--- title: "Clean Truck Check Testers in Acton, CA (3 listed)" description: "Find 3 CARB-credentialed Clean Truck Check testers in Acton, Los Angeles County: 2 offer mobile testing, 1 do smoke opacity tests. Phone numbers, services and…" url: "https://ctcfinder.com/testers/los-angeles-county/acton/" updated: "2026-11-01" publisher: "CTC Finder (independent directory, not affiliated with CARB)" --- # Clean Truck Check testers in Acton, CA 3 testing businesses in Acton (Los Angeles County) are on CARB's public Clean Truck Check tester list (3 credentialed testers). 2 offer mobile testing, 1 do smoke opacity tests, 2 test motorhomes. > 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. ## Testers in Acton - **[Acton 76](https://ctcfinder.com/tester/acton-76-acton/)** — 3807 Sierra Hwy, Acton, CA 93510 — (661) 317-3500. Services: mobile testing, OBD testing, motorhome testing. - **[Eric Cespedes](https://ctcfinder.com/tester/eric-cespedes-acton/)** — Acton, CA 93510 — (818) 612-9569. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Isco Machinery](https://ctcfinder.com/tester/isco-machinery-acton/)** — Acton, CA 93510 — (661) 941-6266. Services: not listed. ## More testers within 20 miles - **[Kamori English](https://ctcfinder.com/tester/kamori-english-palmdale/)** — Palmdale, CA 93551 — (818) 422-3871 — 10 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Ricardo Martinez](https://ctcfinder.com/tester/ricardo-martinez-palmdale/)** — Palmdale, CA 93551 — (323) 393-7399 — 10 mi. Services: not listed. - **[FleetFox](https://ctcfinder.com/tester/fleetfox-tujunga/)** — 10714 Tinker Ave, Tujunga, CA 91042 — (818) 804-8153 — 10 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Classic Smog Test Only](https://ctcfinder.com/tester/classic-smog-test-only-palmdale/)** — 37925 Sierra Hwy Ste K, Palmdale, CA 93550 — (818) 625-2888 — 10 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Classicsmog Test Center](https://ctcfinder.com/tester/classicsmog-test-center-palmdale/)** — 37925 Sierra Highway, Palmdale, CA 93550 — (661) 965-5952 — 10 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Freight Here LLC](https://ctcfinder.com/tester/freight-here-llc-palmdale/)** — 210 E Avenue R4, Palmdale, CA 93550 — (661) 350-0674 — 10 mi. Services: mobile testing, OBD testing. - **[Heavy Truck Testing](https://ctcfinder.com/tester/heavy-truck-testing-palmdale/)** — 1475 East Palmdale Boulevard, Palmdale, CA 93550 — (661) 998-6073 — 10 mi. Services: OBD testing, motorhome testing. - **[Hernandez Road Service LLC](https://ctcfinder.com/tester/hernandez-road-service-llc-palmdale/)** — 38333 6th St E, Palmdale, CA 93550 — (818) 309-6865 — 10 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Hernandez Sergio](https://ctcfinder.com/tester/hernandez-sergio-palmdale/)** — Palmdale, CA 93550 — (213) 210-0129 — 10 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Rapid Truck Check](https://ctcfinder.com/tester/rapid-truck-check-palmdale/)** — 36556 Palomino Court, Palmdale, CA 93550 — (818) 913-2136 — 10 mi. Services: mobile testing, OBD testing, motorhome testing. - **[ALI Trucking Services](https://ctcfinder.com/tester/ali-trucking-services-sylmar/)** — 15036 Florentine St, Sylmar, CA 91342 — (818) 585-4959 — 12 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Clean Truck Check by JS](https://ctcfinder.com/tester/clean-truck-check-by-js-sylmar/)** — 13608 Little Tujunga Canyon Rd, Sylmar, CA 91342 — (818) 259-9920 — 12 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. ## Trucking in Acton Los Angeles County has more listed testers than any other county. Seaports and intermodal railyards, including the Ports of Los Angeles and Long Beach, must verify Clean Truck Check compliance at entry or log non-compliant trucks (CARB). ## Cost Typical published prices in California: OBD test $50–$135 per vehicle; smoke opacity test $190–$200. Prices are set by each tester. ## Frequently asked questions ### How many Clean Truck Check testers are in Acton? CTC Finder lists 3 testing businesses in Acton from CARB's public tester list (3 credentialed testers), last checked November 1, 2026. Listing on CARB's list is optional, so the real number can be higher. ### Is there mobile Clean Truck Check testing in Acton? Yes. 2 listed businesses in Acton offer mobile testing, which means the tester comes to your yard. Use the Mobile filter above to see them. ### How much does a Clean Truck Check test cost in Acton? Testers set their own prices. Published prices for an OBD test are usually $50–$135 per vehicle; smoke opacity tests for older trucks often cost more, and mobile testers may add a trip fee. See the [cost guide](https://ctcfinder.com/guide/cost/). ### How often does my truck need a Clean Truck Check test? Most trucks test twice a year, on a schedule tied to the DMV registration expiration date. CARB says OBD trucks move to four tests a year beginning October 2027. California-registered (non-commercial) motorhomes and agricultural vehicles test once a year. See the [deadline guide](https://ctcfinder.com/guide/deadlines-2026-2027/). ## Nearby cities - [Palmdale](https://ctcfinder.com/testers/los-angeles-county/palmdale/) — 12 listings, 9 mi - [Sylmar](https://ctcfinder.com/testers/los-angeles-county/sylmar/) — 6 listings, 12 mi - [Canyon Country](https://ctcfinder.com/testers/los-angeles-county/canyon-country/) — 6 listings, 13 mi - [Santa Clarita](https://ctcfinder.com/testers/los-angeles-county/santa-clarita/) — 5 listings, 16 mi - [San Fernando](https://ctcfinder.com/testers/los-angeles-county/san-fernando/) — 3 listings, 16 mi - [Sun Valley](https://ctcfinder.com/testers/los-angeles-county/sun-valley/) — 10 listings, 17 mi - [Pacoima](https://ctcfinder.com/testers/los-angeles-county/pacoima/) — 4 listings, 17 mi - [Lancaster](https://ctcfinder.com/testers/los-angeles-county/lancaster/) — 16 listings, 19 mi - [Burbank](https://ctcfinder.com/testers/los-angeles-county/burbank/) — 5 listings, 19 mi - [Valencia](https://ctcfinder.com/testers/los-angeles-county/valencia/) — 5 listings, 20 mi