Mortgage education
House Hacking: Buy a 2–4 Unit Home and Let Rent Help You Qualify
It's one of the most powerful moves available to a first-time buyer: purchase a two-to-four unit property, live in one unit, and rent out the rest. Your tenants help pay your mortgage, and the projected rent can help you qualify for the loan in the first place.
How the strategy works
When you buy a multi-unit property and live in one of the units, you're still considered an owner-occupant — which means you can use owner-occupant loan programs, including FHA and VA, with their low or zero down payment. The other units are rented out, and that rental income does two things: it helps cover your monthly payment, and a portion of it can be counted toward the income you qualify on.
Up to four units, still low down
This surprises a lot of buyers: FHA and VA both allow properties with up to four units while you occupy one. So a fourplex — four rentable units, one of which is your home — can potentially be bought with a very low down payment, rather than the large down payment an investor would need for the same building.
How projected rent boosts your qualifying income
Because you won't occupy the other units, the lender looks at their market rent — usually established by the appraiser — and credits a portion of it (commonly around 75%, to allow for vacancy and upkeep) toward your income. That added income can lift what you're able to qualify for, sometimes turning a property that seemed out of reach into one that pencils out.
The rules to know
- Owner-occupancy is required. You must actually live in one of the units, typically within a set timeframe after closing, and usually for at least a year.
- The FHA self-sufficiency test. For three and four-unit FHA purchases, the property often has to be "self-sufficient" — meaning the market rents need to cover the mortgage payment. This protects you from buying a building that can't carry itself.
- Reserves. Lenders may want to see some cash cushion left after closing on multi-unit properties.
Why it's such a strong first move
House hacking can turn the math of homeownership around. Instead of shouldering the full payment alone, your tenants cover part or even most of it. You build equity, gain landlord experience, and position yourself to repeat the process later. It's how many investors got their start — while living in the property the whole time.
Whether VA or FHA is the better fit depends on your eligibility and situation — the guides linked below cover each in detail.
Your situation is what matters
If living in one unit while tenants cover the rest sounds like your kind of move, let's look at what you'd qualify for on a 2–4 unit property. It's often more than people expect.