NAICS 621111
Physician Practices in Hercules, CA
The 1 ZIP codes assigned to Hercules contained 5 Medical Practice establishments in 2023.
- Establishments (2023)
- 5
- 1 ZIP codes
- 10 or more employees
- n/a
- Practical financing floor
- Share of county
- 1%
- Contra Costa County
- City population
- 26,326
- 2025 estimate
Figures cover the ZIP codes the U.S. Postal Service assigns to Hercules (94547). 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 Hercules' ZIP codes, not a count of businesses inside its city limits.
Business size mix
Hercules is more consolidated than California as a whole: fewer micro-operators and a larger share of businesses with real headcount. Fewer targets, but the ones that exist are more likely to be financeable.
| Share of establishments | Hercules | California | Difference |
|---|---|---|---|
| Under 5 employeesOwner-operated, often no management layer | 0.0% | 65.6% | -65.6% |
| 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 Hercules 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 |
|---|---|---|
| Pinole | 15 | n/a |
| San Pablo | 19 | -17% |
| Vallejo | 27 | -45% |
| El Cerrito | 8 | -53% |
| Benicia | 7 | -72% |
The wider Contra Costa County market
Employment and payroll are reported at county level only, so the figures below describe the county Hercules sits in.
- County establishments (2023)
- 632
- Contra Costa County
- County employees
- 6,181
- Mid-March employment
- County annual payroll
- $819M
- 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 Hercules
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.