---
title: "Clean Truck Check Testers in California by County (2,867)"
description: "Browse 2,867 CARB-credentialed Clean Truck Check testers in all 58 California counties. 2,543 offer mobile testing. Pick a county or city to see phone numbers…"
url: "https://ctcfinder.com/testers/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Clean Truck Check testers in California

2,867 testing businesses (3,018 credentialed testers) in 55 counties; 2,543 offer mobile testing.

> CTC Finder is an independent directory, not affiliated with CARB. Tester data: CARB Clean Truck Check public tester list, last checked November 1, 2026. Confirm services, hours and prices with the tester.

## Regions

- [Inland Empire](https://ctcfinder.com/testers/inland-empire/) — San Bernardino, Riverside
- [Los Angeles & Orange County](https://ctcfinder.com/testers/los-angeles-orange-county/) — Los Angeles, Orange
- [San Francisco Bay Area](https://ctcfinder.com/testers/bay-area/) — Alameda, Contra Costa, Marin, Napa, San Francisco, San Mateo, Santa Clara, Solano, Sonoma
- [San Joaquin Valley](https://ctcfinder.com/testers/san-joaquin-valley/) — San Joaquin, Stanislaus, Merced, Madera, Fresno, Kings, Tulare, Kern
- [Sacramento Region](https://ctcfinder.com/testers/sacramento-region/) — Sacramento, Placer, El Dorado, Yolo, Sutter, Yuba
- [San Diego & Imperial](https://ctcfinder.com/testers/san-diego-imperial/) — San Diego, Imperial
- [Central Coast](https://ctcfinder.com/testers/central-coast/) — Ventura, Santa Barbara, San Luis Obispo, Monterey, San Benito, Santa Cruz

## Counties

- [Alameda County](https://ctcfinder.com/testers/alameda-county/) — 85
- [Amador County](https://ctcfinder.com/testers/amador-county/) — 7
- [Butte County](https://ctcfinder.com/testers/butte-county/) — 24
- [Calaveras County](https://ctcfinder.com/testers/calaveras-county/) — 8
- [Colusa County](https://ctcfinder.com/testers/colusa-county/) — 6
- [Contra Costa County](https://ctcfinder.com/testers/contra-costa-county/) — 61
- [Del Norte County](https://ctcfinder.com/testers/del-norte-county/) — 3
- [El Dorado County](https://ctcfinder.com/testers/el-dorado-county/) — 16
- [Fresno County](https://ctcfinder.com/testers/fresno-county/) — 123
- [Glenn County](https://ctcfinder.com/testers/glenn-county/) — 6
- [Humboldt County](https://ctcfinder.com/testers/humboldt-county/) — 20
- [Imperial County](https://ctcfinder.com/testers/imperial-county/) — 15
- [Inyo County](https://ctcfinder.com/testers/inyo-county/) — 1
- [Kern County](https://ctcfinder.com/testers/kern-county/) — 107
- [Kings County](https://ctcfinder.com/testers/kings-county/) — 13
- [Lake County](https://ctcfinder.com/testers/lake-county/) — 3
- [Lassen County](https://ctcfinder.com/testers/lassen-county/) — 5
- [Los Angeles County](https://ctcfinder.com/testers/los-angeles-county/) — 516
- [Madera County](https://ctcfinder.com/testers/madera-county/) — 22
- [Marin County](https://ctcfinder.com/testers/marin-county/) — 4
- [Mariposa County](https://ctcfinder.com/testers/mariposa-county/) — 1
- [Mendocino County](https://ctcfinder.com/testers/mendocino-county/) — 8
- [Merced County](https://ctcfinder.com/testers/merced-county/) — 40
- [Modoc County](https://ctcfinder.com/testers/modoc-county/) — 2
- [Mono County](https://ctcfinder.com/testers/mono-county/) — 2
- [Monterey County](https://ctcfinder.com/testers/monterey-county/) — 37
- [Napa County](https://ctcfinder.com/testers/napa-county/) — 11
- [Nevada County](https://ctcfinder.com/testers/nevada-county/) — 8
- [Orange County](https://ctcfinder.com/testers/orange-county/) — 159
- [Placer County](https://ctcfinder.com/testers/placer-county/) — 39
- [Plumas County](https://ctcfinder.com/testers/plumas-county/) — 4
- [Riverside County](https://ctcfinder.com/testers/riverside-county/) — 251
- [Sacramento County](https://ctcfinder.com/testers/sacramento-county/) — 131
- [San Benito County](https://ctcfinder.com/testers/san-benito-county/) — 7
- [San Bernardino County](https://ctcfinder.com/testers/san-bernardino-county/) — 277
