House Hacking a Triplex with FHA: Real Numbers From an Actual Deal

You found a triplex listed at $385,000. Two units are rented at $1,100 each, and the third needs about $8,000 in work before you can move in. Your agent mentioned FHA financing. Your parents think you're crazy for wanting to be a landlord at 27. You're trying to figure out if the numbers work.

Here is the short version. With 3.5% down at an example rate of 6.75%, this triplex takes about $31,075 in cash, carries a total payment of $3,172 a month, and costs you $972 a month to live in after the two rents, or $1,623 once you budget honestly for vacancy, repairs and utilities. It also fails the FHA self-sufficiency test as listed, which means FHA will not lend 96.5% on it at this price and these rents. Every one of those numbers is worked out below, and you can run your own version in the house hack calculator.

I bought my first triplex in 2019 using FHA. I made mistakes, learned a lot, and eventually bought two more small multifamily properties. Here's what I wish someone had shown me before that first deal. If you want the strategy overview first, read the house hacking guide.

Why FHA Works for House Hacking (and Where It Doesn't)

FHA lets you buy a 2-4 unit property with 3.5% down, as long as you live in one unit and intend to stay about a year. On a $385,000 triplex, that's $13,475 down versus $77,000 for a conventional 20% down payment. The difference in barrier to entry is massive.

But FHA comes with costs that conventional loans don't. The percentages below are the examples used throughout this post. HUD changes them from time to time, so look up the current figures before you underwrite:

• Upfront Mortgage Insurance Premium (UFMIP): example 1.75% of the base loan amount, usually rolled into the loan
• Annual MIP: example 0.55% of the loan balance, paid monthly, generally for the life of the loan when you put down the minimum
• Property standards: The property must meet HUD's Minimum Property Requirements, which can kill deals on older buildings
• Loan limits: FHA caps the loan amount by county and by unit count. The link in the first paragraph goes to HUD's lookup tool, so check the three-unit limit for your county

On a $371,525 base loan (after 3.5% down), that upfront MIP adds $6,502 to your loan balance. Your monthly MIP payment starts around $170 and slowly decreases as you pay down principal.

This is where people get confused. They see the low down payment and ignore the ongoing cost. Over a 7-year hold, you'll pay roughly $13,700 in monthly MIP on top of the upfront premium. That's real money.

But here's my take: if you don't have $77,000 sitting around, the MIP is the cost of getting started. You can refinance into a conventional loan once you have about 20% equity, which can happen faster than you'd expect with a value-add triplex. If you do have more cash or strong credit, compare against 5% down conventional financing, and if you're a veteran, against the VA loan house hack.

The Rental Income Qualification Trick

FHA lenders can count 75% of the rental income from the units you won't occupy toward qualifying for the loan. This matters because it means you're not qualifying based solely on your W-2 income.

Here's how it works with our $385,000 triplex:

• Gross rent from two units: $1,100 × 2 = $2,200/month
• FHA qualifying income: $2,200 × 0.75 = $1,650/month

That $1,650 gets added to your income when calculating your debt-to-income ratio. If you make $65,000/year ($5,417/month), your qualifying income becomes $7,067/month.

A common benchmark is total debt payments (including the new mortgage) under about 43% of your qualifying income, though lenders can go higher or lower depending on your file. With $7,067 in qualifying income, 43% allows up to $3,039 in monthly debt payments. Notice that the $3,172 payment on this deal is already above that before a car loan or student loans, so this buyer would need a stronger file, a co-borrower or a cheaper building.

This math is why people who couldn't qualify for a $350,000 single-family home can sometimes qualify for a $400,000 triplex. The rental income does the heavy lifting.

Running the Actual Numbers on a $385,000 Triplex

Let me show you what this looks like month by month. These are example numbers for a Midwest market, with an example interest rate. Swap in your own quotes.

Purchase details:

• Purchase price: $385,000
• Down payment (3.5%): $13,475
• Closing costs: $9,600
• Unit 3 renovation: $8,000
• Total cash needed: $31,075

Loan details:

• Base loan: $371,525
• UFMIP (example 1.75%): $6,502
• Total loan: $378,027
• Interest rate (example): 6.75%, 30-year fixed
• Monthly P&I: $2,452
• Monthly MIP (example 0.55% of the base loan): $170
• Property taxes: $385/month
• Insurance: $165/month
• Total PITI + MIP: $3,172/month

Income:

• Unit 1 rent: $1,100
• Unit 2 rent: $1,100
• Unit 3: You live here
• Gross rental income: $2,200/month

Your out-of-pocket housing cost:

$3,172 (total payment) - $2,200 (rent collected) = $972/month

You're living in a 3-bedroom unit for $972/month, building equity, and getting landlord experience. In most markets, a comparable apartment would rent for $1,200 to $1,500.

What About Expenses Beyond the Mortgage?

This is where new investors get burned. That $972/month assumes everything goes perfectly. It won't.

You need to budget for:

With full expense loading, your real numbers look like this:

• $2,200 (rent) - $651 (expenses) = $1,549 net operating income
• $3,172 (payment) - $1,549 (NOI) = $1,623/month out of pocket

That's about two thirds higher than the simple calculation. This is the number I use when I'm analyzing a deal, because it accounts for reality. On an older building, the CapEx line probably needs to be higher still. The post on capex reserves by building age shows how to size it.

At $1,623/month you are paying a bit more than the $1,200 to $1,500 a comparable apartment would cost. What you get for the difference:

• The $651 of reserves is money you set aside, not money you've spent. In a quiet year, much of it stays in your account
• You build equity (about $336/month goes to principal in year one)
• You get tax benefits from depreciation on the rental portion
• You learn to be a landlord while living on site

The "Live Free" Math Everyone Talks About

You've probably seen posts claiming you can live for free by house hacking. Let's see what that requires.

