NAICS 811111

General Automotive Repair in El Cajon, CA

The 3 ZIP codes assigned to El Cajon contained 82 Auto Repair establishments in 2023.

Establishments (2023)
82
3 ZIP codes
10 or more employees
n/a
Practical financing floor
Share of county
9%
San Diego County
City population
101,755
2025 estimate

Figures cover the ZIP codes the U.S. Postal Service assigns to El Cajon (92019, 92020, 92021). 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 El Cajon'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
1-45769.5%
5-91923.2%

How this market compares

El Cajon 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 served2.01% of local businesses, against 0.91% 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
+121%
Share of local businesses
Rank by count
#14
of 354 cities
Rank by share
#21
of 279 ranked
Since 2020
+12%
Change in establishments

This compares how much of El Cajon’s business base is general automotive repair, against the California figure. Base: 4,089 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

El Cajon tracks the California size distribution closely.

Share of establishmentsEl CajonCaliforniaDifference
Under 5 employeesOwner-operated, often no management layer69.5%65.8%+3.7%
5 to 49 employeesThe range most individual buyers target23.2%21.4%+1.8%
10 or more employeesPractical floor for acquisition financing0.0%2.5%-2.5%

Nearest comparable markets

The closest places to El Cajon that also have Auto Repair 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
Santee24+107%
La Mesa28+35%
Lemon Grove9+85%
San Diego302-21%
National City21+68%

The wider San Diego County market

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

County establishments (2023)
874
San Diego County
County employees
3,830
Mid-March employment
County annual payroll
$216M
All establishments
Full Auto Repair data for San Diego County

What acquirers look at

Real estate frequently comes with the business, which transforms SBA financeability. Technician retention is the operational risk that sinks most first-time buyers.

Other industries in El Cajon

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.