- [San Diego County](https://ctcfinder.com/testers/san-diego-county/) — 178
- [San Francisco County](https://ctcfinder.com/testers/san-francisco-county/) — 7
- [San Joaquin County](https://ctcfinder.com/testers/san-joaquin-county/) — 124
- [San Luis Obispo County](https://ctcfinder.com/testers/san-luis-obispo-county/) — 25
- [San Mateo County](https://ctcfinder.com/testers/san-mateo-county/) — 31
- [Santa Barbara County](https://ctcfinder.com/testers/santa-barbara-county/) — 31
- [Santa Clara County](https://ctcfinder.com/testers/santa-clara-county/) — 79
- [Santa Cruz County](https://ctcfinder.com/testers/santa-cruz-county/) — 18
- [Shasta County](https://ctcfinder.com/testers/shasta-county/) — 18
- [Siskiyou County](https://ctcfinder.com/testers/siskiyou-county/) — 7
- [Solano County](https://ctcfinder.com/testers/solano-county/) — 38
- [Sonoma County](https://ctcfinder.com/testers/sonoma-county/) — 28
- [Stanislaus County](https://ctcfinder.com/testers/stanislaus-county/) — 53
- [Sutter County](https://ctcfinder.com/testers/sutter-county/) — 12
- [Tehama County](https://ctcfinder.com/testers/tehama-county/) — 11
- [Tulare County](https://ctcfinder.com/testers/tulare-county/) — 62
- [Tuolumne County](https://ctcfinder.com/testers/tuolumne-county/) — 5
- [Ventura County](https://ctcfinder.com/testers/ventura-county/) — 68
- [Yolo County](https://ctcfinder.com/testers/yolo-county/) — 42
- [Yuba County](https://ctcfinder.com/testers/yuba-county/) — 8

## City pages

- [Acton](https://ctcfinder.com/testers/los-angeles-county/acton/) (Los Angeles County) — 3
- [Adelanto](https://ctcfinder.com/testers/san-bernardino-county/adelanto/) (San Bernardino County) — 3
- [Alhambra](https://ctcfinder.com/testers/los-angeles-county/alhambra/) (Los Angeles County) — 5
- [Anaheim](https://ctcfinder.com/testers/orange-county/anaheim/) (Orange County) — 25
- [Anderson](https://ctcfinder.com/testers/shasta-county/anderson/) (Shasta County) — 7
- [Angels Camp](https://ctcfinder.com/testers/calaveras-county/angels-camp/) (Calaveras County) — 3
- [Antioch](https://ctcfinder.com/testers/contra-costa-county/antioch/) (Contra Costa County) — 11
- [Apple Valley](https://ctcfinder.com/testers/san-bernardino-county/apple-valley/) (San Bernardino County) — 11
- [Arbuckle](https://ctcfinder.com/testers/colusa-county/arbuckle/) (Colusa County) — 4
- [Arcata](https://ctcfinder.com/testers/humboldt-county/arcata/) (Humboldt County) — 4
- [Atascadero](https://ctcfinder.com/testers/san-luis-obispo-county/atascadero/) (San Luis Obispo County) — 6
- [Atwater](https://ctcfinder.com/testers/merced-county/atwater/) (Merced County) — 5
- [Auburn](https://ctcfinder.com/testers/placer-county/auburn/) (Placer County) — 7
- [Azusa](https://ctcfinder.com/testers/los-angeles-county/azusa/) (Los Angeles County) — 7
- [Bakersfield](https://ctcfinder.com/testers/kern-county/bakersfield/) (Kern County) — 78
- [Baldwin Park](https://ctcfinder.com/testers/los-angeles-county/baldwin-park/) (Los Angeles County) — 4
- [Banning](https://ctcfinder.com/testers/riverside-county/banning/) (Riverside County) — 3
- [Barstow](https://ctcfinder.com/testers/san-bernardino-county/barstow/) (San Bernardino County) — 4
- [Beaumont](https://ctcfinder.com/testers/riverside-county/beaumont/) (Riverside County) — 8
- [Bell Gardens](https://ctcfinder.com/testers/los-angeles-county/bell-gardens/) (Los Angeles County) — 5
- [Bellflower](https://ctcfinder.com/testers/los-angeles-county/bellflower/) (Los Angeles County) — 8
- [Biggs](https://ctcfinder.com/testers/butte-county/biggs/) (Butte County) — 4
- [Bloomington](https://ctcfinder.com/testers/san-bernardino-county/bloomington/) (San Bernardino County) — 8
- [Brentwood](https://ctcfinder.com/testers/contra-costa-county/brentwood/) (Contra Costa County) — 3
- [Buena Park](https://ctcfinder.com/testers/orange-county/buena-park/) (Orange County) — 9
- [Burbank](https://ctcfinder.com/testers/los-angeles-county/burbank/) (Los Angeles County) — 5
