Saturation ranking
Where janitorial & commercial cleaning services is most and least saturated in California
Every California market with sourced Commercial Cleaning data, ranked on how much provision it already has. Counties are measured per 10,000 residents. Cities are measured as a share of the businesses in the same ZIP codes, because a city’s establishment counts cover its ZIP codes rather than its city limits and cannot be divided by its municipal population. Neither measure says anything about revenue or profitability, and a crowded market is not automatically a bad one: it is also where the most businesses come up for sale.
- Statewide establishments
- 6,956
- 2023 County Business Patterns
- State median density
- 1.7
- Per 10,000 residents, counties
- Counties ranked
- 45
- of 48 with data
- Cities ranked
- 230
- of 300 with data
Most saturated counties for commercial cleaning
45 of 48 counties with sourced data qualify for this ranking. Markets with fewer than 5 establishments are excluded at both levels, because a single opening or closing would move them enough to dominate the list. Counties under 2,000 residents are also excluded, where a per-capita figure is arithmetically true and analytically useless.
| # | County | Establishments | Per 10k | Vs state median | Reading |
|---|---|---|---|---|---|
| 1 | Mono County12,505 residents | 17 | 13.6 | +708% | Densely served |
| 2 | Napa County132,949 residents | 44 | 3.3 | +97% | Densely served |
| 3 | Marin County253,694 residents | 76 | 3.0 | +78% | Densely served |
| 4 | San Mateo County743,568 residents | 215 | 2.9 | +72% | Densely served |
| 5 | Santa Barbara County442,065 residents | 119 | 2.7 | +60% | Densely served |
| 6 | Plumas County18,583 residents | 5 | 2.7 | +60% | Densely served |
| 7 | Nevada County101,911 residents | 25 | 2.5 | +46% | Above average |
| 8 | Contra Costa County1,170,070 residents | 277 | 2.4 | +41% | Above average |
| 9 | Monterey County433,729 residents | 101 | 2.3 | +38% | Above average |
| 10 | Santa Cruz County258,852 residents | 58 | 2.2 | +33% | Above average |
| 11 | San Luis Obispo County282,367 residents | 63 | 2.2 | +33% | Above average |
| 12 | San Francisco County826,079 residents | 183 | 2.2 | +32% | Above average |
| 13 | Placer County442,081 residents | 97 | 2.2 | +30% | Above average |
| 14 | Santa Clara County1,914,391 residents | 418 | 2.2 | +30% | Above average |
| 15 | San Diego County3,282,248 residents | 710 | 2.2 | +29% | Above average |
State median for this industry: 1.7 establishments per 10,000 residents. A high figure means more provision per resident, not more demand.
Least saturated counties for commercial cleaning
The same 45 counties, read from the bottom of the ordering upward. Thin provision is worth checking against the neighbouring counties before treating it as an opening.
| # | County | Establishments | Per 10k | Vs state median | Reading |
|---|---|---|---|---|---|
| 1 | Yuba County88,691 residents | 5 | 0.6 | -66% | Thinly served |
| 2 | Humboldt County131,647 residents | 9 | 0.7 | -59% | Thinly served |
| 3 | Imperial County181,411 residents | 14 | 0.8 | -54% | Thinly served |
| 4 | Kings County154,327 residents | 13 | 0.8 | -50% | Thinly served |
| 5 | Tulare County485,146 residents | 41 | 0.8 | -50% | Thinly served |
| 6 | Madera County167,927 residents | 15 | 0.9 | -47% | Thinly served |
| 7 | Merced County297,260 residents | 29 | 1.0 | -42% | Thinly served |
| 8 | Sutter County98,787 residents | 11 | 1.1 | -34% | Below average |
| 9 | Kern County927,068 residents | 106 | 1.1 | -32% | Below average |
| 10 | Mendocino County88,122 residents | 11 | 1.2 | -26% | Below average |
| 11 | San Bernardino County2,224,091 residents | 283 | 1.3 | -24% | Below average |
| 12 | San Benito County70,082 residents | 9 | 1.3 | -24% | Below average |
| 13 | Fresno County1,035,456 residents | 145 | 1.4 | -17% | Below average |
| 14 | Stanislaus County557,719 residents | 79 | 1.4 | -16% | Below average |
| 15 | Siskiyou County42,013 residents | 6 | 1.4 | -15% | Below average |
State median for this industry: 1.7 establishments per 10,000 residents. A low figure can mean a genuine gap, or a market served from the next county over.
