day one to rent the property is the kind of misrepresentation the statute above targets.
Qualifying for the Apartment
Landlords look at whether you can carry a mortgage payment and rent at the same time. The usual measure is debt-to-income: your total monthly obligations, including the mortgage, taxes, insurance, other debt, and the proposed rent, divided by your gross monthly income. Most landlords want that ratio somewhere around 40% to 45%, though the threshold varies by property manager.
Expect more paperwork than a typical renter provides. Plan on your most recent mortgage statement, two or three recent pay stubs or W-2s, and a credit report that shows your current mortgage balance and payment history. A clean record of on-time mortgage payments works in your favor, since it shows you already handle a large recurring bill.
If you’re planning to rent out the house to cover its mortgage, bring the signed tenant lease with you. That documentation shows the mortgage payment isn’t competing with the apartment rent for the same paycheck.
Security deposits vary by state. Some cap deposits at one month’s rent, others allow two, and some set no cap. A landlord looking at a big existing mortgage balance may ask for whatever the local law allows, and a few months of combined mortgage and rent sitting in a savings account can help make the case.
What Happens to the House After You Leave
Your two realistic options after moving into the apartment are leaving the house empty or renting it out. Each choice has consequences that reach beyond the mortgage.
Before you rent, check whether you’re allowed to. Homeowners associations commonly restrict rentals, sometimes capping the percentage of units that can be leased at once or requiring minimum lease terms of 30 days or more. If the HOA’s rental cap is already full, you may not be able to rent the house at all. Municipal zoning adds another layer: many cities require a permit to operate a residential rental, and some limit short-term rentals to an owner’s primary residence, which yours no longer is once you’ve moved into the apartment.
Tax Consequences of Owning One and Renting the Other
The tax picture depends on whether the house is your primary residence, a second home, or a rental, and on how long each of those labels applies.
Mortgage Interest and SALT
You can deduct mortgage interest on up to $750,000 of acquisition debt across a primary home and one second home, or $375,000 if married filing separately.2Internal Revenue Service. Publication 936 (2025), Home Mortgage Interest Deduction Rent on the apartment is not deductible federally, though a small number of local jurisdictions offer a renter’s credit.
The state and local tax deduction, which covers property taxes plus state income or sales taxes, was capped at $10,000 from 2018 through 2024. The One Big Beautiful Bill Act raised the cap to $40,000 for 2025 and $40,400 for 2026, with 1% annual increases through 2029. A phasedown begins for higher earners: in 2026, the cap starts shrinking once modified adjusted gross income exceeds $500,500, though it can’t fall below $10,000. Married couples filing separately get half these amounts.
Homestead Exemption
Many local governments knock down property taxes on a home the owner lives in as a primary residence. Move into an apartment full-time and the house may no longer qualify. Losing the exemption can add 10% to 20% to the annual property tax bill, depending on the jurisdiction. Some counties allow a temporary absence of a year or two without forfeiting it, so check with the county tax assessor before you go.
Passive Losses on Rental Income
Renting the house puts the income and expenses on Schedule E, and any net loss is generally passive, meaning you can’t deduct it against wages or other active income. There’s an exception. If you actively participate in managing the rental by approving tenants, setting rent, and authorizing repairs, you can deduct up to $25,000 of rental losses against nonpassive income.3Internal Revenue Service. Publication 925 (2025), Passive Activity and At-Risk Rules
The $25,000 allowance phases out as modified adjusted gross income rises above $100,000 and disappears at $150,000. Married taxpayers filing separately and living apart get a reduced $12,500 allowance with a phaseout starting at $50,000. Losses you can’t use this year carry forward.3Internal Revenue Service. Publication 925 (2025), Passive Activity and At-Risk Rules
Protecting the Capital Gains Exclusion
This is where the biggest dollars sit. When you sell a primary residence, you can exclude up to $250,000 of gain, or $500,000 for a married couple filing jointly, if you owned and used the home as your principal residence for at least two of the five years before the sale.4Office of the Law Revision Counsel. 26 USC 121 – Exclusion of Gain From Sale of Principal Residence
The two years don’t have to be back-to-back. Live in the house three years, move to the apartment and rent the house out for two, then sell, and you still qualify. Stay in the apartment four years before selling, though, and the five-year lookback closes behind you. On a house that has appreciated meaningfully, that timing mistake can cost tens of thousands in federal tax.5Internal Revenue Service. Publication 523, Selling Your Home
Even when you qualify, there’s a catch for any period the house was rented. You cannot exclude the portion of the gain attributable to depreciation deductions you claimed or were allowed to claim while it was a rental. That depreciation recapture is taxed at up to 25%, and the gain may also be subject to the 3.8% net investment income tax.6Internal Revenue Service. Property (Basis, Sale of Home, Etc.) 5 The IRS reduces your basis by depreciation that was allowable under the law even if you never actually claimed it, so track depreciation carefully and mind the five-year clock before you list.
Insurance on Both Places
Insurance is where people most often assume they’re covered when they aren’t.
If the House Sits Empty
A standard homeowners policy typically includes a vacancy clause that limits or excludes claims for vandalism, water damage, and theft after the home has been unoccupied for 30 to 60 days. If you’re going to leave it empty longer than a month, call your insurer about a vacancy endorsement or a dedicated vacant-property policy.
If You Rent It Out
A standard homeowners policy won’t cover a house you’ve turned into a rental. You need a landlord policy, sometimes called a DP-3, which covers the structure, provides liability protection for tenant-related incidents, and often includes fair-rental-value coverage that replaces lost rent if the house becomes uninhabitable from a covered event. Expect to pay roughly 25% more than a standard homeowners policy.
The Apartment
Most landlords require renters insurance, an HO-4 policy, and it’s worth carrying even when they don’t. It covers your belongings and provides personal liability protection, averaging around $170 a year nationally.
Umbrella Coverage
With liability exposure in two locations, a personal umbrella policy sits above your homeowners or landlord policy and your renters policy and picks up where those limits run out. Umbrella coverage typically starts at $1 million and is relatively cheap for the protection it provides. It’s especially worth considering when tenants are living in your house, since a serious injury on the property can generate a claim beyond a standard landlord policy’s liability limit.
Living in Two States
Owning in one state and renting in another can pull you into two state tax systems. Rules vary, but most states use some mix of two tests: where your legal domicile is (your permanent home, the place you intend to return to) and how many days you’re physically present. Several states will treat you as a statutory resident if you maintain a permanent place of abode there and spend more than about 183 days in the state during the year, even if your domicile is elsewhere.
The practical risk is being taxed by both states on the same income. Most states offer a credit for taxes paid to another state, but the credits don’t always fully offset the overlap, and filing in two states adds cost and complication. Changing your domicile takes more than signing a new lease. Update your voter registration, driver’s license, and mailing address, and be ready to show you actually left the old state if a tax authority asks.
Domicile also affects where you vote, where you serve on a jury, and which state’s law governs your estate. If you split time between two places, pick one as your permanent home and keep your records consistent. A voter registration in one state and a driver’s license in another is the kind of mismatch that draws attention from both tax authorities.