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Buying a 2-4 unit / multi-family home in California.

A 2–4 unit property (a duplex, triplex, or fourplex) lets you live in one unit and rent the others — a strategy called house hacking. The rent can help cover your mortgage. This page explains how multi-family financing works in California, in plain language.

This is one of the smartest ways for California buyers to offset high housing costs. Let’s look at how.

A row of California multi-unit homes on a quiet street
Quick answer

A 2–4 unit property can be financed with great terms if you live in one unit (owner-occupied). You may use FHA with 3.5% down, a VA loan with 0% down (for eligible veterans), or a conventional loan. The rent from the other units can help you qualify. Loan limits are higher for multi-unit properties than for single-family homes.

What this means

A multi-family home is both a place to live and a small investment. The big advantage: if you live in one unit, the property is owner-occupied, which unlocks low-down-payment loans normally reserved for primary homes.

So you can:

Buy with as little as 3.5% down (FHA) or 0% (VA).
Use the other units’ rent to help qualify.
Have tenants help pay your mortgage.

This is very different from buying a pure rental, which needs more down. See Investor (Purchase).

Step by step

How it works

1
Plan to live in one unit. This keeps it owner-occupied.
2
Choose your loan. FHA, VA, or conventional.
3
Use projected rent. Lenders may count a portion of the other units’ rent to help you qualify.
4
Show reserves. Multi-unit loans often require savings left over.
5
Appraisal. Includes a rent estimate for the units.
6
Close and rent out. You live in one unit and rent the others.

House hacking explained

“House hacking” means buying a 2–4 unit home, living in one unit, and renting the rest. The rent offsets your mortgage, sometimes covering most of it. It is a popular way to afford a home in expensive California markets and to start building rental income.

Loan limits for multi-unit

Loan limits increase with the number of units. A duplex has a higher limit than a single-family home, a triplex higher still, and a fourplex the highest. For example, FHA duplex limits in high-cost California counties reach about $1,599,375 in 2026. Always check your county’s limits for the unit count.

Requirements (at a glance)

RequirementTypical 2-4 unit rule
OccupancyLive in one unit for the best terms
Down payment3.5% (FHA), 0% (VA), or more (conventional)
Credit score~580+ (FHA), ~620+ (conventional)
ReservesOften required
Rental incomeMay help you qualify

Benefits

Tenants help pay. Rent offsets your mortgage.
Low down payment. As little as 3.5% (FHA) or 0% (VA) when owner-occupied.
Higher loan limits. More units, higher limits.
Build wealth. Live in one unit while growing equity and income.
Future flexibility. Move out later and rent all units.

Potential drawbacks (the honest part)

You are a landlord. Tenants and repairs take time.
Reserves required. Lenders want savings left over.
Vacancy risk. Empty units mean you cover more yourself.
More complex. Appraisals and underwriting consider rent.
Tenant laws. California has strong tenant protections to follow.
Real-world California examples

What it looks like in practice

House hacking in Long Beach
House hacking in Long Beach

The Lee family buys a duplex with an FHA loan, lives in one unit, and rents the other. The rent covers a big part of their mortgage.

VA fourplex in San Diego
VA fourplex in San Diego

A veteran uses a VA loan with no down payment to buy a fourplex, living in one unit and renting three. See VA.

Moving up later in Sacramento
Moving up later in Sacramento

Maria buys a triplex, lives in one unit for a few years, then moves out and rents all three, turning it into a full rental.

Examples are for learning only. Your options depend on your finances and the property.

Common mistakes

1Forgetting you become a landlord. Tenants and upkeep are real work.
2Ignoring reserves. Lenders want savings left over.
3Overlooking tenant laws. California has strong protections.
4Assuming rent always covers the mortgage. Budget for vacancies.
5Missing the higher loan limits. Multi-unit limits are higher.
6Buying as “owner-occupied” without living there. You must actually occupy a unit.
Good questions

Frequently asked questions

A duplex (2), triplex (3), or fourplex (4) — multiple units in one property.

Next steps

A 2–4 unit home lets tenants help pay your mortgage while you build equity.

A powerful strategy in pricey California. Start by getting pre-approved and confirming the loan limits for the unit count. EZ Online Mortgage can help you structure an owner-occupied multi-family purchase and use rental income to qualify.

Get Pre-Approved (818) 305-6704
Keep learning

This page is for education only. It is not a loan offer or a promise of approval, rates, or terms. Landlord and tenant laws apply, and qualification depends on your individual circumstances. Equal Housing Opportunity · NMLS #362311 · CA DRE #01871814.

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