- [Calexico](https://ctcfinder.com/testers/imperial-county/calexico/) (Imperial County) — 6
- [Camarillo](https://ctcfinder.com/testers/ventura-county/camarillo/) (Ventura County) — 5
- [Campbell](https://ctcfinder.com/testers/santa-clara-county/campbell/) (Santa Clara County) — 3
- [Canyon Country](https://ctcfinder.com/testers/los-angeles-county/canyon-country/) (Los Angeles County) — 6
- [Carlsbad](https://ctcfinder.com/testers/san-diego-county/carlsbad/) (San Diego County) — 3
- [Carson](https://ctcfinder.com/testers/los-angeles-county/carson/) (Los Angeles County) — 6
- [Ceres](https://ctcfinder.com/testers/stanislaus-county/ceres/) (Stanislaus County) — 7
- [Chatsworth](https://ctcfinder.com/testers/los-angeles-county/chatsworth/) (Los Angeles County) — 4
- [Chico](https://ctcfinder.com/testers/butte-county/chico/) (Butte County) — 10
- [Chino](https://ctcfinder.com/testers/san-bernardino-county/chino/) (San Bernardino County) — 9
- [Chula Vista](https://ctcfinder.com/testers/san-diego-county/chula-vista/) (San Diego County) — 15
- [Citrus Heights](https://ctcfinder.com/testers/sacramento-county/citrus-heights/) (Sacramento County) — 7
- [Claremont](https://ctcfinder.com/testers/los-angeles-county/claremont/) (Los Angeles County) — 4
- [Clovis](https://ctcfinder.com/testers/fresno-county/clovis/) (Fresno County) — 9
- [Coachella](https://ctcfinder.com/testers/riverside-county/coachella/) (Riverside County) — 4
- [Colfax](https://ctcfinder.com/testers/placer-county/colfax/) (Placer County) — 3
- [Colton](https://ctcfinder.com/testers/san-bernardino-county/colton/) (San Bernardino County) — 15
- [Commerce](https://ctcfinder.com/testers/los-angeles-county/commerce/) (Los Angeles County) — 7
- [Compton](https://ctcfinder.com/testers/los-angeles-county/compton/) (Los Angeles County) — 11
- [Concord](https://ctcfinder.com/testers/contra-costa-county/concord/) (Contra Costa County) — 7
- [Corning](https://ctcfinder.com/testers/tehama-county/corning/) (Tehama County) — 4
- [Corona](https://ctcfinder.com/testers/riverside-county/corona/) (Riverside County) — 18
- [Costa Mesa](https://ctcfinder.com/testers/orange-county/costa-mesa/) (Orange County) — 6
- [Crescent City](https://ctcfinder.com/testers/del-norte-county/crescent-city/) (Del Norte County) — 3
- [Daly City](https://ctcfinder.com/testers/san-mateo-county/daly-city/) (San Mateo County) — 4
- [Delano](https://ctcfinder.com/testers/kern-county/delano/) (Kern County) — 6
- [Denair](https://ctcfinder.com/testers/stanislaus-county/denair/) (Stanislaus County) — 4
- [Desert Hot Springs](https://ctcfinder.com/testers/riverside-county/desert-hot-springs/) (Riverside County) — 4
- [Dinuba](https://ctcfinder.com/testers/tulare-county/dinuba/) (Tulare County) — 4
- [Dixon](https://ctcfinder.com/testers/solano-county/dixon/) (Solano County) — 8
- [Dos Palos](https://ctcfinder.com/testers/merced-county/dos-palos/) (Merced County) — 4
- [Downey](https://ctcfinder.com/testers/los-angeles-county/downey/) (Los Angeles County) — 9
- [Dublin](https://ctcfinder.com/testers/alameda-county/dublin/) (Alameda County) — 4
- [Eastvale](https://ctcfinder.com/testers/riverside-county/eastvale/) (Riverside County) — 8
- [El Cajon](https://ctcfinder.com/testers/san-diego-county/el-cajon/) (San Diego County) — 24
- [El Centro](https://ctcfinder.com/testers/imperial-county/el-centro/) (Imperial County) — 4
- [El Monte](https://ctcfinder.com/testers/los-angeles-county/el-monte/) (Los Angeles County) — 11
- [Elk Grove](https://ctcfinder.com/testers/sacramento-county/elk-grove/) (Sacramento County) — 16
- [Escalon](https://ctcfinder.com/testers/san-joaquin-county/escalon/) (San Joaquin County) — 10
- [Escondido](https://ctcfinder.com/testers/san-diego-county/escondido/) (San Diego County) — 13
- [Eureka](https://ctcfinder.com/testers/humboldt-county/eureka/) (Humboldt County) — 4
- [Fairfield](https://ctcfinder.com/testers/solano-county/fairfield/) (Solano County) — 11
- [Fallbrook](https://ctcfinder.com/testers/san-diego-county/fallbrook/) (San Diego County) — 5
