NAICS 541211, 541213

Accounting & Tax Preparation Firms in Newport Beach, CA

The 2 ZIP codes assigned to Newport Beach contained 88 Accounting establishments in 2023, of which 8 employed 10 or more people.

Establishments (2023)
88
2 ZIP codes
10 or more employees
8
Practical financing floor
Share of county
6%
Orange County
City population
81,977
2025 estimate

Figures cover the ZIP codes the U.S. Postal Service assigns to Newport Beach (92660, 92663). 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 Newport Beach'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
1-46573.9%
5-966.8%
10-1989.1%

How this market compares

Newport Beach 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 average1.41% 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
+38%
Share of local businesses
Rank by count
#17
of 330 cities
Rank by share
#53
of 287 ranked
Since 2020
+10%
Change in establishments

This compares how much of Newport Beach’s business base is accounting & tax preparation firms, against the California figure. Base: 6,234 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

Newport Beach 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 establishmentsNewport BeachCaliforniaDifference
Under 5 employeesOwner-operated, often no management layer73.9%64.6%+9.3%
5 to 49 employeesThe range most individual buyers target15.9%14.2%+1.7%
10 or more employeesPractical floor for acquisition financing9.1%4.2%+4.9%

Nearest comparable markets

The closest places to Newport Beach 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
Costa Mesa59+7%
Laguna Beach14-9%
Fountain Valley34+63%
Irvine220+44%
Aliso Viejo17+15%

The wider Orange County market

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

County establishments (2023)
1,399
Orange County
County employees
11,040
Mid-March employment
County annual payroll
$1.0B
All establishments
Full Accounting data for Orange 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 Newport Beach

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.