NAICS 524210

Insurance Agencies & Brokerages in San Carlos, CA

The 1 ZIP codes assigned to San Carlos contained 11 Insurance Agency establishments in 2023.

Establishments (2023)
11
1 ZIP codes
10 or more employees
n/a
Practical financing floor
Share of county
5%
San Mateo County
City population
29,261
2025 estimate

Figures cover the ZIP codes the U.S. Postal Service assigns to San Carlos (94070). 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 San Carlos' 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.

EmployeesEstablishmentsShareDistribution
1-4763.6%
5-9436.4%

How this market compares

San Carlos against every other city in California on the same measure. City figures cover the ZIP codes assigned to the place rather than its municipal boundary, so they are compared as a share of the businesses in those same ZIP codes rather than per resident. Cities with fewer than 500 businesses in total are left unranked.

Below average0.81% of local businesses, against 1.32% statewide

A smaller slice of the local business base than the statewide share. Often an underserved market, though it can also mean the work is done by firms based in a neighbouring town.

Vs state share
-39%
Share of local businesses
Rank by count
#243
of 369 cities
Rank by share
#257
of 298 ranked
Since 2020
-35%
Change in establishments

This compares how much of San Carlos’s business base is insurance agencies & brokerages, against the California figure. Base: 1,357 establishments across all industries in the same ZIP codes, 2023. It does not measure revenue, profitability or whether a market is worth entering.

Business size mix

San Carlos 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 establishmentsSan CarlosCaliforniaDifference
Under 5 employeesOwner-operated, often no management layer63.6%73.5%-9.8%
5 to 49 employeesThe range most individual buyers target36.4%14.7%+21.7%
10 or more employeesPractical floor for acquisition financing0.0%3.7%-3.7%

Nearest comparable markets

The closest places to San Carlos that also have Insurance Agency 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.

MarketEstablishmentsVs state share
Belmont8-13%
Redwood City34-21%
San Mateo67+18%
Menlo Park11-53%
Burlingame33+14%

The wider San Mateo County market

Employment and payroll are reported at county level only, so the figures below describe the county San Carlos sits in.

County establishments (2023)
244
San Mateo County
County employees
2,064
Mid-March employment
County annual payroll
$303M
All establishments
Full Insurance Agency data for San Mateo County

What acquirers look at

Renewal commission streams behave like an annuity, which is why these command the highest multiples in small business. Carrier appointment transfer is the gating diligence item.

Other industries in San Carlos

Nearby cities

Sources

  1. 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.
  2. U.S. Census Bureau, 2023 County Business Patterns. Establishment counts, employment and annual payroll by NAICS. Retrieved 2026-09-08.
  3. 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.