- [Folsom](https://ctcfinder.com/testers/sacramento-county/folsom/) (Sacramento County) — 5
- [Fontana](https://ctcfinder.com/testers/san-bernardino-county/fontana/) (San Bernardino County) — 49
- [Fortuna](https://ctcfinder.com/testers/humboldt-county/fortuna/) (Humboldt County) — 7
- [Fountain Valley](https://ctcfinder.com/testers/orange-county/fountain-valley/) (Orange County) — 4
- [Fowler](https://ctcfinder.com/testers/fresno-county/fowler/) (Fresno County) — 5
- [Fremont](https://ctcfinder.com/testers/alameda-county/fremont/) (Alameda County) — 12
- [French Camp](https://ctcfinder.com/testers/san-joaquin-county/french-camp/) (San Joaquin County) — 3
- [Fresno](https://ctcfinder.com/testers/fresno-county/fresno/) (Fresno County) — 74
- [Fullerton](https://ctcfinder.com/testers/orange-county/fullerton/) (Orange County) — 8
- [Galt](https://ctcfinder.com/testers/sacramento-county/galt/) (Sacramento County) — 7
- [Garden Grove](https://ctcfinder.com/testers/orange-county/garden-grove/) (Orange County) — 10
- [Gardena](https://ctcfinder.com/testers/los-angeles-county/gardena/) (Los Angeles County) — 7
- [Gilroy](https://ctcfinder.com/testers/santa-clara-county/gilroy/) (Santa Clara County) — 13
- [Glendale](https://ctcfinder.com/testers/los-angeles-county/glendale/) (Los Angeles County) — 5
- [Glendora](https://ctcfinder.com/testers/los-angeles-county/glendora/) (Los Angeles County) — 5
- [Gonzales](https://ctcfinder.com/testers/monterey-county/gonzales/) (Monterey County) — 3
- [Gridley](https://ctcfinder.com/testers/butte-county/gridley/) (Butte County) — 3
- [Hacienda Heights](https://ctcfinder.com/testers/los-angeles-county/hacienda-heights/) (Los Angeles County) — 4
- [Hanford](https://ctcfinder.com/testers/kings-county/hanford/) (Kings County) — 7
- [Hawthorne](https://ctcfinder.com/testers/los-angeles-county/hawthorne/) (Los Angeles County) — 5
- [Hayward](https://ctcfinder.com/testers/alameda-county/hayward/) (Alameda County) — 18
- [Hemet](https://ctcfinder.com/testers/riverside-county/hemet/) (Riverside County) — 7
- [Hesperia](https://ctcfinder.com/testers/san-bernardino-county/hesperia/) (San Bernardino County) — 20
- [Highland](https://ctcfinder.com/testers/san-bernardino-county/highland/) (San Bernardino County) — 5
- [Hollister](https://ctcfinder.com/testers/san-benito-county/hollister/) (San Benito County) — 7
- [Huntington Beach](https://ctcfinder.com/testers/orange-county/huntington-beach/) (Orange County) — 13
- [Huntington Park](https://ctcfinder.com/testers/los-angeles-county/huntington-park/) (Los Angeles County) — 10
- [Imperial](https://ctcfinder.com/testers/imperial-county/imperial/) (Imperial County) — 3
- [Indio](https://ctcfinder.com/testers/riverside-county/indio/) (Riverside County) — 9
- [Inglewood](https://ctcfinder.com/testers/los-angeles-county/inglewood/) (Los Angeles County) — 4
- [Irvine](https://ctcfinder.com/testers/orange-county/irvine/) (Orange County) — 7
- [Jackson](https://ctcfinder.com/testers/amador-county/jackson/) (Amador County) — 3
- [Jurupa Valley](https://ctcfinder.com/testers/riverside-county/jurupa-valley/) (Riverside County) — 18
- [Kerman](https://ctcfinder.com/testers/fresno-county/kerman/) (Fresno County) — 3
- [King City](https://ctcfinder.com/testers/monterey-county/king-city/) (Monterey County) — 3
- [La Habra](https://ctcfinder.com/testers/orange-county/la-habra/) (Orange County) — 6
- [La Mirada](https://ctcfinder.com/testers/los-angeles-county/la-mirada/) (Los Angeles County) — 5
- [La Puente](https://ctcfinder.com/testers/los-angeles-county/la-puente/) (Los Angeles County) — 6
- [La Verne](https://ctcfinder.com/testers/los-angeles-county/la-verne/) (Los Angeles County) — 3
- [Lake Elsinore](https://ctcfinder.com/testers/riverside-county/lake-elsinore/) (Riverside County) — 8
- [Lake Forest](https://ctcfinder.com/testers/orange-county/lake-forest/) (Orange County) — 3
- [Lakeside](https://ctcfinder.com/testers/san-diego-county/lakeside/) (San Diego County) — 12
- [Lakewood](https://ctcfinder.com/testers/los-angeles-county/lakewood/) (Los Angeles County) — 4
