NAICS 541211, 541213

Accounting & Tax Preparation Firms in Pasadena, CA

The 5 ZIP codes assigned to Pasadena contained 109 Accounting establishments in 2023, of which 6 employed 10 or more people.

Establishments (2023)
109
5 ZIP codes
10 or more employees
6
Practical financing floor
Share of county
3%
Los Angeles County
City population
135,804
2025 estimate

Figures cover the ZIP codes the U.S. Postal Service assigns to Pasadena (91101, 91104, 91105, 91106, 91107). 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 Pasadena'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
1-46862.4%
5-91211.0%
10-1932.8%
50-9932.8%

How this market compares

Pasadena 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.

Above average1.42% of local businesses, against 1.02% statewide

A larger slice of the local business base than the statewide share. Usually a sign of genuine local demand rather than oversupply.

Vs state share
+39%
Share of local businesses
Rank by count
#11
of 330 cities
Rank by share
#52
of 287 ranked
Since 2020
+1%
Change in establishments

This compares how much of Pasadena’s business base is accounting & tax preparation firms, against the California figure. Base: 7,697 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

Pasadena tracks the California size distribution closely.

Share of establishmentsPasadenaCaliforniaDifference
Under 5 employeesOwner-operated, often no management layer62.4%64.6%-2.2%
5 to 49 employeesThe range most individual buyers target13.8%14.2%-0.4%
10 or more employeesPractical floor for acquisition financing5.5%4.2%+1.3%

Nearest comparable markets

The closest places to Pasadena that also have Accounting 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
San Marino13+94%
South Pasadena8-24%
San Gabriel31+43%
Alhambra55+126%
Temple City18+70%

The wider Los Angeles County market

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

County establishments (2023)
3,637
Los Angeles County
County employees
25,819
Mid-March employment
County annual payroll
$2.5B
All establishments
Full Accounting data for Los Angeles County

What acquirers look at

The most acute succession crisis of any professional service category. A large share of partners are past traditional retirement age with no internal successor. Annual recurring compliance revenue with exceptional retention.

Other industries in Pasadena

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.