--- title: "Clean Truck Check Testers in La Puente, CA (6 listed)" description: "Find 6 CARB-credentialed Clean Truck Check testers in La Puente, Los Angeles County: 5 offer mobile testing, 1 do smoke opacity tests. Phone numbers, services…" url: "https://ctcfinder.com/testers/los-angeles-county/la-puente/" updated: "2026-11-01" publisher: "CTC Finder (independent directory, not affiliated with CARB)" --- # Clean Truck Check testers in La Puente, CA 6 testing businesses in La Puente (Los Angeles County) are on CARB's public Clean Truck Check tester list (6 credentialed testers). 5 offer mobile testing, 1 do smoke opacity tests, 1 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 La Puente - **[Joe Chavarin](https://ctcfinder.com/tester/joe-chavarin-la-puente/)** — La Puente, CA 91744 — (323) 854-9781. Services: mobile testing, OBD testing. - **[Jose Carrillo](https://ctcfinder.com/tester/jose-carrillo-la-puente/)** — La Puente, CA 91744 — (626) 251-7676. Services: mobile testing, OBD testing. - **[Milton](https://ctcfinder.com/tester/milton-la-puente/)** — 288 Collwood Ave, La Puente, CA 91746 — (213) 705-4522. Services: not listed. - **[Mobile Diesel Smog Check](https://ctcfinder.com/tester/mobile-diesel-smog-check-la-puente/)** — 15911 Hill St, La Puente, CA 91744 — (626) 366-9599. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing. - **[Rolling Sockets LLC](https://ctcfinder.com/tester/rolling-sockets-llc-la-puente/)** — 226 N Sandalwood Ave, La Puente, CA 91744 — (626) 420-3225. Services: mobile testing, OBD testing. - **[The Smog Master](https://ctcfinder.com/tester/the-smog-master-la-puente/)** — 322 N Sunset Ave, La Puente, CA 91744 — (626) 260-8596. Services: mobile testing, OBD testing, motorhome testing. ## More testers within 20 miles - **[Accurate Testing Service](https://ctcfinder.com/tester/accurate-testing-service-west-covina/)** — 1004 W West Covina Pkwy, West Covina, CA 91790 — (626) 710-8236 — 2 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Skyfleet](https://ctcfinder.com/tester/skyfleet-west-covina/)** — 1520 West Cameron Avenue, West Covina, CA 91790 — (626) 290-7739 — 2 mi. Services: mobile testing. - **[California CARB Check](https://ctcfinder.com/tester/california-carb-check-west-covina/)** — 2329 E Regina St, West Covina, CA 91792 — (626) 736-7797 — 3 mi. Services: mobile testing, OBD testing. - **[Joseph Avila-Castro](https://ctcfinder.com/tester/joseph-avila-castro-west-covina/)** — West Covina, CA 91792 — (626) 383-3036 — 3 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing. - **[CaliTorque](https://ctcfinder.com/tester/calitorque-hacienda-heights/)** — 2401 S Hacienda Blvd, Hacienda Heights, CA 91745 — (424) 731-6107 — 3 mi. Services: mobile testing, OBD testing. - **[LEI LI](https://ctcfinder.com/tester/lei-li-hacienda-heights/)** — Hacienda Heights, CA 91745 — (408) 768-1166 — 3 mi. Services: mobile testing, OBD testing. - **[Mike's Mobile Clean Truck Check](https://ctcfinder.com/tester/mikes-mobile-clean-truck-check-hacienda-heights/)** — 3266 El Greco Court, Hacienda Heights, CA 91745 — (626) 532-6189 — 3 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Season Bus Specialist](https://ctcfinder.com/tester/season-bus-specialist-hacienda-heights/)** — 14835 Clark Ave, Hacienda Heights, CA 91745 — (626) 618-9900 — 3 mi. Services: OBD testing. - **[Fleet Cert](https://ctcfinder.com/tester/fleet-cert-west-covina/)** — 521 South Lark Ellen Avenue, West Covina, CA 91791 — (626) 610-8533 — 4 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[CE Logistics](https://ctcfinder.com/tester/ce-logistics-city-of-industry/)** — 915 S Azusa Ave, City of Industry, CA 91748 — (626) 222-6682 — 5 mi. Services: mobile testing, OBD testing. - **[LinkX Logistics Inc](https://ctcfinder.com/tester/linkx-logistics-inc-rowland-heights/)** — 18351 Colima Rd STE 639, Rowland Heights, CA 91748 — (909) 990-8811 — 5 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Marie's cleantruck's check](https://ctcfinder.com/tester/maries-cleantrucks-check-rowland-heights/)** — 19116 E Walnut Dr N, Rowland Heights, CA 91748 — (626) 652-1930 — 5 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. ## Trucking in La Puente 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 La Puente? CTC Finder lists 6 testing businesses in La Puente from CARB's public tester list (6 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 La Puente? Yes. 5 listed businesses in La Puente 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 La Puente? 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 - [West Covina](https://ctcfinder.com/testers/los-angeles-county/west-covina/) — 5 listings, 2 mi - [Hacienda Heights](https://ctcfinder.com/testers/los-angeles-county/hacienda-heights/) — 4 listings, 3 mi - [Rowland Heights](https://ctcfinder.com/testers/los-angeles-county/rowland-heights/) — 4 listings, 5 mi - [Baldwin Park](https://ctcfinder.com/testers/los-angeles-county/baldwin-park/) — 4 listings, 5 mi - [Walnut](https://ctcfinder.com/testers/los-angeles-county/walnut/) — 3 listings, 5 mi - [El Monte](https://ctcfinder.com/testers/los-angeles-county/el-monte/) — 11 listings, 6 mi - [La Habra](https://ctcfinder.com/testers/orange-county/la-habra/) — 6 listings, 6 mi - [South El Monte](https://ctcfinder.com/testers/los-angeles-county/south-el-monte/) — 3 listings, 6 mi - [Whittier](https://ctcfinder.com/testers/los-angeles-county/whittier/) — 10 listings, 7 mi - [Glendora](https://ctcfinder.com/testers/los-angeles-county/glendora/) — 5 listings, 8 mi