- [Lancaster](https://ctcfinder.com/testers/los-angeles-county/lancaster/) (Los Angeles County) — 16
- [Lathrop](https://ctcfinder.com/testers/san-joaquin-county/lathrop/) (San Joaquin County) — 5
- [Lawndale](https://ctcfinder.com/testers/los-angeles-county/lawndale/) (Los Angeles County) — 4
- [Lemoore](https://ctcfinder.com/testers/kings-county/lemoore/) (Kings County) — 5
- [Lincoln](https://ctcfinder.com/testers/placer-county/lincoln/) (Placer County) — 4
- [Livermore](https://ctcfinder.com/testers/alameda-county/livermore/) (Alameda County) — 8
- [Livingston](https://ctcfinder.com/testers/merced-county/livingston/) (Merced County) — 3
- [Lodi](https://ctcfinder.com/testers/san-joaquin-county/lodi/) (San Joaquin County) — 12
- [Long Beach](https://ctcfinder.com/testers/los-angeles-county/long-beach/) (Los Angeles County) — 26
- [Los Angeles](https://ctcfinder.com/testers/los-angeles-county/los-angeles/) (Los Angeles County) — 69
- [Los Banos](https://ctcfinder.com/testers/merced-county/los-banos/) (Merced County) — 8
- [Lynwood](https://ctcfinder.com/testers/los-angeles-county/lynwood/) (Los Angeles County) — 6
- [Madera](https://ctcfinder.com/testers/madera-county/madera/) (Madera County) — 15
- [Manteca](https://ctcfinder.com/testers/san-joaquin-county/manteca/) (San Joaquin County) — 19
- [Martinez](https://ctcfinder.com/testers/contra-costa-county/martinez/) (Contra Costa County) — 7
- [Marysville](https://ctcfinder.com/testers/yuba-county/marysville/) (Yuba County) — 3
- [Mcclellan](https://ctcfinder.com/testers/sacramento-county/mcclellan/) (Sacramento County) — 4
- [Mendota](https://ctcfinder.com/testers/fresno-county/mendota/) (Fresno County) — 3
- [Menifee](https://ctcfinder.com/testers/riverside-county/menifee/) (Riverside County) — 10
- [Merced](https://ctcfinder.com/testers/merced-county/merced/) (Merced County) — 13
- [Milpitas](https://ctcfinder.com/testers/santa-clara-county/milpitas/) (Santa Clara County) — 3
- [Mission Viejo](https://ctcfinder.com/testers/orange-county/mission-viejo/) (Orange County) — 3
- [Modesto](https://ctcfinder.com/testers/stanislaus-county/modesto/) (Stanislaus County) — 23
- [Montclair](https://ctcfinder.com/testers/san-bernardino-county/montclair/) (San Bernardino County) — 3
- [Montebello](https://ctcfinder.com/testers/los-angeles-county/montebello/) (Los Angeles County) — 8
- [Monterey](https://ctcfinder.com/testers/monterey-county/monterey/) (Monterey County) — 3
- [Monterey Park](https://ctcfinder.com/testers/los-angeles-county/monterey-park/) (Los Angeles County) — 3
- [Moorpark](https://ctcfinder.com/testers/ventura-county/moorpark/) (Ventura County) — 4
- [Moreno Valley](https://ctcfinder.com/testers/riverside-county/moreno-valley/) (Riverside County) — 16
- [Morgan Hill](https://ctcfinder.com/testers/santa-clara-county/morgan-hill/) (Santa Clara County) — 6
- [Mountain View](https://ctcfinder.com/testers/santa-clara-county/mountain-view/) (Santa Clara County) — 3
- [Murrieta](https://ctcfinder.com/testers/riverside-county/murrieta/) (Riverside County) — 10
- [Napa](https://ctcfinder.com/testers/napa-county/napa/) (Napa County) — 11
- [National City](https://ctcfinder.com/testers/san-diego-county/national-city/) (San Diego County) — 5
- [Nevada City](https://ctcfinder.com/testers/nevada-county/nevada-city/) (Nevada County) — 3
- [Newark](https://ctcfinder.com/testers/alameda-county/newark/) (Alameda County) — 4
- [Newbury Park](https://ctcfinder.com/testers/ventura-county/newbury-park/) (Ventura County) — 3
- [Nipomo](https://ctcfinder.com/testers/san-luis-obispo-county/nipomo/) (San Luis Obispo County) — 3
- [Norco](https://ctcfinder.com/testers/riverside-county/norco/) (Riverside County) — 8
- [North Highlands](https://ctcfinder.com/testers/sacramento-county/north-highlands/) (Sacramento County) — 5
- [North Hollywood](https://ctcfinder.com/testers/los-angeles-county/north-hollywood/) (Los Angeles County) — 5
- [Northridge](https://ctcfinder.com/testers/los-angeles-county/northridge/) (Los Angeles County) — 3
