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Ken Lam Realty · Tools

Live in one unit, rent the rest

House hacking a duplex, triplex or fourplex. See what you really pay each month after rent, vs renting, and the cash you bring to escrow.

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Units in the building
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Loan
$/mo
More settings
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$/yr
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Rate default is the Freddie Mac weekly average for 30-yr fixed (7.24%). Insurance follows the price (about 0.35%/yr) until you type your own quote. 15% set-aside = 5% vacancy + 5% repairs + 5% CapEx, estimate.

What you really pay
$0 /mo
Full house payment (PITI)Principal, interest, tax, insurance, mortgage insurance, HOA$0
− Rent from the other units$0
+ Set aside and shared utilitiesVacancy, repairs, CapEx · estimate$0
Of that, principal you keepLoan paydown, first year average$0
Cash to bring to escrow$0
Loan: $0 · Rate: 0% · Mortgage insurance: $0/mo Rent the lender counts (75%): $0/mo

Rate, insurance, PMI and set-aside are estimates. A lender quote for your credit always wins.

Ask Ken Watch 15-sec video

Email this to yourself

Ken will reply and can find 2–4 unit listings that fit this budget. No spam.

Or text: 408-666-2825

Next steps

  1. Compare every loan type (FHA, 5% conventional, DSCR, investor) in T262 Rental loans.
  2. Check the rent you typed against HUD fair market rents in T51.
  3. Moving out later? Run it as a full rental in T146 Rental cash flow.
  4. See what happens if a unit sits empty or rent drops in T264 Stress test.

Many people get this wrong: "the tenants pay my whole mortgage." In the Bay Area they rarely do. The win is usually smaller: you pay less than rent for a similar place, and part of what you pay is principal that stays yours. Count repairs and empty months, or the math lies to you.