The Homebuyer’s Corner
How Multi-Unit Homes Work:
Pros, Cons, and House Hacking Explained
Written by Armando Novelo, NMLS 237243, a mortgage loan officer in West Covina with over 20 years of experience helping Southern California buyers.
You can buy a duplex, triplex, or fourplex with as little as 3.5% down, live in one unit, and have your tenants help pay your mortgage from day one. That strategy has a name. People call it house hacking. And it is one of the most underused paths to homeownership in the San Gabriel Valley.
Most people do not know this is possible. They assume multi-unit properties require a large down payment and are reserved for investors with deep pockets. Not true. The rules change significantly the moment you decide to live in one of the units. That one decision opens up loan programs most buyers never think to ask about.
What a Multi-Unit Property Actually Is
A multi-unit property is a single building with two, three, or four separate living units. A duplex has two. A triplex has three. A fourplex has four. Each unit has its own entrance, kitchen, and living space. You own the whole building under one loan.
In the San Gabriel Valley and West Covina area, duplexes are trading in the $1 million to $1.65 million range depending on the city, condition, and unit mix. Triplexes and fourplexes go higher from there. That sounds like a lot until you do the actual math on what those properties can generate in rent each month.
How House Hacking Works and What the Numbers Look Like
The strategy is simple. You buy the property, you move into one unit, and you rent out the others. The rent from your tenants offsets your mortgage payment. In some cases it covers most of it.
Here is a real-world example of how the numbers can work in this market.
Say you buy a duplex in the West Covina or Covina area for around $1 million. With an FHA loan at 3.5% down, your down payment is $35,000. Your mortgage payment including taxes and insurance is going to run somewhere in the neighborhood of $6,500 to $7,000 a month depending on your rate and loan terms. The second unit on a duplex in this market rents for roughly $2,000 to $2,800 a month. So your actual out-of-pocket housing cost drops to somewhere between $3,700 and $5,000 a month. You are building equity in a $1 million property for less than what a lot of people pay in rent around here.
That is the strategy. Not magic. Just math.
The Down Payment Situation Most People Get Wrong
This is the part that surprises almost everyone.
When you buy a multi-unit property as an investor, meaning you are not going to live there, you typically need 20 to 25 percent down. On a $1 million duplex that is $200,000 to $250,000. Most people hear that number and stop the conversation.
But when you live in one of the units, the rules change completely. FHA loans allow you to put 3.5% down on properties up to four units as long as you occupy one. Conventional loans can go as low as 5% down on a two-unit property. If you are a veteran or active duty, a VA loan lets you buy up to a four-unit property with zero down as long as you live in one.
The occupancy requirement is not a loophole. It is how these programs were designed. The government wants people to become homeowners, and living in a multi-unit property qualifies. You just have to know to ask.
The Real Pros of Buying a Multi-Unit Property
Rental income from day one. You are not waiting to build equity before you see a financial benefit from the property. The rent starts coming in the month your tenants move in and it goes directly toward offsetting what you owe.
A lower effective housing payment. Most buyers who house hack in this market end up paying significantly less out of pocket each month than they would renting a comparable place on their own. Some get close to zero. The numbers depend on the property and the rents, but the direction is always the same.
An entry point into real estate investing. Buying a multi-unit as your primary residence is one of the most accessible ways to become a landlord without needing investor-level capital. Some of the clients I am most proud of started exactly this way and now own multiple properties generating serious cash flow.
Equity building at an accelerated pace. You are paying down a mortgage on a property worth more than a typical single family home, with income helping you do it. The wealth building potential over ten or twenty years is real.
The Real Cons You Need to Go In Knowing
You are a landlord on day one. There is no easing into it. If the toilet in unit two breaks at 9pm on a Saturday, that is your problem. Some people are built for that. Others find out the hard way they are not. Be honest with yourself before you commit.
You are sharing your property with other households. This is not a single family home where you close the door and the world disappears. You share walls, driveways, sometimes yards. How much that bothers you depends entirely on the property layout and your personality. Worth thinking about before you buy.
Maintenance covers multiple units. A roof leak affects the whole building. An electrical issue might affect two units at once. The physical and financial responsibility of ownership scales with the number of units.
Tenant management is an ongoing job. Screening applicants, handling lease renewals, dealing with late payments, navigating tenant issues. It is not constant work, but it is real work. If that sounds unappealing rather than manageable, a single family home might be a better fit. There is no shame in knowing yourself.
Who This Strategy Actually Works For
Multi-unit house hacking makes the most sense if you are comfortable being hands-on with a property, you want to reduce your effective housing cost while you build equity, you are thinking about real estate as a long-term wealth strategy and not just a place to live, or you want to get into investment real estate without needing 20% down on an investment property.
It is not for everyone. If privacy is your top priority, if you have zero interest in managing tenants, or if you just want a straightforward home to raise your family in, that is a completely legitimate choice. That path is covered in detail in the single family home article here.
One More Thing Worth Knowing
The clients I have worked with who used this strategy do not regret it. Not a single one. What they do say, every time, is they wish they had done it sooner.
The math works. The loan programs exist. The inventory is out there. The main thing standing between most buyers and this strategy is not money. It is not qualifying. It is not even the market. It is not knowing it was an option.
Don't sleep on this one.
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Article Published: April 21, 2026
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Armando Novelo
NMLS 237243
Super Mortgage Bros
1900 W. Garvey Ave S. #100
West Covina, CA 91790
Phone: (626) 200-1838
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