NAICS 238910 · California overview

Septic & Water Well Services in Los Angeles County

Los Angeles County had 365 Septic & Well establishments in 2023, ranking 1 of 50 California counties and accounting for 13.5% of the statewide total.

Establishments (2023)
365
Rank 1 of 50 counties
Employees
4,735
Mid-March employment
Annual payroll
$357M
All establishments
Per 10k residents
0.4
9,694,934 residents

More recent reading

BLS QCEW, 2026Q1

The figures above are County Business Patterns, which carries the size distribution but runs about two years behind. The Bureau of Labor Statistics publishes quarterly, so this is the same industry roughly 3 years later. The two count different universes, Census counts establishments with paid employees in the March pay period and BLS counts worksites covered by unemployment insurance during the quarter, so the numbers are not directly comparable and either can be the larger.

Establishments
319
2026Q1
Employment
3,377
Quarter-end level
Average weekly wage
$1,545
Per covered worker
Quarterly trend
+3.6%
2025Q2 to 2026Q1
Concentration vs the national averageBLS, 2026Q1

0.29 location quotient. Septic & Well employment in Los Angeles County is about 3.5 times less concentrated than in the United States as a whole.

Computed by the Bureau of Labor Statistics, not derived here. Above 1.0 means the industry is a larger share of local employment than of national employment.

Establishments by size

Employee-count distribution for Septic & Well in Los Angeles County. 112 of 365 establishments (31%) employ 10 or more people, the practical floor for most acquisition financing.

EmployeesEstablishmentsShareDistribution
1-420155.1%
5-95214.2%
10-195114.0%
20-494311.8%
50-9992.5%
100-24992.5%

Establishment trend

Year-over-year establishment counts, County Business Patterns. Net growth of 1.7% since 2020.

YearEstablishmentsChange
2020359n/a
2021348-11
2022347-1
2023365+18

How this market compares

Los Angeles County against every other county in California on the same measure. The median excludes places under 2,000 residents, where per-capita figures are arithmetically true but analytically useless.

Thinly served0.4 per 10,000 residents, against a state median of 1.0

Well below the state median. Either a genuine gap in provision or a market served from somewhere nearby. Worth checking the neighbouring places below before drawing a conclusion.

Vs state median
-63%
Businesses per resident
Rank by count
#1
of 50 counties
Rank by density
#49
of 50 ranked
Since 2020
+2%
Change in establishments

Density compares septic & water well services provision per resident. It does not measure revenue, profitability or whether a market is worth entering.

Business size mix

Los Angeles tracks the California size distribution closely.

Share of establishmentsLos AngelesCaliforniaDifference
Under 5 employeesOwner-operated, often no management layer55.1%54.4%+0.7%
5 to 49 employeesThe range most individual buyers target40.0%38.2%+1.8%
10 or more employeesPractical floor for acquisition financing30.7%26.7%+4.0%

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.

Cities in Los Angeles

The figures above cover the county as a whole. These are the places within it.

Other industries in Los Angeles

Sources

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