Dental Practice Overhead Benchmarks in Washington (2026)

The average general dentist in private practice took home $215,320 last year on average gross billings of $965,660, according to the ADA Health Policy Institute's Survey of Dental Practice. That means $750,340 left the building before the owner got paid. Some of that gap is write-offs and uncollected billings rather than true expense, but the owner still never touches it, and that is the number that should be keeping Washington practice owners up at night rather than any tidy percentage.

Here's our position, and plenty of owners and their CPAs will push back on it: a Washington general practice running at 60% overhead on collections in 2026 is not healthy and not average. It's drifting, and the target should be 54% to 56% with a written plan to get there inside 18 months. The national benchmark bands were built on national cost inputs. Payroll and occupancy in the Puget Sound corridor do not behave like national cost inputs, and pretending otherwise is how owners spend three good years congratulating themselves on being "right at benchmark" while their take-home flattens.

The 62% Benchmark Is Measured on a Denominator You Don't Use

Start with the fact that the published benchmarks disagree with each other, and they disagree on denominators. Dental Practice Insider puts total overhead at 58% to 65% of gross collections for general practices, splitting it into staff and payroll at 25% to 28%, dental supplies at 5% to 7%, lab fees at 7% to 10%, and occupancy at 5% to 8%, with DSO-managed offices running 62% to 70%. Dental CPA USA pegs industry-wide overhead at roughly 62% of production, with staff at 22% to 26% of collections, supplies at 5% to 8%, lab at 10% to 15%, and rent at 5% to 9%.

Look at what just happened there. Lab fees are 7% to 10% in one source and 10% to 15% in the other. Staff costs are 25% to 28% in one and 22% to 26% in the other. And one benchmark is stated against production while the other is against collections. In a practice writing off 20% of billings to PPO schedules, production and collections are different universes, and an overhead figure measured against production will always look better than the same practice measured against what actually hit the bank.

So when an owner says "we run at 62%," the first question is: 62% of what, and does the number include owner compensation, associate pay, debt service, and the personal expenses your accountant parked in the practice? Most of the time the answer is a shrug. That is not a benchmark. That is a vibe.

Reimbursement Up 19%, Wages Up 23%, Inflation Up 27%

The reason we're arguing for a lower target than the published band is that the cost structure and the revenue structure have been moving in opposite directions for five years running.

Per the ADA HPI's State of the U.S. Dental Economy, Q2 2026 update, since January 2021 dental equipment and supply prices have risen 23% and hourly earnings of dental office staff have risen 23%, against overall inflation of 27% (p.17). That part is manageable. The part that isn't: the provider reimbursement rate index rose only 19% over the same window against that 27% inflation (p.18). That's an eight-point real cut to the price of the work, applied to every plan-covered procedure, compounding quietly, with no letter announcing it.

This is the distinction we call Drift vs. Erosion. Supply prices tracking three points under general inflation is drift: annoying, operational, fixable with a purchasing review and a second distributor. Reimbursement running eight points behind inflation for five straight years is erosion: structural, compounding, and immune to operational effort. You cannot cost-control your way out of a payer contract that repriced your work downward in real terms. Treating that as drift is the expensive mistake, and it is the single most common error we see in practices that look fine on paper and feel broke in the checkbook.

What Most Owners Get Wrong: Managing a Ratio Instead of a Run Rate

The specific mistake: owners manage the overhead percentage instead of the overhead dollars, and the owners who make it most are the ones with the best bookkeeping. If you get a clean monthly P&L with a percentage-of-collections column, you will naturally manage the column. And the column lies in one specific way: it improves when production goes up even if every cost in the building went up too.

A practice that adds $80,000 of collections and $44,000 of cost has just improved its overhead percentage and reduced its margin of safety. Fixed costs went up permanently. Revenue went up conditionally. The ratio says you won. The run rate says you now need a fuller schedule to break even than you did last year.

The second version of this mistake is benchmarking against the practice next door instead of against your own chair capacity. In the Practice Market Index, our dataset built from 925 dental practices currently listed for sale, the median practice on the market has 5 operatories (middle half 4 to 7, n=754) and collects a median $200,000 per operatory (middle half $146,875 to $268,708, n=643). Those are asking-side practices, not a portrait of all practices, but the spread is the useful part: the gap between the 25th and 75th percentile of collections per chair is about $122,000. Two practices with identical 60% overhead percentages and identical operatory counts can be $500,000 apart in collections, which means one of them is underusing four walls it pays rent on all twelve months.

Our view: overhead percentage is the wrong primary metric for an owner. Use two instead. Fixed cost per clinical day, and collections per operatory. Both are dollars, both move when you act, and neither one flatters you for growing badly.

