--- title: "Clean Truck Check Testers in Alhambra, CA (5 listed)" description: "Find 5 CARB-credentialed Clean Truck Check testers in Alhambra, Los Angeles County: 5 offer mobile testing, 2 do smoke opacity tests. Phone numbers, services…" url: "https://ctcfinder.com/testers/los-angeles-county/alhambra/" updated: "2026-11-01" publisher: "CTC Finder (independent directory, not affiliated with CARB)" --- # Clean Truck Check testers in Alhambra, CA 5 testing businesses in Alhambra (Los Angeles County) are on CARB's public Clean Truck Check tester list (5 credentialed testers). 5 offer mobile testing, 2 do smoke opacity tests, 3 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 Alhambra - **[CTC Mobile Tester](https://ctcfinder.com/tester/ctc-mobile-tester-alhambra/)** — 1325 Elm St, Alhambra, CA 91803 — (626) 313-6409. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Nutthakarn Pantiyanurak](https://ctcfinder.com/tester/nutthakarn-pantiyanurak-alhambra/)** — Alhambra, CA 91801 — (626) 620-5326. Services: mobile testing, OBD testing. - **[Robert Araujo](https://ctcfinder.com/tester/robert-araujo-alhambra/)** — Alhambra, CA 91803 — (323) 271-2565. Services: mobile testing. - **[Silver smog check](https://ctcfinder.com/tester/silver-smog-check-alhambra/)** — 2601 West Main Street, Alhambra, CA 91801 — (626) 300-8765. Services: mobile testing, OBD testing, motorhome testing. - **[Ty Trang](https://ctcfinder.com/tester/ty-trang-alhambra/)** — Alhambra, CA 91803 — (323) 786-2681. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. ## More testers within 20 miles - **[ENS Bus & Truck Check](https://ctcfinder.com/tester/ens-bus-and-truck-check-monterey-park/)** — 470 Grandeza Street, Monterey Park, CA 91754 — (626) 481-5317 — 2 mi. Services: mobile testing, OBD testing, motorhome testing. - **[SKY Smog and Test Only](https://ctcfinder.com/tester/sky-smog-and-test-only-monterey-park/)** — 705 Monterey Pass Rd Suite C, Monterey Park, CA 91754 — (323) 262-9093 — 2 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Zaw Moe](https://ctcfinder.com/tester/zaw-moe-monterey-park/)** — Monterey Park, CA 91754 — (626) 877-2230 — 2 mi. Services: mobile testing, OBD testing. - **[Paul brow](https://ctcfinder.com/tester/paul-brow-san-gabriel/)** — San Gabriel, CA 91776 — (626) 840-7678 — 3 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Chris Chappel](https://ctcfinder.com/tester/chris-chappel-los-angeles/)** — Los Angeles, CA 90032 — (619) 405-9758 — 3 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Jeff's Automobile Repair Service](https://ctcfinder.com/tester/jeffs-automobile-repair-service-los-angeles/)** — 5196 Alhambra Ave, Los Angeles, CA 90032 — (626) 278-0787 — 3 mi. Services: OBD testing, motorhome testing. - **[John Daugherty](https://ctcfinder.com/tester/john-daugherty-los-angeles/)** — Los Angeles, CA 90032 — (626) 756-0196 — 3 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Ivan LU](https://ctcfinder.com/tester/ivan-lu-rosemead/)** — Rosemead, CA 91770 — (626) 476-1199 — 3 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Arceo Transport LLC](https://ctcfinder.com/tester/arceo-transport-llc-los-angeles/)** — 303 North Marianna Avenue, Los Angeles, CA 90063 — (213) 453-4932 — 4 mi. Services: smoke opacity (non-OBD) testing. - **[Jose Cervantes](https://ctcfinder.com/tester/jose-cervantes-los-angeles/)** — Los Angeles, CA 90063 — (323) 307-1231 — 4 mi. Services: mobile testing. - **[Sergio Melendez](https://ctcfinder.com/tester/sergio-melendez-los-angeles/)** — Los Angeles, CA 90063 — (323) 394-4145 — 4 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Ryan Fleet Service INC](https://ctcfinder.com/tester/ryan-fleet-service-inc-san-gabriel/)** — 8839 Arcadia Avenue, San Gabriel, CA 91775 — (626) 349-5623 — 4 mi. Services: mobile testing, OBD testing. ## Trucking in Alhambra 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 Alhambra? CTC Finder lists 5 testing businesses in Alhambra from CARB's public tester list (5 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 Alhambra? Yes. 5 listed businesses in Alhambra 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 Alhambra? 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 - [Monterey Park](https://ctcfinder.com/testers/los-angeles-county/monterey-park/) — 3 listings, 2 mi - [Montebello](https://ctcfinder.com/testers/los-angeles-county/montebello/) — 8 listings, 5 mi - [South El Monte](https://ctcfinder.com/testers/los-angeles-county/south-el-monte/) — 3 listings, 5 mi - [Commerce](https://ctcfinder.com/testers/los-angeles-county/commerce/) — 7 listings, 6 mi - [El Monte](https://ctcfinder.com/testers/los-angeles-county/el-monte/) — 11 listings, 6 mi - [Pico Rivera](https://ctcfinder.com/testers/los-angeles-county/pico-rivera/) — 6 listings, 7 mi - [Bell Gardens](https://ctcfinder.com/testers/los-angeles-county/bell-gardens/) — 5 listings, 8 mi - [Huntington Park](https://ctcfinder.com/testers/los-angeles-county/huntington-park/) — 10 listings, 8 mi - [Los Angeles](https://ctcfinder.com/testers/los-angeles-county/los-angeles/) — 69 listings, 9 mi - [Downey](https://ctcfinder.com/testers/los-angeles-county/downey/) — 9 listings, 9 mi