NAICS 541310

Architectural Services in San Luis Obispo, CA

The 1 ZIP codes assigned to San Luis Obispo contained 23 Architecture establishments in 2023, of which 6 employed 10 or more people.

Establishments (2023)
23
1 ZIP codes
10 or more employees
6
Practical financing floor
Share of county
56%
San Luis Obispo County
City population
50,636
2025 estimate

Figures cover the ZIP codes the U.S. Postal Service assigns to San Luis Obispo (93401). 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 San Luis Obispo'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
1-41147.8%
5-9313.0%
10-19626.1%

How this market compares

San Luis Obispo 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 served0.86% of local businesses, against 0.32% 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
+172%
Share of local businesses
Rank by count
#21
of 160 cities
Rank by share
#19
of 157 ranked
Since 2020
-8%
Change in establishments

This compares how much of San Luis Obispo’s business base is architectural services, against the California figure. Base: 2,659 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

San Luis Obispo 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 establishmentsSan Luis ObispoCaliforniaDifference
Under 5 employeesOwner-operated, often no management layer47.8%60.1%-12.3%
5 to 49 employeesThe range most individual buyers target39.1%17.7%+21.4%
10 or more employeesPractical floor for acquisition financing26.1%9.2%+16.9%

Nearest comparable markets

The closest places to San Luis Obispo that also have Architecture 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
Arroyo Grande3+5%
Santa Barbara71+280%
Bakersfield13-62%
Ojai5+107%
Visalia6-44%

The wider San Luis Obispo County market

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

County establishments (2023)
41
San Luis Obispo County
County employees
337
Mid-March employment
County annual payroll
$30M
All establishments
Full Architecture data for San Luis Obispo County

What acquirers look at

Reputation and principal relationships rarely survive an owner exit. Firms with public-sector master service agreements are the exception worth pursuing.

Other industries in San Luis Obispo

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.