NAICS 541513, 541512

IT Managed Service Providers in La Mesa, CA

The 2 ZIP codes assigned to La Mesa contained 13 IT & MSP establishments in 2023.

Establishments (2023)
13
2 ZIP codes
10 or more employees
n/a
Practical financing floor
Share of county
1%
San Diego County
City population
59,914
2025 estimate

Figures cover the ZIP codes the U.S. Postal Service assigns to La Mesa (91941, 91942). 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 La Mesa'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
1-413100.0%

How this market compares

La Mesa 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 average0.57% of local businesses, against 0.71% 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
-20%
Share of local businesses
Rank by count
#110
of 243 cities
Rank by share
#128
of 230 ranked
Since 2020
-32%
Change in establishments

This compares how much of La Mesa’s business base is it managed service providers, against the California figure. Base: 2,279 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

La Mesa 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 establishmentsLa MesaCaliforniaDifference
Under 5 employeesOwner-operated, often no management layer100.0%75.6%+24.4%
5 to 49 employeesThe range most individual buyers target0.0%7.5%-7.5%
10 or more employeesPractical floor for acquisition financing0.0%3.6%-3.6%

Nearest comparable markets

The closest places to La Mesa that also have IT & MSP 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
El Cajon17-42%
Santee3-67%
San Diego488+63%
Chula Vista35+1%
Coronado5-1%

The wider San Diego County market

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

County establishments (2023)
896
San Diego County
County employees
12,561
Mid-March employment
County annual payroll
$1.5B
All establishments
Full IT & MSP data for San Diego County

What acquirers look at

Contracted monthly recurring revenue per seat is the model that trades well; break-fix and project revenue is not. Client concentration and tech debt drive most valuation adjustments.

Other industries in La Mesa

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.