Most saturated cities for commercial cleaning
230 of 300 cities with sourced data qualify for this ranking. Markets with fewer than 5 establishments are excluded at both levels, because a single opening or closing would move them enough to dominate the list. Cities with fewer than 500 businesses in total are also excluded, because on a base that small the industry’s share moves on rounding.
| # | City | Establishments | Share of local | Vs state share | Reading |
|---|---|---|---|---|---|
| 1 | SeasideMonterey, 674 businesses in total | 19 | 2.82% | +349% | Densely served |
| 2 | PittsburgContra Costa, 1,059 businesses in total | 27 | 2.55% | +306% | Densely served |
| 3 | AntiochContra Costa, 1,538 businesses in total | 34 | 2.21% | +252% | Densely served |
| 4 | RichmondContra Costa, 1,549 businesses in total | 32 | 2.07% | +229% | Densely served |
| 5 | Lemon GroveSan Diego, 535 businesses in total | 11 | 2.06% | +227% | Densely served |
| 6 | LawndaleLos Angeles, 608 businesses in total | 12 | 1.97% | +214% | Densely served |
| 7 | San BrunoSan Mateo, 994 businesses in total | 19 | 1.91% | +204% | Densely served |
| 8 | Daly CitySan Mateo, 1,538 businesses in total | 28 | 1.82% | +190% | Densely served |
| 9 | ConcordContra Costa, 3,539 businesses in total | 63 | 1.78% | +183% | Densely served |
| 10 | NovatoMarin, 1,888 businesses in total | 33 | 1.75% | +178% | Densely served |
| 11 | National CitySan Diego, 1,379 businesses in total | 24 | 1.74% | +177% | Densely served |
| 12 | CarpinteriaSanta Barbara, 540 businesses in total | 9 | 1.67% | +165% | Densely served |
| 13 | San PabloContra Costa, 807 businesses in total | 13 | 1.61% | +157% | Densely served |
| 14 | South San FranciscoSan Mateo, 2,283 businesses in total | 36 | 1.58% | +151% | Densely served |
| 15 | HighlandSan Bernardino, 581 businesses in total | 9 | 1.55% | +147% | Densely served |
| 16 | OxnardVentura, 3,760 businesses in total | 58 | 1.54% | +146% | Densely served |
| 17 | Cathedral CityRiverside, 914 businesses in total | 14 | 1.53% | +144% | Densely served |
| 18 | BeaumontRiverside, 731 businesses in total | 11 | 1.50% | +140% | Densely served |
| 19 | Moreno ValleyRiverside, 2,220 businesses in total | 33 | 1.49% | +137% | Densely served |
| 20 | La QuintaRiverside, 951 businesses in total | 14 | 1.47% | +134% | Densely served |
| 21 | IndioRiverside, 1,728 businesses in total | 25 | 1.45% | +130% | Densely served |
| 22 | BelmontSan Mateo, 694 businesses in total | 10 | 1.44% | +129% | Densely served |
| 23 | WatsonvilleSanta Cruz, 1,538 businesses in total | 22 | 1.43% | +128% | Densely served |
| 24 | Huntington ParkLos Angeles, 1,004 businesses in total | 14 | 1.39% | +122% | Densely served |
| 25 | SalinasMonterey, 3,451 businesses in total | 48 | 1.39% | +121% | Densely served |
Statewide, 0.63% of California businesses are in this industry. A higher local share means the industry takes up more of the local business base than it does statewide.
City figures are aggregated over the ZIP codes the Postal Service assigns to each place, which do not follow municipal boundaries. That is why the comparison here is a share of the businesses in those same ZIP codes rather than a figure per resident: both sides then cover the same ground, so a city that loses establishments to a separately named ZIP loses its denominator with them.
