NAICS 337110, 321918

Cabinet & Architectural Millwork in Santa Rosa, CA

The 2 ZIP codes assigned to Santa Rosa contained 9 Millwork establishments in 2023.

Establishments (2023)
9
2 ZIP codes
10 or more employees
n/a
Practical financing floor
Share of county
32%
Sonoma County
City population
179,437
2025 estimate

Figures cover the ZIP codes the U.S. Postal Service assigns to Santa Rosa (95403, 95407). 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 Santa Rosa'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
1-4333.3%

How this market compares

Santa Rosa 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 served0.15% of local businesses, against 0.03% 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
+362%
Share of local businesses
Rank by count
#8
of 54 cities
Rank by share
#25
of 52 ranked
Since 2020
-31%
Change in establishments

This compares how much of Santa Rosa’s business base is cabinet & architectural millwork, against the California figure. Base: 6,121 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

Santa Rosa 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 establishmentsSanta RosaCaliforniaDifference
Under 5 employeesOwner-operated, often no management layer33.3%24.2%+9.1%
5 to 49 employeesThe range most individual buyers target0.0%8.9%-8.9%
10 or more employeesPractical floor for acquisition financing0.0%1.1%-1.1%

Nearest comparable markets

The closest places to Santa Rosa that also have Millwork 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
Rohnert Park3+934%
Sebastopol3+855%
Napa3+205%
San Rafael5+397%
Richmond3+509%

The wider Sonoma County market

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

County establishments (2023)
28
Sonoma County
County employees
145
Mid-March employment
County annual payroll
$8.8M
All establishments
Full Millwork data for Sonoma County

What acquirers look at

Skilled labor scarcity is the binding constraint on growth. Commercial millwork with contractor relationships outperforms residential custom work.

Other industries in Santa Rosa

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.