- [Norwalk](https://ctcfinder.com/testers/los-angeles-county/norwalk/) (Los Angeles County) — 5
- [Nuevo](https://ctcfinder.com/testers/riverside-county/nuevo/) (Riverside County) — 3
- [Oak Hills](https://ctcfinder.com/testers/san-bernardino-county/oak-hills/) (San Bernardino County) — 4
- [Oakdale](https://ctcfinder.com/testers/stanislaus-county/oakdale/) (Stanislaus County) — 5
- [Oakland](https://ctcfinder.com/testers/alameda-county/oakland/) (Alameda County) — 15
- [Oakley](https://ctcfinder.com/testers/contra-costa-county/oakley/) (Contra Costa County) — 9
- [Oceanside](https://ctcfinder.com/testers/san-diego-county/oceanside/) (San Diego County) — 9
- [Ontario](https://ctcfinder.com/testers/san-bernardino-county/ontario/) (San Bernardino County) — 31
- [Orange](https://ctcfinder.com/testers/orange-county/orange/) (Orange County) — 14
- [Orland](https://ctcfinder.com/testers/glenn-county/orland/) (Glenn County) — 4
- [Oroville](https://ctcfinder.com/testers/butte-county/oroville/) (Butte County) — 4
- [Oxnard](https://ctcfinder.com/testers/ventura-county/oxnard/) (Ventura County) — 22
- [Pacoima](https://ctcfinder.com/testers/los-angeles-county/pacoima/) (Los Angeles County) — 4
- [Palm Desert](https://ctcfinder.com/testers/riverside-county/palm-desert/) (Riverside County) — 5
- [Palmdale](https://ctcfinder.com/testers/los-angeles-county/palmdale/) (Los Angeles County) — 12
- [Paramount](https://ctcfinder.com/testers/los-angeles-county/paramount/) (Los Angeles County) — 3
- [Paso Robles](https://ctcfinder.com/testers/san-luis-obispo-county/paso-robles/) (San Luis Obispo County) — 5
- [Perris](https://ctcfinder.com/testers/riverside-county/perris/) (Riverside County) — 18
- [Phelan](https://ctcfinder.com/testers/san-bernardino-county/phelan/) (San Bernardino County) — 3
- [Pico Rivera](https://ctcfinder.com/testers/los-angeles-county/pico-rivera/) (Los Angeles County) — 6
- [Pioneer](https://ctcfinder.com/testers/amador-county/pioneer/) (Amador County) — 4
- [Pittsburg](https://ctcfinder.com/testers/contra-costa-county/pittsburg/) (Contra Costa County) — 5
- [Pixley](https://ctcfinder.com/testers/tulare-county/pixley/) (Tulare County) — 3
- [Placentia](https://ctcfinder.com/testers/orange-county/placentia/) (Orange County) — 4
- [Placerville](https://ctcfinder.com/testers/el-dorado-county/placerville/) (El Dorado County) — 3
- [Pomona](https://ctcfinder.com/testers/los-angeles-county/pomona/) (Los Angeles County) — 12
- [Porterville](https://ctcfinder.com/testers/tulare-county/porterville/) (Tulare County) — 6
- [Poway](https://ctcfinder.com/testers/san-diego-county/poway/) (San Diego County) — 3
- [Quincy](https://ctcfinder.com/testers/plumas-county/quincy/) (Plumas County) — 3
- [Ramona](https://ctcfinder.com/testers/san-diego-county/ramona/) (San Diego County) — 6
- [Rancho Cordova](https://ctcfinder.com/testers/sacramento-county/rancho-cordova/) (Sacramento County) — 5
- [Rancho Cucamonga](https://ctcfinder.com/testers/san-bernardino-county/rancho-cucamonga/) (San Bernardino County) — 18
- [Rancho Santa Margarita](https://ctcfinder.com/testers/orange-county/rancho-santa-margarita/) (Orange County) — 3
- [Red Bluff](https://ctcfinder.com/testers/tehama-county/red-bluff/) (Tehama County) — 6
- [Redding](https://ctcfinder.com/testers/shasta-county/redding/) (Shasta County) — 9
- [Redlands](https://ctcfinder.com/testers/san-bernardino-county/redlands/) (San Bernardino County) — 8
- [Redwood City](https://ctcfinder.com/testers/san-mateo-county/redwood-city/) (San Mateo County) — 3
- [Reedley](https://ctcfinder.com/testers/fresno-county/reedley/) (Fresno County) — 4
- [Reseda](https://ctcfinder.com/testers/los-angeles-county/reseda/) (Los Angeles County) — 5
- [Rialto](https://ctcfinder.com/testers/san-bernardino-county/rialto/) (San Bernardino County) — 18
- [Richmond](https://ctcfinder.com/testers/contra-costa-county/richmond/) (Contra Costa County) — 3
- [Ridgecrest](https://ctcfinder.com/testers/kern-county/ridgecrest/) (Kern County) — 3