Most underserved cities for commercial cleaning
The bottom of the same ordering. These are the California cities carrying the least commercial cleaning provision per resident among those that clear both floors.
| # | City | Establishments | Share of local | Vs state share | Reading |
|---|---|---|---|---|---|
| 1 | Newport BeachOrange, 6,234 businesses in total | 9 | 0.14% | -77% | Thinly served |
| 2 | GlendaleLos Angeles, 7,130 businesses in total | 11 | 0.15% | -75% | Thinly served |
| 3 | West HollywoodLos Angeles, 2,749 businesses in total | 5 | 0.18% | -71% | Thinly served |
| 4 | BurbankLos Angeles, 5,899 businesses in total | 12 | 0.20% | -68% | Thinly served |
| 5 | Beverly HillsLos Angeles, 6,870 businesses in total | 15 | 0.22% | -65% | Thinly served |
| 6 | San RamonContra Costa, 2,659 businesses in total | 6 | 0.23% | -64% | Thinly served |
| 7 | PasadenaLos Angeles, 7,697 businesses in total | 18 | 0.23% | -63% | Thinly served |
| 8 | South El MonteLos Angeles, 1,852 businesses in total | 5 | 0.27% | -57% | Thinly served |
| 9 | IrvineOrange, 14,947 businesses in total | 41 | 0.27% | -56% | Thinly served |
| 10 | Huntington BeachOrange, 6,263 businesses in total | 18 | 0.29% | -54% | Thinly served |
| 11 | El SegundoLos Angeles, 2,288 businesses in total | 7 | 0.31% | -51% | Thinly served |
| 12 | Culver CityLos Angeles, 2,919 businesses in total | 9 | 0.31% | -51% | Thinly served |
| 13 | Palo AltoSanta Clara, 3,843 businesses in total | 12 | 0.31% | -50% | Thinly served |
| 14 | Santa MonicaLos Angeles, 7,320 businesses in total | 23 | 0.31% | -50% | Thinly served |
| 15 | Agoura HillsLos Angeles, 1,515 businesses in total | 5 | 0.33% | -47% | Thinly served |
| 16 | La PuenteLos Angeles, 2,119 businesses in total | 7 | 0.33% | -47% | Thinly served |
| 17 | WestminsterOrange, 2,112 businesses in total | 7 | 0.33% | -47% | Thinly served |
| 18 | Walnut CreekContra Costa, 4,012 businesses in total | 14 | 0.35% | -44% | Thinly served |
| 19 | FolsomSacramento, 2,559 businesses in total | 9 | 0.35% | -44% | Thinly served |
| 20 | San ClementeOrange, 2,771 businesses in total | 10 | 0.36% | -43% | Thinly served |
| 21 | CarlsbadSan Diego, 5,494 businesses in total | 20 | 0.36% | -42% | Thinly served |
| 22 | AlamedaAlameda, 1,899 businesses in total | 7 | 0.37% | -41% | Thinly served |
| 23 | San GabrielLos Angeles, 2,119 businesses in total | 8 | 0.38% | -40% | Below average |
| 24 | West CovinaLos Angeles, 2,345 businesses in total | 9 | 0.38% | -39% | Below average |
| 25 | Mill ValleyMarin, 1,277 businesses in total | 5 | 0.39% | -38% | Below average |
Statewide, 0.63% of California businesses are in this industry. A lower local share can mean a genuine gap, or a market served from the next town over.
How to read these rankings
- Both measures are supply measures. They say nothing about how much each business earns, how large it is, or how much demand comes from outside the market.
- The two levels are not directly comparable to each other. A county figure is establishments per resident; a city figure is this industry’s share of the local business base against the statewide share. Compare counties to counties and cities to cities.
- A thinly served market can be a genuine gap or a market already served from a neighbouring town. The individual market pages list the nearest comparable places for exactly this check.
- A densely served market means competition, but it is also where the largest pool of existing businesses sits, and therefore where the most owners reach retirement each year.
- Counties are the more stable measure. City figures rest on ZIP code geography, which the Postal Service redraws as it pleases, so a city can gain or lose a ZIP between years.
Full commercial cleaning data for California/All industry rankings/Methodology
Sources
- U.S. Census Bureau, 2023 County Business Patterns. Establishment counts, employment and annual payroll by NAICS. Retrieved 2026-09-08.
- 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.
- U.S. Census Bureau, 2023 ZIP Code Business Patterns. Establishment counts by ZIP code and NAICS, aggregated over the ZIP codes assigned to each city, including the all-industry totals used as the local business base. Retrieved 2026-09-10.