NAICS 541330
Engineering Services in Fairfax, CA
The 1 ZIP codes assigned to Fairfax contained 5 Engineering establishments in 2023.
- Establishments (2023)
- 5
- 1 ZIP codes
- 10 or more employees
- n/a
- Practical financing floor
- Share of county
- 6%
- Marin County
- City population
- 7,417
- 2025 estimate
Figures cover the ZIP codes the U.S. Postal Service assigns to Fairfax (94930). 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 Fairfax'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 | 4 | 80.0% |
Business size mix
Fairfax 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 | Fairfax | California | Difference |
|---|---|---|---|
| Under 5 employeesOwner-operated, often no management layer | 80.0% | 52.8% | +27.2% |
| 5 to 49 employeesThe range most individual buyers target | 0.0% | 23.9% | -23.9% |
| 10 or more employeesPractical floor for acquisition financing | 0.0% | 16.5% | -16.5% |
Nearest comparable markets
The closest places to Fairfax that also have Engineering 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 |
|---|---|---|
| San Rafael | 27 | +5% |
| Larkspur | 4 | n/a |
| Mill Valley | 7 | -33% |
| Novato | 19 | +24% |
| Sausalito | 10 | +71% |
The wider Marin County market
Employment and payroll are reported at county level only, so the figures below describe the county Fairfax sits in.
- County establishments (2023)
- 85
- Marin County
- County employees
- 536
- Mid-March employment
- County annual payroll
- $68M
- All establishments
What acquirers look at
Value sits in licensed professional engineers and public-agency prequalification, both of which are people-dependent. Retention packages are mandatory.
Other industries in Fairfax
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.