Buying a Duplex in Chattanooga: What I'd Check First

Quick answer: Buying a duplex in Chattanooga can be a solid first investment if the price works with realistic rents, the zoning allows two units, and you budget for two of everything. Get pre-approved first. If you'll live in one side, ask about owner-occupant loans. Verify leases and meters, inspect both units, and pick the neighborhood before the building.

I once walked a buyer through a duplex in Highland Park. They opened the second front door, looked around, and said, "Wait, so I get paid to own the other half?" Pretty much. That's the whole pitch in one sentence. But there's a lot of fine print between that sentence and an actual rent check.

If you're thinking about buying a duplex in Chattanooga, you're in good company. Two-unit properties are one of the most common ways regular folks get into rentals around here. You can usually finance them like a house, they feel manageable, and you don't have to buy a whole apartment complex to find out whether you like being a landlord.

Here's what I'd want you to know before you sign anything.

Is buying a duplex in Chattanooga a good investment?

It can be. It can also be a very expensive way to learn how plumbing works. The difference usually comes down to three things: the price you pay, the rent the units can really get, and what's hiding behind the walls.

Duplexes here come in all kinds. Some are tidy brick side-by-sides that were built as duplexes on purpose. Others are big old houses somebody split in half during the Carter administration with a few sheets of drywall and a lot of confidence. Both can work. They just aren't the same animal.

The good news is that people keep moving here for jobs, the outdoors, and the fact that you can paddle the river before lunch. All those people need somewhere to live. A clean duplex on a decent street is usually an easy sell to a good tenant.

What should you look for when buying a duplex in Chattanooga?

This is where I get picky. Here's my short list:

• Is it a legal duplex? Make sure the zoning and permits allow two units. A "bonus apartment" in the basement isn't the same thing, and the city won't care how nice the tile is.
• Separate meters. Ideally each unit has its own electric meter, and its own gas meter if there's gas. If the owner pays everybody's power bill, that money walks out the door every month. Water is often shared, so find out who pays it.
• Two of everything. Two HVAC systems, two water heaters, two kitchens. That's twice the rent, but it's also twice the stuff that can break on a holiday weekend.
• Existing leases. If tenants come with the property, read every lease. Get the rent roll, the deposits, and any side deals. "He pays me in cash and sometimes tomatoes" is not a rent roll.
• Parking. Two households usually means at least two cars. On some of our narrow older streets, parking turns into a daily game of Tetris.

And get a full inspection on both units. Don't settle for one unit and "the other side's just like it." I promise you, the other side is never just like it.

How do you finance a duplex?

Here's one of the best things about a duplex: lenders generally treat two-to-four unit properties as residential, not commercial. That means you can often get a regular mortgage instead of a commercial loan with shorter terms and more hoops.

If you'll live in one side, you may qualify for owner-occupant loans like FHA, VA, or conventional, which can mean a smaller down payment than a pure investment purchase. Some lenders will even count part of the expected rent from the other unit toward your income. The rules vary, so talk to a lender who's actually closed these. Your cousin who refinanced once and now has opinions doesn't count.

If you're buying purely as an investor and not moving in, plan on a bigger down payment and a somewhat higher rate. That's not a dealbreaker. It just changes the math.

What do the numbers need to look like?

Let's keep it simple with a made-up example. Say you're looking at a $350,000 duplex, and each side could realistically rent for $1,400. That's $2,800 a month coming in. Sounds great, right?

Now subtract the stuff people forget:

• Mortgage, taxes, and insurance
• Vacancy, because somebody always moves out eventually
• Everyday repairs and upkeep
• Big replacements down the road, like the roof, HVAC, and water heaters
• Property management, even if you plan to do it yourself (your time isn't free)
• Any utilities you're stuck paying

Whatever's left is your real cash flow. If that number makes you squint, you have your answer. Don't fall in love with a duplex because it has a cute porch. Porches don't pay mortgages.

One more thing: use what the units will actually rent for, not what the listing says they "could" rent for. "Could" does a lot of heavy lifting in real estate ads. I've written a few of those ads myself, so I'm allowed to say that.

Where do duplexes make sense around Chattanooga?

You'll find duplexes all over town, but they cluster in older neighborhoods where houses sit close together and the streets were laid out before anybody had heard of a cul-de-sac. Think Highland Park, East Lake, Ridgedale, St. Elmo, parts of North Chattanooga, Red Bank, and Brainerd.

Each area has its own personality. Spots close to downtown and UTC pull renters who want to walk to coffee. More affordable pockets tend to draw longer-term tenants who just want fair rent and a quiet street. Some are a quick hop to Highway 153, which is great until you actually have to drive on Highway 153.

My advice is to pick the neighborhood first, then hunt for the duplex. A great property on a rough block will fight you every step of the way. You can see what's on the market right now in our Chattanooga home search. Keep an eye out for multi-family listings.

Mistakes I see people make buying a duplex in Chattanooga

• Trusting the seller's numbers. Verify everything. Ask for proof that the rent actually gets paid.
• Skipping the sewer scope. Old neighborhoods have old pipes, plus tree roots that have been plotting since the Eisenhower years.
• Not looking hard at the tenant you'd inherit. A great building with a tough lease situation can be a headache for a while. Know what you're stepping into.
• Living next door without boundaries. If you move into one side, you're the landlord AND the neighbor. Set ground rules early, or you'll be fixing a garbage disposal at 10 p.m. on a Sunday in your pajamas.
• Ignoring the exit. Who buys this from you someday? Another investor? Somebody who wants to live in one side? Know your buyer before you're the seller.

Should a duplex be your first rental?

For a lot of people, yes. A duplex is the training wheels of rental property. You learn screening, repairs, leases, and budgeting with two units instead of twenty. If you mess up, you mess up small.

But it's not passive income in a box. It's a small business with a roof on it. Go in with clear eyes, real numbers, and a healthy reserve fund, and a duplex can carry you a long way. If you want more plain-English breakdowns like this one, there's plenty more on Housing Explained.

Buy it for the numbers, not the porch swing. The porch swing won't cover the water heater.