Dental Office Rent as a Percentage of Collections: The Rule of Thumb and When It Breaks
The rule of thumb is simple: rent should run 5 to 7 percent of your collections. Under 5 percent and your space is cheap relative to production. Over 7 percent and the lease is quietly eating the margin you think you have.
Put real numbers on it. A practice collecting $1M a year has a rent budget of $50K to $70K, which is roughly $4,200 to $5,800 a month all-in. Collecting $600K? Your ceiling is closer to $3,500 a month. If you're signing a lease before you know your collections, work backward from a conservative year-two projection, not the broker's pro forma.
Where the rule breaks
1. Startups and slow ramps. In your first 18 to 24 months, rent at 10 to 15 percent of collections is normal because the denominator is small. Judge the lease against projected year-three collections instead. If it's still above 8 percent at mature volume, the space is too big or too expensive.
2. High-cost metros. In San Francisco, Manhattan, or downtown Boston, 8 to 9 percent may be the price of being where the patients are. That can still work, but only if your fee schedule is priced for the zip code. High rent plus PPO write-offs is the combination that kills.
3. Rural and small-town practices. Owners routinely run 3 to 4 percent here. If you're rural and paying 7 percent, you're overpaying for the market, and it's worth pulling comps before your next renewal.
4. You own the building. Pay yourself market rent through the practice anyway. It keeps your P&L honest, and when you sell, buyers and DSOs will price the practice off a real occupancy cost, not a $1 sweetheart lease.
Three lease terms that move the number
The percentage isn't just the base rent. Watch these:
Annual escalators. A 3 percent annual bump compounds to 34 percent higher rent over ten years. If your collections grow slower than that, your rent percentage creeps up every single year. Push for 2 percent or CPI-capped.
CAM charges. Common area maintenance can add 15 to 25 percent on top of base rent in retail centers, and it's often estimated low in year one. Ask for the actual CAM history, not the estimate.
TI allowance. A landlord contributing $40 to $60 per square foot toward buildout changes the math on a slightly pricier space. Dental buildouts run $200 to $350 per square foot, so the allowance is real money.
The occupancy number that matters at sale
When a buyer or DSO looks at your practice, occupancy cost is one of the first lines they normalize. A practice at 5 percent occupancy is worth more than the same practice at 9 percent, dollar for dollar of EBITDA, because the lease obligation transfers. Rent is one of the overhead lines you set once and live with for a decade, which is why it deserves more negotiation than it usually gets.
For how rent fits into the full overhead picture by region, see our overhead by state benchmarks. And if a sale is on your horizon, the acquisition due diligence checklist covers how buyers will read your lease.
