NAICS 541330
Engineering Services in Sierra Madre, CA
The 1 ZIP codes assigned to Sierra Madre contained 3 Engineering establishments in 2023.
- Establishments (2023)
- 3
- 1 ZIP codes
- 10 or more employees
- n/a
- Practical financing floor
- Share of county
- 0%
- Los Angeles County
- City population
- 10,620
- 2025 estimate
Figures cover the ZIP codes the U.S. Postal Service assigns to Sierra Madre (91024). 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 Sierra Madre'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
Sierra Madre 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 | Sierra Madre | California | Difference |
|---|---|---|---|
| Under 5 employeesOwner-operated, often no management layer | 100.0% | 52.8% | +47.2% |
| 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 Sierra Madre 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 |
|---|---|---|
| Arcadia | 14 | -44% |
| Monrovia | 17 | +58% |
| Temple City | 6 | -29% |
| San Marino | 4 | -25% |
| Pasadena | 96 | +53% |
The wider Los Angeles County market
Employment and payroll are reported at county level only, so the figures below describe the county Sierra Madre sits in.
- County establishments (2023)
- 1,734
- Los Angeles County
- County employees
- 20,563
- Mid-March employment
- County annual payroll
- $2.5B
- 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 Sierra Madre
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.