--- title: "Clean Truck Check Testers in Palmdale, CA (12 listed)" description: "Find 12 CARB-credentialed Clean Truck Check testers in Palmdale, Los Angeles County: 10 offer mobile testing, 3 do smoke opacity tests. Phone numbers, services…" url: "https://ctcfinder.com/testers/los-angeles-county/palmdale/" updated: "2026-11-01" publisher: "CTC Finder (independent directory, not affiliated with CARB)" --- # Clean Truck Check testers in Palmdale, CA 12 testing businesses in Palmdale (Los Angeles County) are on CARB's public Clean Truck Check tester list (12 credentialed testers). 10 offer mobile testing, 3 do smoke opacity tests, 10 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 Palmdale - **[Classic Smog Test Only](https://ctcfinder.com/tester/classic-smog-test-only-palmdale/)** — 37925 Sierra Hwy Ste K, Palmdale, CA 93550 — (818) 625-2888. 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. 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. 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. 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. 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. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Hovhannes Papikyan](https://ctcfinder.com/tester/hovhannes-papikyan-palmdale/)** — Palmdale, CA 93552 — (818) 389-2872. Services: mobile testing, OBD testing, motorhome testing. - **[Jehovanny Mobile Service](https://ctcfinder.com/tester/jehovanny-mobile-service-palmdale/)** — 5541 Cedar Pine Court, Palmdale, CA 93552 — (661) 208-2391. Services: mobile testing, OBD testing, motorhome testing. - **[Kamori English](https://ctcfinder.com/tester/kamori-english-palmdale/)** — Palmdale, CA 93551 — (818) 422-3871. Services: mobile testing, OBD testing, motorhome testing. - **[Rapid Truck Check](https://ctcfinder.com/tester/rapid-truck-check-palmdale/)** — 36556 Palomino Court, Palmdale, CA 93550 — (818) 913-2136. Services: mobile testing, OBD testing, motorhome testing. - **[Ricardo Martinez](https://ctcfinder.com/tester/ricardo-martinez-palmdale/)** — Palmdale, CA 93551 — (323) 393-7399. Services: not listed. - **[Valadez smogs & Diesel service](https://ctcfinder.com/tester/valadez-smogs-and-diesel-service-palmdale/)** — 37316 Del Mar St, Palmdale, CA 93552 — (661) 434-3256. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. ## More testers within 20 miles - **[M&K Equipment Inspection Services LLC.](https://ctcfinder.com/tester/m-and-k-equipment-inspection-services-llc-littlerock/)** — 11340 East Avenue R, Littlerock, CA 93543 — (310) 987-8409 — 6 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Acton 76](https://ctcfinder.com/tester/acton-76-acton/)** — 3807 Sierra Hwy, Acton, CA 93510 — (661) 317-3500 — 9 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Eric Cespedes](https://ctcfinder.com/tester/eric-cespedes-acton/)** — Acton, CA 93510 — (818) 612-9569 — 9 mi. 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 — 9 mi. Services: not listed. - **[Alan Sifuentes](https://ctcfinder.com/tester/alan-sifuentes-pearblossom/)** — Pearblossom, CA 93553 — (818) 205-3090 — 11 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[FleetFox](https://ctcfinder.com/tester/fleetfox-tujunga/)** — 10714 Tinker Ave, Tujunga, CA 91042 — (818) 804-8153 — 16 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Mesheck Bucknor](https://ctcfinder.com/tester/mesheck-bucknor-lancaster/)** — Lancaster, CA 93534 — (661) 575-7397 — 17 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Automated Technologies](https://ctcfinder.com/tester/automated-technologies-lancaster/)** — Lancaster, CA 93535 — (661) 965-6279 — 18 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Dieseltronics Equipment Repair](https://ctcfinder.com/tester/dieseltronics-equipment-repair-lancaster/)** — 3349 East Avenue I, Lancaster, CA 93535 — (818) 355-2021 — 18 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Fletchers diesel](https://ctcfinder.com/tester/fletchers-diesel-lancaster/)** — 42706 5th St E, Lancaster, CA 93535 — (661) 609-7174 — 18 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[H&P Clean Truck Check](https://ctcfinder.com/tester/h-and-p-clean-truck-check-lancaster/)** — 2323 Avenue J8, Lancaster, CA 93535 — (661) 744-7755 — 18 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Kenneth Kline](https://ctcfinder.com/tester/kenneth-kline-lancaster/)** — Lancaster, CA 93535 — (661) 733-0784 — 18 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. ## Trucking in Palmdale 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 Palmdale? CTC Finder lists 12 testing businesses in Palmdale from CARB's public tester list (12 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 Palmdale? Yes. 10 listed businesses in Palmdale 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 Palmdale? 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 - [Acton](https://ctcfinder.com/testers/los-angeles-county/acton/) — 3 listings, 9 mi - [Lancaster](https://ctcfinder.com/testers/los-angeles-county/lancaster/) — 16 listings, 17 mi - [Sylmar](https://ctcfinder.com/testers/los-angeles-county/sylmar/) — 6 listings, 20 mi - [Azusa](https://ctcfinder.com/testers/los-angeles-county/azusa/) — 7 listings, 21 mi - [Canyon Country](https://ctcfinder.com/testers/los-angeles-county/canyon-country/) — 6 listings, 22 mi - [Santa Clarita](https://ctcfinder.com/testers/los-angeles-county/santa-clarita/) — 5 listings, 23 mi - [Sun Valley](https://ctcfinder.com/testers/los-angeles-county/sun-valley/) — 10 listings, 24 mi - [San Fernando](https://ctcfinder.com/testers/los-angeles-county/san-fernando/) — 3 listings, 24 mi - [Glendale](https://ctcfinder.com/testers/los-angeles-county/glendale/) — 5 listings, 25 mi - [Burbank](https://ctcfinder.com/testers/los-angeles-county/burbank/) — 5 listings, 25 mi