NAICS 238910

Septic & Water Well Services in Pacifica, CA

The 1 ZIP codes assigned to Pacifica contained 4 Septic & Well establishments in 2023.

Establishments (2023)
4
1 ZIP codes
10 or more employees
n/a
Practical financing floor
Share of county
10%
San Mateo County
City population
36,890
2025 estimate

Figures cover the ZIP codes the U.S. Postal Service assigns to Pacifica (94044). 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 Pacifica'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.

EmployeesEstablishmentsShareDistribution
1-4375.0%

How this market compares

Pacifica 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.

Densely served0.63% of local businesses, against 0.19% statewide

This industry takes up a far larger slice of the local business base than it does statewide. A crowded market: expect established competitors and price pressure, but also a deeper pool of businesses to buy.

Vs state share
+233%
Share of local businesses
Rank by count
#138
of 201 cities
Rank by share
#31
of 175 ranked
Since 2021
+33%
Change in establishments

This compares how much of Pacifica’s business base is septic & water well services, against the California figure. Base: 637 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

Pacifica 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 establishmentsPacificaCaliforniaDifference
Under 5 employeesOwner-operated, often no management layer75.0%35.1%+39.9%
5 to 49 employeesThe range most individual buyers target0.0%9.4%-9.4%
10 or more employeesPractical floor for acquisition financing0.0%6.3%-6.3%

Nearest comparable markets

The closest places to Pacifica that also have Septic & Well 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
Burlingame3-27%
South San Francisco4-7%
San Carlos3+17%
Redwood City6-3%
Oakland18-7%

The wider San Mateo County market

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

County establishments (2023)
42
San Mateo County
County employees
478
Mid-March employment
County annual payroll
$49M
All establishments
Full Septic & Well data for San Mateo County

What acquirers look at

Regulated, permit-gated and essentially recession-proof in rural markets. Very high owner age and almost no institutional competition for deals.

Other industries in Pacifica

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.