NAICS 541110
Law Offices in Clayton, CA
The 1 ZIP codes assigned to Clayton contained 3 Law Firm establishments in 2023.
- Establishments (2023)
- 3
- 1 ZIP codes
- 10 or more employees
- n/a
- Practical financing floor
- Share of county
- 1%
- Contra Costa County
- City population
- 10,842
- 2025 estimate
Figures cover the ZIP codes the U.S. Postal Service assigns to Clayton (94517). 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 Clayton'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 | 3 | 100.0% |
Business size mix
Clayton 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 | Clayton | California | Difference |
|---|---|---|---|
| Under 5 employeesOwner-operated, often no management layer | 100.0% | 71.3% | +28.7% |
| 5 to 49 employeesThe range most individual buyers target | 0.0% | 22.1% | -22.1% |
| 10 or more employeesPractical floor for acquisition financing | 0.0% | 11.0% | -11.0% |
Nearest comparable markets
The closest places to Clayton that also have Law Firm 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 |
|---|---|---|
| Concord | 37 | -52% |
| Pittsburg | 6 | -74% |
| Walnut Creek | 235 | +168% |
| Antioch | 12 | -64% |
| Pleasant Hill | 23 | -7% |
The wider Contra Costa County market
Employment and payroll are reported at county level only, so the figures below describe the county Clayton sits in.
- County establishments (2023)
- 519
- Contra Costa County
- County employees
- 2,487
- Mid-March employment
- County annual payroll
- $284M
- All establishments
What acquirers look at
Ownership is restricted to licensed attorneys in California. Relevant to the index as a succession signal and a referral source rather than as an acquisition target.
Other industries in Clayton
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.