NAICS 238910

Septic & Water Well Services in Thousand Oaks, CA

The 1 ZIP codes assigned to Thousand Oaks contained 5 Septic & Well establishments in 2023.

Establishments (2023)
5
1 ZIP codes
10 or more employees
n/a
Practical financing floor
Share of county
6%
Ventura County
City population
122,230
2025 estimate

Figures cover the ZIP codes the U.S. Postal Service assigns to Thousand Oaks (91360). 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 Thousand Oaks' 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
5-9360.0%

How this market compares

Thousand Oaks 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 average0.13% of local businesses, against 0.19% 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
-29%
Share of local businesses
Rank by count
#115
of 201 cities
Rank by share
#155
of 175 ranked
Since 2020
+25%
Change in establishments

This compares how much of Thousand Oaks’s business base is septic & water well services, against the California figure. Base: 3,759 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

Thousand Oaks 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 establishmentsThousand OaksCaliforniaDifference
Under 5 employeesOwner-operated, often no management layer0.0%35.1%-35.1%
5 to 49 employeesThe range most individual buyers target60.0%9.4%+50.6%
10 or more employeesPractical floor for acquisition financing0.0%6.3%-6.3%

Nearest comparable markets

The closest places to Thousand Oaks 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
Moorpark6+254%
Simi Valley14+123%
Camarillo8+64%
Santa Paula7+611%
Oxnard6-15%

The wider Ventura County market

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

County establishments (2023)
88
Ventura County
County employees
824
Mid-March employment
County annual payroll
$63M
All establishments
Full Septic & Well data for Ventura 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 Thousand Oaks

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.