- [Ripon](https://ctcfinder.com/testers/san-joaquin-county/ripon/) (San Joaquin County) — 3
- [Riverside](https://ctcfinder.com/testers/riverside-county/riverside/) (Riverside County) — 48
- [Rocklin](https://ctcfinder.com/testers/placer-county/rocklin/) (Placer County) — 6
- [Roseville](https://ctcfinder.com/testers/placer-county/roseville/) (Placer County) — 12
- [Rowland Heights](https://ctcfinder.com/testers/los-angeles-county/rowland-heights/) (Los Angeles County) — 4
- [Sacramento](https://ctcfinder.com/testers/sacramento-county/sacramento/) (Sacramento County) — 68
- [Salinas](https://ctcfinder.com/testers/monterey-county/salinas/) (Monterey County) — 21
- [San Bernardino](https://ctcfinder.com/testers/san-bernardino-county/san-bernardino/) (San Bernardino County) — 29
- [San Bruno](https://ctcfinder.com/testers/san-mateo-county/san-bruno/) (San Mateo County) — 4
- [San Diego](https://ctcfinder.com/testers/san-diego-county/san-diego/) (San Diego County) — 42
- [San Dimas](https://ctcfinder.com/testers/los-angeles-county/san-dimas/) (Los Angeles County) — 4
- [San Fernando](https://ctcfinder.com/testers/los-angeles-county/san-fernando/) (Los Angeles County) — 3
- [San Francisco](https://ctcfinder.com/testers/san-francisco-county/san-francisco/) (San Francisco County) — 7
- [San Jacinto](https://ctcfinder.com/testers/riverside-county/san-jacinto/) (Riverside County) — 7
- [San Jose](https://ctcfinder.com/testers/santa-clara-county/san-jose/) (Santa Clara County) — 41
- [San Leandro](https://ctcfinder.com/testers/alameda-county/san-leandro/) (Alameda County) — 8
- [San Lorenzo](https://ctcfinder.com/testers/alameda-county/san-lorenzo/) (Alameda County) — 3
- [San Luis Obispo](https://ctcfinder.com/testers/san-luis-obispo-county/san-luis-obispo/) (San Luis Obispo County) — 4
- [San Marcos](https://ctcfinder.com/testers/san-diego-county/san-marcos/) (San Diego County) — 4
- [San Mateo](https://ctcfinder.com/testers/san-mateo-county/san-mateo/) (San Mateo County) — 4
- [San Pablo](https://ctcfinder.com/testers/contra-costa-county/san-pablo/) (Contra Costa County) — 7
- [Sanger](https://ctcfinder.com/testers/fresno-county/sanger/) (Fresno County) — 4
- [Santa Ana](https://ctcfinder.com/testers/orange-county/santa-ana/) (Orange County) — 14
- [Santa Barbara](https://ctcfinder.com/testers/santa-barbara-county/santa-barbara/) (Santa Barbara County) — 5
- [Santa Clara](https://ctcfinder.com/testers/santa-clara-county/santa-clara/) (Santa Clara County) — 3
- [Santa Clarita](https://ctcfinder.com/testers/los-angeles-county/santa-clarita/) (Los Angeles County) — 5
- [Santa Cruz](https://ctcfinder.com/testers/santa-cruz-county/santa-cruz/) (Santa Cruz County) — 3
- [Santa Fe Springs](https://ctcfinder.com/testers/los-angeles-county/santa-fe-springs/) (Los Angeles County) — 11
- [Santa Maria](https://ctcfinder.com/testers/santa-barbara-county/santa-maria/) (Santa Barbara County) — 21
- [Santa Paula](https://ctcfinder.com/testers/ventura-county/santa-paula/) (Ventura County) — 5
- [Santa Rosa](https://ctcfinder.com/testers/sonoma-county/santa-rosa/) (Sonoma County) — 17
- [Santee](https://ctcfinder.com/testers/san-diego-county/santee/) (San Diego County) — 6
- [Selma](https://ctcfinder.com/testers/fresno-county/selma/) (Fresno County) — 11
- [Shafter](https://ctcfinder.com/testers/kern-county/shafter/) (Kern County) — 4
- [Sherman Oaks](https://ctcfinder.com/testers/los-angeles-county/sherman-oaks/) (Los Angeles County) — 3
- [Shingle Springs](https://ctcfinder.com/testers/el-dorado-county/shingle-springs/) (El Dorado County) — 3
- [Signal Hill](https://ctcfinder.com/testers/los-angeles-county/signal-hill/) (Los Angeles County) — 3
- [Simi Valley](https://ctcfinder.com/testers/ventura-county/simi-valley/) (Ventura County) — 8
- [Soledad](https://ctcfinder.com/testers/monterey-county/soledad/) (Monterey County) — 3
- [Sonoma](https://ctcfinder.com/testers/sonoma-county/sonoma/) (Sonoma County) — 5
- [Sonora](https://ctcfinder.com/testers/tuolumne-county/sonora/) (Tuolumne County) — 5
