I talk to apartment owners all the time who are shocked when they hear what I’d actually pay for their building. And it’s not because the number is low. Sometimes it is, sure. But mostly it’s because they’re thinking about it wrong.
Here’s the biggest mistake: pricing off the GRM someone told them about.
“My buddy sold his building for 10x gross. Mine grosses $120K. So it’s worth $1.2M.”
That’s not how this works. Gross rent multipliers ignore expenses. And in multifamily, expenses can vary wildly. Insurance, property taxes, water and sewer (if you’re paying it), maintenance, property management, vacancy. Two buildings grossing the same amount can have completely different NOIs. And NOI is what drives value.
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Calculate Real NOI: Gross rent minus all expenses: insurance, property taxes, water/sewer, maintenance, management, vacancy. Don’t fudge the numbers. -
Inspect the Roof: Flat roofs on multifamily are expensive to replace. A 15-year-old roof means replacement is imminent. Budget $100-150K minimum. -
Get a Reserve for Deferred Items: Older plumbing, windows, balconies, exterior paint — buyers will order a full property inspection and mark down your value for every deferred item. -
Account for Turnover: Unit turnover means painting, carpet, and capital repairs between tenants. Include actual turnover costs from your records. -
Know Your Cap Rate: Once you have real NOI, divide by a 7-8% cap rate to see what an investor would actually pay. That’s your market value range.
A real example
I bought a 12-unit in Fayetteville a while back. Owner was collecting $84K gross. Not bad for the area. But his expenses were eating him alive. Insurance had doubled since he bought the property. He was paying water and sewer on all units. Turnover was constant because he hadn’t updated the units in 15 years. His actual NOI was closer to $32K. At a 7.5 cap that’s a $425K building. He wanted $650K. We closed at $480K after some back and forth. Once I renovate and bump rents, the math will work. But I’m not paying for the future version of his building.
The hard truth about small apartment value
A 12-unit building grossing $84K but with high insurance, old plumbing, a failing roof, and professional management costs might have a real NOI of just $32K — not $84K. At a 7.5% cap rate, that’s a $425K building, not a $840K one. Owners often miss deferred maintenance costs and self-management labor when calculating what they think they should get paid. Buyers won’t miss it.
Deferred maintenance adds up fast
Roofs on multifamily are expensive because you’re usually dealing with flat roofs or modified bitumen. $10-15/SF. On a 10,000 SF footprint that’s $100K-150K. Parking lots, same deal. Windows, exterior paint, balcony repairs if you’ve got them. Old plumbing. Galvanized pipes in a 1970s building? I’m pricing in a repipe.
Related: Industrial Property Insurance
The management problem
A lot of small apartment owners are self-managing. Collecting rent, dealing with maintenance calls, handling move-ins and move-outs, sometimes doing evictions themselves. And they don’t factor their time into the expenses. But a buyer will. Because I’m going to hire a property manager at 8-10% of gross. That comes straight off the NOI.
I see a lot of owners in Rock Hill and Wilmington sitting on 8-20 unit buildings they bought decades ago. The properties have appreciated a ton but the cash flow might not be great because expenses have caught up. And they’re tired. The building’s running them instead of the other way around.
What I’d suggest
If that sounds familiar, here’s my advice: get your actual financials together. Real income, real expenses. Not the version you show your CPA. The one with all the maintenance you paid cash for and the vacancy you don’t want to think about. That’ll give you a realistic NOI and a starting point for what the building is worth.
Or skip all that and just call me. I’ll walk through it with you and tell you where I’d come in. No games. If we’re close, great. If not, no hard feelings.
Seller takeaway
If you own a small apartment building in NC or SC and want to know its real market value, call Roth Capital at 704-600-3839. Jim will walk through your actual income and expenses and give you a number based on real NOI, not guesswork.
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