NAICS 621111
Physician Practices in Grand Terrace, CA
The 1 ZIP codes assigned to Grand Terrace contained 6 Medical Practice establishments in 2023.
- Establishments (2023)
- 6
- 1 ZIP codes
- 10 or more employees
- n/a
- Practical financing floor
- Share of county
- 0%
- San Bernardino County
- City population
- 12,936
- 2025 estimate
Figures cover the ZIP codes the U.S. Postal Service assigns to Grand Terrace (92313). ZIP areas are not municipal boundaries: they can extend beyond city limits and are shared between neighbouring places. This is a count of establishments in Grand Terrace's ZIP codes, not a count of businesses inside its city limits.
Establishments by size
Employee-count distribution. For most buyers the businesses worth pursuing sit in the 5 to 49 range: large enough to have a manager and real systems, small enough to be owner-operated.
| Employees | Establishments | Share | Distribution |
|---|---|---|---|
| 1-4 | 5 | 83.3% |
Business size mix
Grand Terrace is more fragmented than California as a whole: a larger share of very small operators. Fragmented markets are where roll-ups are assembled, and where an owner nearing retirement has no obvious internal buyer.
| Share of establishments | Grand Terrace | California | Difference |
|---|---|---|---|
| Under 5 employeesOwner-operated, often no management layer | 83.3% | 65.6% | +17.7% |
| 5 to 49 employeesThe range most individual buyers target | 0.0% | 27.4% | -27.4% |
| 10 or more employeesPractical floor for acquisition financing | 0.0% | 12.9% | -12.9% |
Nearest comparable markets
The closest places to Grand Terrace that also have Medical Practice establishments on record. Useful for spotting a gap next door, or realising the market you are looking at is already served from the town over.
| Market | Establishments | Vs state share |
|---|---|---|
| Colton | 33 | +33% |
| Loma Linda | 44 | n/a |
| Rialto | 18 | -49% |
| San Bernardino | 97 | -5% |
| Riverside | 306 | +35% |
The wider San Bernardino County market
Employment and payroll are reported at county level only, so the figures below describe the county Grand Terrace sits in.
- County establishments (2023)
- 1,202
- San Bernardino County
- County employees
- 11,149
- Mid-March employment
- County annual payroll
- $1.2B
- All establishments
What acquirers look at
California’s corporate practice of medicine doctrine restricts lay ownership, so deals are structured as MSO arrangements. Not a first acquisition for an unlicensed buyer.
Other industries in Grand Terrace
Nearby cities
Sources
- U.S. Census Bureau, 2023 ZIP Code Business Patterns. Establishment counts and size distribution by ZIP code and NAICS, aggregated over the ZIP codes assigned to each city. Retrieved 2026-09-08.
- U.S. Census Bureau, 2023 County Business Patterns. Establishment counts, employment and annual payroll by NAICS. Retrieved 2026-09-08.
- U.S. Bureau of Labor Statistics, Quarterly Census of Employment and Wages (2026Q1). Quarterly establishment counts and employment for employers covered by unemployment insurance. Retrieved 2026-09-08.