- [South El Monte](https://ctcfinder.com/testers/los-angeles-county/south-el-monte/) (Los Angeles County) — 3
- [South Gate](https://ctcfinder.com/testers/los-angeles-county/south-gate/) (Los Angeles County) — 13
- [South San Francisco](https://ctcfinder.com/testers/san-mateo-county/south-san-francisco/) (San Mateo County) — 5
- [Stockton](https://ctcfinder.com/testers/san-joaquin-county/stockton/) (San Joaquin County) — 50
- [Sun Valley](https://ctcfinder.com/testers/los-angeles-county/sun-valley/) (Los Angeles County) — 10
- [Susanville](https://ctcfinder.com/testers/lassen-county/susanville/) (Lassen County) — 4
- [Sylmar](https://ctcfinder.com/testers/los-angeles-county/sylmar/) (Los Angeles County) — 6
- [Tehachapi](https://ctcfinder.com/testers/kern-county/tehachapi/) (Kern County) — 3
- [Temecula](https://ctcfinder.com/testers/riverside-county/temecula/) (Riverside County) — 18
- [Thermal](https://ctcfinder.com/testers/riverside-county/thermal/) (Riverside County) — 3
- [Thousand Oaks](https://ctcfinder.com/testers/ventura-county/thousand-oaks/) (Ventura County) — 3
- [Torrance](https://ctcfinder.com/testers/los-angeles-county/torrance/) (Los Angeles County) — 11
- [Tracy](https://ctcfinder.com/testers/san-joaquin-county/tracy/) (San Joaquin County) — 21
- [Tulare](https://ctcfinder.com/testers/tulare-county/tulare/) (Tulare County) — 10
- [Turlock](https://ctcfinder.com/testers/stanislaus-county/turlock/) (Stanislaus County) — 7
- [Tustin](https://ctcfinder.com/testers/orange-county/tustin/) (Orange County) — 3
- [Union City](https://ctcfinder.com/testers/alameda-county/union-city/) (Alameda County) — 6
- [Upland](https://ctcfinder.com/testers/san-bernardino-county/upland/) (San Bernardino County) — 7
- [Vacaville](https://ctcfinder.com/testers/solano-county/vacaville/) (Solano County) — 6
- [Valencia](https://ctcfinder.com/testers/los-angeles-county/valencia/) (Los Angeles County) — 5
- [Vallejo](https://ctcfinder.com/testers/solano-county/vallejo/) (Solano County) — 8
- [Valley Center](https://ctcfinder.com/testers/san-diego-county/valley-center/) (San Diego County) — 9
- [Valley Springs](https://ctcfinder.com/testers/calaveras-county/valley-springs/) (Calaveras County) — 3
- [Van Nuys](https://ctcfinder.com/testers/los-angeles-county/van-nuys/) (Los Angeles County) — 11
- [Ventura](https://ctcfinder.com/testers/ventura-county/ventura/) (Ventura County) — 14
- [Victorville](https://ctcfinder.com/testers/san-bernardino-county/victorville/) (San Bernardino County) — 9
- [Visalia](https://ctcfinder.com/testers/tulare-county/visalia/) (Tulare County) — 19
- [Vista](https://ctcfinder.com/testers/san-diego-county/vista/) (San Diego County) — 5
- [Walnut](https://ctcfinder.com/testers/los-angeles-county/walnut/) (Los Angeles County) — 3
- [Watsonville](https://ctcfinder.com/testers/santa-cruz-county/watsonville/) (Santa Cruz County) — 10
- [West Covina](https://ctcfinder.com/testers/los-angeles-county/west-covina/) (Los Angeles County) — 5
- [West Sacramento](https://ctcfinder.com/testers/yolo-county/west-sacramento/) (Yolo County) — 21
- [Westminster](https://ctcfinder.com/testers/orange-county/westminster/) (Orange County) — 7
- [Whittier](https://ctcfinder.com/testers/los-angeles-county/whittier/) (Los Angeles County) — 10
- [Wildomar](https://ctcfinder.com/testers/riverside-county/wildomar/) (Riverside County) — 5
- [Wilmington](https://ctcfinder.com/testers/los-angeles-county/wilmington/) (Los Angeles County) — 12
- [Wilton](https://ctcfinder.com/testers/sacramento-county/wilton/) (Sacramento County) — 4
- [Winters](https://ctcfinder.com/testers/yolo-county/winters/) (Yolo County) — 4
- [Woodland](https://ctcfinder.com/testers/yolo-county/woodland/) (Yolo County) — 12
- [Yorba Linda](https://ctcfinder.com/testers/orange-county/yorba-linda/) (Orange County) — 4
- [Yuba City](https://ctcfinder.com/testers/sutter-county/yuba-city/) (Sutter County) — 11
- [Yucaipa](https://ctcfinder.com/testers/san-bernardino-county/yucaipa/) (San Bernardino County) — 8