A $962,525 Practice: 60% vs 55% Is $48,126

Take Washington specifically. In the Practice Market Index, Washington practices listed for sale show median collections of $962,525, with the middle half between $687,500 and $1,550,000 (n=24). Again, that's the asking side of the market, not a statewide average. But it's a realistic scale for a mature Puget Sound general practice, so let's run the money at that level.

At 60% overhead, cost is $577,515 and $385,010 is left for the owner and debt service. At 55%, cost is $529,389 and $433,136 remains. Those five points are worth $48,126 a year, every year, with no new patients, no new chair, and no additional clinical hours.

Where do five points come from? Three moves, none heroic:

• Staff at 25% instead of 28% of collections is worth $28,876 a year. That is not a layoff. In most practices it's scheduling: matching hygiene and assistant hours to actual chair demand instead of to a fixed template.
• Lab at 9% instead of 12% is worth another $28,876. Given that the published benchmarks put lab anywhere from 7% to 15%, this is the line with the most unexamined money in it.
• Supplies at 6% instead of 7.5% is worth $14,438.

Capture all three and you've moved 7.5 points, which is more than the five you needed. Realistically you capture half. Now add the revenue side: if 35% of collections are fee-for-service, that's $336,884, and a 4% fee increase on that portion adds $13,475 that drops almost entirely to the bottom line.

Now the fixed-cost view, which is the one that changes behavior. That $577,515 of annual cost across roughly 250 business days is $2,310 a day. A doctor day lost to a last-minute cancellation with no fill costs you $2,310 whether you're at benchmark or not. And on 5 operatories, $962,525 works out to $192,505 per chair, just under the $200,000 median for listed practices in our index. If you're running six or seven chairs at that same collections level, your occupancy and equipment costs are carrying dead space.

Occupancy and Payroll Bite Harder West of the Cascades

Here's the Washington-specific argument. The national bands put occupancy at 5% to 8% of collections and rent at 5% to 9%. On $962,525, the bottom of that range is $48,126 and the top is $86,627, a spread of $38,501 on one line item. Our read: a general practice in a Seattle, Bellevue, or Tacoma retail location is living in the top half of that band, not the middle, and it is not getting a corresponding lift in what payers pay for a crown.

Payroll works the same way. You compete for hygienists and experienced assistants against hospital systems, against DSO groups running 62% to 70% overhead because they can absorb it at scale, and against every other high-wage employer in the metro. That's exactly why we won't accept a national 60% as a passing grade here: in a high-cost metro, hitting the national average on occupancy and payroll means you are overpaying relative to the revenue the local fee schedules allow.

The associate math follows. BLS puts the median annual wage for dentists at $176,110 as of May 2025, with the 10th percentile below $89,100 and the 90th above $337,210. An associate on 30% of collections producing $600,000 earns $180,000, right at the median. That deal works only if the associate's production is genuinely incremental and fills chairs you already pay for. Bolt an associate onto a practice with no unused capacity and you've added a six-figure cost to buy back your own schedule.

The Plans We'd Put on Notice

If PPO plans deliver 55% of your collections, that's $529,389 of revenue exposed to a reimbursement index that has run eight points behind inflation since 2021. Applied to that share, the real erosion is about $42,351 a year in purchasing power.

We wouldn't quietly renew those contracts again. Rank every plan by collections per chair hour, not by patient count or by total revenue. The bottom two plans in most Washington general practices are consuming premium chair time at a rate that no supply negotiation will ever offset. Ask for a schedule increase in writing, set a decision date, and if the answer is no, cut the weakest plan and hold the hours for the next-best payer. A plan that repriced your work downward for five years has already told you what it thinks of the relationship.

Four Numbers to Pull This Week

Pull twelve months of collections and total expenses, then compute one number: total cost divided by clinical days. That's what an empty chair costs you. Next, split collections by payer and divide each payer's collections by the chair hours it consumed, and rank them. Then pull your lab invoices for the last quarter as a percentage of collections and see whether you're closer to 9% or 15%. Do those three things before you touch staffing, because payroll is the line where an uninformed cut costs you more than it saves.

We'll be watching two things: whether the reimbursement rate index closes any of its eight-point gap in the second half of 2026, and whether asking-side collections in Washington hold their current level as more practices list. If staff wage growth falls below reimbursement growth for two consecutive quarters, we'd soften the low-50s target and say so. Until then, percentages are how you describe a practice, and dollars are how you run one.

If you want to see where your own overhead actually sits against these categories rather than against a remembered benchmark, our overhead calculator takes your collections and expense lines and breaks them into staff, supplies, lab, and occupancy so you can see which single line is costing you the most against the Washington cost base. Run your own numbers and find out whether your five points are sitting in the lab bill or the schedule.