--- title: "Clean Truck Check Testers in Whittier, CA (10 listed)" description: "Find 10 CARB-credentialed Clean Truck Check testers in Whittier, Los Angeles County: 10 offer mobile testing, 3 do smoke opacity tests. Phone numbers, services…" url: "https://ctcfinder.com/testers/los-angeles-county/whittier/" updated: "2026-11-01" publisher: "CTC Finder (independent directory, not affiliated with CARB)" --- # Clean Truck Check testers in Whittier, CA 10 testing businesses in Whittier (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, 6 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 Whittier - **[Revix LLC](https://ctcfinder.com/tester/revix-llc-whittier/)** — 14614 Broadway, Whittier, CA 90604 — (562) 753-4564. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[CA Truck Inspector](https://ctcfinder.com/tester/ca-truck-inspector-whittier/)** — 8614 Guilford Avenue, Whittier, CA 90605 — (562) 455-3552. Services: mobile testing, OBD testing, motorhome testing. - **[Cesar Soto](https://ctcfinder.com/tester/cesar-soto-whittier/)** — Whittier, CA 90605 — (323) 215-8681. Services: mobile testing, OBD testing. - **[Daniel's Mobile CARB Check](https://ctcfinder.com/tester/daniels-mobile-carb-check-whittier/)** — 13858 Russell St, Whittier, CA 90605 — (562) 325-2509. Services: mobile testing, OBD testing, motorhome testing. - **[Donald Longoria](https://ctcfinder.com/tester/donald-longoria-whittier/)** — Whittier, CA 90602 — (562) 395-2541. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Imperia Group CA](https://ctcfinder.com/tester/imperia-group-ca-whittier/)** — 10221 Lanett Ave, Whittier, CA 90605 — (323) 535-3057. Services: mobile testing, OBD testing. - **[J&J Mobile Services](https://ctcfinder.com/tester/j-and-j-mobile-services-whittier/)** — 13502 Whitteri Blvd Suite H 276, Whittier, CA 90605 — (562) 677-5105. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Oscar Meneses](https://ctcfinder.com/tester/oscar-meneses-whittier/)** — Whittier, CA 90605 — (323) 313-7808. Services: mobile testing, motorhome testing. - **[Redrum LLC mobile testing](https://ctcfinder.com/tester/redrum-llc-mobile-testing-whittier/)** — 8930 Calmada Avenue, Whittier, CA 90605 — (323) 287-6403. Services: mobile testing, OBD testing. - **[Rolando Olguin](https://ctcfinder.com/tester/rolando-olguin-whittier/)** — Whittier, CA 90605 — (562) 201-3537. Services: mobile testing, OBD testing. ## More testers within 20 miles - **[April Freight](https://ctcfinder.com/tester/april-freight-santa-fe-springs/)** — 12848 Imperial Hwy, Santa Fe Springs, CA 90670 — (626) 828-1472 — 3 mi. Services: OBD testing. - **[Diesel Exhaust & Emissions](https://ctcfinder.com/tester/diesel-exhaust-and-emissions-santa-fe-springs/)** — 11039 Shoemaker Ave, Santa Fe Springs, CA 90670 — (562) 734-6302 — 3 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Diesel Exhaust & Emissions LLC](https://ctcfinder.com/tester/diesel-exhaust-and-emissions-llc-santa-fe-springs/)** — 11043 Shoemaker Ave, Santa Fe Springs, CA 90670 — (562) 682-5232 — 3 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Diesel Exhaust & Emissions, LLC.](https://ctcfinder.com/tester/diesel-exhaust-and-emissions-llc-santa-fe-springs-2/)** — 11039 Shoemaker Ave, Santa Fe Springs, CA 90670 — (562) 346-0089 — 3 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Diesel Pros Inc](https://ctcfinder.com/tester/diesel-pros-inc-santa-fe-springs/)** — 13241 Alondra Boulevard, Santa Fe Springs, CA 90670 — (562) 254-1089 — 3 mi. Services: mobile testing, OBD testing. - **[Flat Rate Equipment Repair](https://ctcfinder.com/tester/flat-rate-equipment-repair-santa-fe-springs/)** — 8130 Allport Avenue, Santa Fe Springs, CA 90670 — (562) 824-6244 — 3 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Mef Express](https://ctcfinder.com/tester/mef-express-santa-fe-springs/)** — 9415 Sorensen Ave, Santa Fe Springs, CA 90670 — (818) 939-6712 — 3 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Mobile CARB Compliance Testing](https://ctcfinder.com/tester/mobile-carb-compliance-testing-santa-fe-springs/)** — Santa Fe Springs, CA 90670 — (213) 444-3581 — 3 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Shawn Truong](https://ctcfinder.com/tester/shawn-truong-santa-fe-springs/)** — Santa Fe Springs, CA 90670 — (714) 397-8025 — 3 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Tom's Truck Center - LA](https://ctcfinder.com/tester/toms-truck-center-la-santa-fe-springs/)** — 13443 Freeway Drive, Santa Fe Springs, CA 90670 — (657) 776-4160 — 3 mi. Services: not listed. - **[Tom's Truck Center - Santa Fe Springs CA](https://ctcfinder.com/tester/toms-truck-center-santa-fe-springs-ca-santa-fe-springs/)** — 13443 Freeway Drive, Santa Fe Springs, CA 90670 — (562) 921-1411 — 3 mi. Services: OBD testing, smoke opacity (non-OBD) testing. - **[Burke Banner](https://ctcfinder.com/tester/burke-banner-la-mirada/)** — La Mirada, CA 90638 — (562) 810-1446 — 4 mi. Services: mobile testing, OBD testing. ## Trucking in Whittier 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 Whittier? CTC Finder lists 10 testing businesses in Whittier 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 Whittier? Yes. 10 listed businesses in Whittier 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 Whittier? 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 - [Santa Fe Springs](https://ctcfinder.com/testers/los-angeles-county/santa-fe-springs/) — 11 listings, 3 mi - [La Mirada](https://ctcfinder.com/testers/los-angeles-county/la-mirada/) — 5 listings, 4 mi - [La Habra](https://ctcfinder.com/testers/orange-county/la-habra/) — 6 listings, 4 mi - [Hacienda Heights](https://ctcfinder.com/testers/los-angeles-county/hacienda-heights/) — 4 listings, 4 mi - [Norwalk](https://ctcfinder.com/testers/los-angeles-county/norwalk/) — 5 listings, 5 mi - [Pico Rivera](https://ctcfinder.com/testers/los-angeles-county/pico-rivera/) — 6 listings, 5 mi - [Downey](https://ctcfinder.com/testers/los-angeles-county/downey/) — 9 listings, 6 mi - [Buena Park](https://ctcfinder.com/testers/orange-county/buena-park/) — 9 listings, 7 mi - [South El Monte](https://ctcfinder.com/testers/los-angeles-county/south-el-monte/) — 3 listings, 7 mi - [Montebello](https://ctcfinder.com/testers/los-angeles-county/montebello/) — 8 listings, 7 mi