To break even on our triplex (with full expense loading):

• Required NOI = $3,172/month
• Required gross rent (at a 30% expense ratio, so NOI is 70% of rent) = $4,531/month
• Per-unit rent needed (2 units) = $2,266/month

You'd need to collect $2,266 per unit to live for free with proper reserves, more than double the $1,100 these units bring in. On a $385,000 triplex, that's not realistic in most markets.

Here's what gets people to "live free" in practice:

1. Buy below market: Find a mismanaged property where rents are 15% to 20% under market. After stabilization, your income jumps. See analyzing a rental with below-market rents for how to underwrite that.
2. Add a unit: Convert a basement or garage to a legal ADU where zoning allows it. Now you have three paying units instead of two.
3. Rent one unit short term: A furnished unit rented by the night or the month can gross more than a 12-month lease in the right location, with more work and more vacancy. Check your local short-term rental rules first, and compare the two approaches in short-term vs long-term rental strategy.
4. House hack a fourplex instead: Four units means three rent-paying tenants. The math gets much easier.

I lived "free" (negative $47/month cash flow to me, to be exact) for 11 months in my second property, a fourplex. But I bought it off-market from a tired landlord, rents were 22% below market, and I put in sweat equity renovating the vacant unit myself.

What Can Actually Go Wrong

Deferred maintenance surprises. I bought my triplex knowing the roof had 5 to 7 years left. What I didn't know was that the main sewer line had root intrusion. Three months in, I had sewage backing up into the basement. Cost: $4,200 for sewer line replacement. My reserves covered it, but barely.

Get a sewer scope. Every time. It costs a few hundred dollars and can save you thousands.

Tenant turnover timing. My Unit 2 tenant gave notice two weeks after closing. So instead of collecting $1,100/month from day one, I had a vacant unit during my first month as a landlord. I found a new tenant in 19 days, but that was 19 days of panic, showings after work, and no rental income.

Assume you'll have turnover in year one. Budget for it.

The FHA self-sufficiency test. FHA has a rule for 3-4 unit properties: the property must be "self-sufficient," meaning 75% of the total market rent from all units (including the one you'll live in) must cover the full mortgage payment, which is principal, interest, taxes, insurance and MIP.

Our triplex math:

• Total potential rent: $1,100 × 3 = $3,300/month
• 75% of total rent: $2,475/month
• Mortgage payment (PITI + MIP): $3,172/month

This property fails the self-sufficiency test by almost $700 a month. FHA will not make the 96.5% loan. The lender would have to shrink the loan until the payment fits under $2,475, and at the example rate that means a base loan of about $272,700 and roughly $112,000 down instead of $13,475.

This kills a lot of triplex deals. You need either lower purchase prices, higher rents, or lower interest rates to pass. The appraiser's rent estimate is what counts, not the listing sheet. Always run this calculation before falling in love with a property. Duplexes are not subject to the test, which is one reason the duplex vs triplex comparison is worth reading before you commit to three units.

The Long-Term Wealth Building Angle

House hacking isn't about living free today. It's about what happens over five to seven years.

Let's project our triplex forward five years, assuming the 3.5% down loan were available (for example, because market rents appraise high enough to pass the test), plus:

• 3% annual rent increases
• 3% annual appreciation
• Principal paydown on schedule

After five years, you have about $91,000 in equity on paper, most of it from the assumed appreciation. You've been living near market rent the entire time while someone else's rent paid most of the mortgage. At about 80% loan to value, you now have options:

• Refinance into a conventional loan and drop the MIP
• Sell and roll the equity into your next down payment
• Move out and rent all three units

Here is what that last option looks like if you move out in year 5 and rent Unit 3 at the same grown rent as the others ($1,275 each):

The refinance column assumes a new 30-year loan on the $354,875 balance at the same example 6.75%, taxes and insurance held at $550, and no closing costs rolled in. At these rents the building is still slightly negative as a pure rental. It turns positive with a lower rate, with rents above about $1,360 per unit, or with both.

Not life-changing money, and not yet a cash cow. But you would own a $446,000 asset with around $91,000 in equity that you bought with $31,000 out of pocket, and your own housing was subsidized the whole way. For how to measure that return properly, see the cash-on-cash return guide.

Is a Triplex the Right Move?

Triplexes sit in an awkward middle ground. Duplexes are easier to find and finance. Fourplexes give you better per-door economics. Triplexes often have weird layouts (one unit is always the oddball) and can be harder to sell later because the buyer pool is smaller.

I'd buy a triplex if:

• It's priced right for the market (not paying a premium for the third unit)
• The layout makes sense (three similar units, not two nice ones and a basement apartment)
• It passes the FHA self-sufficiency test
• The numbers work even with conservative assumptions

I'd skip it if:

• A comparable fourplex is available (almost always better economics)
• The third unit needs major work and you don't have the budget
• You're stretching to make the self-sufficiency test work

Running Your Own Analysis

The example I walked through is one deal in one market. Your numbers will be different. Interest rates change. Local rent-to-price ratios vary wildly. Property taxes in New Jersey look nothing like property taxes in Indiana.

Plug your specific deal into the house hack calculator to see your monthly cost, cash-on-cash return, and break-even rent assumptions. Run it with conservative expense estimates first, then see how the numbers change if everything goes right. If this is your first purchase, house hacking in 2026: the math every first-timer should know covers cash to close under each loan type.

The goal isn't to find a deal that works if you're lucky. The goal is to find a deal that works even when things go sideways.