Selling Your Dental Practice Without the Year-One Tax Bomb
If you're a 55-70 year old dentist with 20-35 years in the chair and Heartland Dental, Pacific Dental Services, Aspen Dental, MB2 Dental, Smile Brands, North American Dental Group, Great Expressions, Dental Care Alliance, Mid-Atlantic Dental Partners, or a regional DSO is offering $1.5M-$8M for your practice — congratulations. The DSO consolidation wave is still rolling.
Buyer cash → Assignment Co. → A-rated carrier → You, on schedule
The catch: a cash-and-rollover DSO deal drops the full cash portion into your tax return in year one. Combined federal + state taxes typically eat 32-40% of proceeds.
The math — $4M dental practice sale, single owner
Assumptions: $4M sale, 80% goodwill ($3.2M), 15% equipment ($600K), 5% supplies ($200K). §1245 equipment recapture and supply inventory are year-one (NOT deferrable). Goodwill is deferred under §453.
Dental-practice-specific tax wrinkles
- Goodwill vs personal goodwill (Martin Ice Cream / Howard). If goodwill is "personal," it may give better seller treatment in some deal structures. Most DSO deals are corporate-goodwill (entity sale). Worth discussing with M&A counsel before structuring.
- DSO cash + rollover equity mix. Typical: 60-80% cash, 20-40% rollover. The cash portion is §453-eligible. Rollover equity has its own deferral mechanic.
- §1245 recapture on equipment. CEREC, CBCT, intraoral scanners, lasers — high-dollar equipment under accelerated schedules. Recapture in year one.
- Supply inventory (Henry Schein, Patterson). Ordinary income on sale; carve out separately.
- State dental board ownership transfer. Each state has its own; doesn't affect §453 mechanic.
- Specialty vs general practice. Endodontists, periodontists, oral surgeons typically command higher multiples and higher goodwill % (better §453 leverage).
- Earn-out tied to retention. Earn-out portion may be ordinary income vs LTCG; structure matters.
When this fits
- Practice sale $1.5M+ (carrier minimums on deferred portion)
- High goodwill % (most DSO deals qualify)
- Seller retiring or stepping back (not rolling 100% equity)
- DSO with M&A counsel who's papered §453 (Heartland, PDS, Aspen, MB2 — all have)
When it doesn't
- Mostly equipment sale, low goodwill
- 100% rollover equity deal (no cash to structure)
- Sale under $1.5M
How I work
Hans Goldstein, IRC §453 specialist. A-Rated Carrier, A-Rated Carrier, A-Rated Carrier, A-Rated Carrier — all 50 states. Free fit-check call.
Frequently asked
Q: My DSO deal is 70% cash / 30% rollover. Does §453 work on both? A: §453 works on the cash portion. The rollover equity has its own §351-like deferral mechanic if structured properly. Two layered deferrals.
Q: I'm selling to a private dentist (not a DSO). Does §453 still work? A: Yes if the buyer's counsel is willing to paper the assignment. Smaller buyers' counsel sometimes hasn't done this — but the mechanic is straightforward.
Q: My goodwill is 85% of the deal. Is that the right number for §453 leverage? A: Excellent. The higher the goodwill %, the more §453-deferrable gain.
📘 Get the free Seller's Guide to §453 + a fit-check
A plain-English guide for sellers: how a structured installment sale defers the tax when you sell a business, practice, or property — the math, the alternatives, and how to know if your deal fits.
Drop your info — instant PDF download + within 1 business day Hans will email a preliminary read on which structure fits your deal. No retainer. Carrier compensates the broker — not you.
📞 Hans Goldstein · 615-808-9731 · CA Insurance License #4322192 · Independent §453 specialist · Goldstein & Co. LLC
Educational. Not tax or legal advice.
Run your specific numbers
The calculator runs your sale through real 2026 federal + state tax brackets and shows §453 savings vs lump sum side-by-side.
Run the calculator → 615-808-9731