The FHA 203k lets you buy up to a 4-unit property with 3.5% down AND wrap the renovation into the loan. If you live in one unit for a year, you keep it. Here’s the full playbook.
Why house hacking with 203k is a cheat code
Most first-time investors think they need $50,000–$100,000 to get started. They stare at DSCR loans, hard money, 20%-down conventional – and they get stuck.
Meanwhile, the FHA 203k lets you buy a fully-renovated four-flat for less than $20,000 out of pocket. You just have to live in it for a year.
The rules
- 1–4 unit property (single family, duplex, triplex, four-flat)
- You must occupy one unit as your primary residence for 12+ months
- 3.5% down on total (purchase + rehab) with 580+ credit
- Rental income from other units can help you qualify
- After 12 months, you can move out and rent all units
- You can only have one FHA loan at a time (refinance out after 12 months to get a second)
2026 Illinois FHA limits for multi-unit
- 2-unit: $693,050
- 3-unit: $837,700
- 4-unit: $1,041,125
These are total loan limits – purchase price PLUS rehab combined.
Sample math: Chicago three-flat
Sample scenario only – not an actual client file. Individual results vary.
- Purchase price: $345,000
- Rehab budget: $140,000 (full rehab all three units)
- Total loan: $485,000
- Down payment (3.5%): $16,975
- After-repair appraised value: $620,000
- Monthly mortgage payment (PITI + MIP @ 7%): ~$3,650
- Unit 2 rent: $1,750/mo
- Unit 3 rent: $1,800/mo
- Total rental income: $3,550/mo
- Your net housing cost: $100/mo
- Equity at close: $135,000
Year-one strategy
- Close and move into unit 1
- Contractor renovates all units
- Rent units 2 and 3 immediately (yes, during your occupancy)
- Live there 12 months minimum
- Build equity as rents rise and you pay down principal
Year-two strategy (advanced)
- Move out – the FHA owner-occupancy requirement is satisfied
- Rent unit 1 for the full market rate. Now all three units are rented.
- Option A: Refinance into a conventional loan, drop FHA mortgage insurance, pull cash out for the next down payment
- Option B: Buy another 2–4 unit with a new FHA 203k (this works if you refinanced the first one out of FHA)
- Repeat
Who qualifies for this strategy?
- Credit score 620+ (for smoother approval on multi-unit)
- Stable income for 2+ years
- Cash on hand for down payment, closing costs, and 2–3 months of reserves
- Willingness to be a landlord (even if hands-off with a property manager)
- Ability to live in the building for at least a year
Common mistakes
Underestimating the rehab
Multi-unit rehabs are harder than they look. Older buildings in Chicago often have knob-and-tube wiring, lead paint, asbestos, failing roofs, and 100 years of deferred maintenance. Budget generously.
Picking a contractor who’s never done a 203k
203k has strict draw schedules, consultant oversight, and paperwork requirements. Your brother-in-law who “does remodels” won’t make it through. We have a network of contractors who actually understand the program.
Treating unit 1 as a permanent home
The 203k plays best when you treat unit 1 as a 12-month commitment, not a forever home. Don’t over-upgrade it. Keep it rent-ready from day one.
Forgetting about rental income qualification
Many lenders don’t know that rental income from the OTHER units can help you qualify for the loan. We count 75% of projected market rent toward your DTI – this often pushes borderline buyers into approval.
The tax angle
Ask your CPA, not us (we’re not tax pros). But in general: the portion of the building used as a rental (units 2, 3, 4) generates deductible expenses – interest, depreciation, repairs, property taxes. This often means your cash flow looks better to the IRS than on paper.
Getting started
Pre-qualify and let’s look at what you can afford. On a typical 720-credit, $75k-income borrower, we often pre-qualify people for up to $450k–$600k total loan amounts – enough for a real multi-unit play in Chicago’s South Side, Southwest Side, or near-west suburbs.