--- title: "Clean Truck Check Testers in Fresno, CA (74 listed)" description: "Find 74 CARB-credentialed Clean Truck Check testers in Fresno, Fresno County: 60 offer mobile testing, 35 do smoke opacity tests. Phone numbers, services and…" url: "https://ctcfinder.com/testers/fresno-county/fresno/" updated: "2026-11-01" publisher: "CTC Finder (independent directory, not affiliated with CARB)" --- # Clean Truck Check testers in Fresno, CA 74 testing businesses in Fresno (Fresno County) are on CARB's public Clean Truck Check tester list (77 credentialed testers). 60 offer mobile testing, 35 do smoke opacity tests, 41 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 Fresno - **[California Mobile CTC LLC - WE COME TO YOU](https://ctcfinder.com/tester/california-mobile-ctc-llc-we-come-to-you-fresno/)** — 1612 Fulton St, Fresno, CA 93721 — (559) 578-0357. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[A smog brothers](https://ctcfinder.com/tester/a-smog-brothers-fresno/)** — 3285 W Belmont Ave, Fresno, CA 93722 — (559) 271-7645. Services: mobile testing, smoke opacity (non-OBD) testing, motorhome testing. - **[AAA Inspections](https://ctcfinder.com/tester/aaa-inspections-fresno/)** — 2387 N Hanover Ave, Fresno, CA 93722 — (559) 705-4150. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Amanpreet Singh](https://ctcfinder.com/tester/amanpreet-singh-fresno/)** — Fresno, CA 93723 — (425) 505-7066. Services: mobile testing. - **[Angel LAO](https://ctcfinder.com/tester/angel-lao-fresno/)** — Fresno, CA 93703 — (559) 548-3808. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[BECS Pacific](https://ctcfinder.com/tester/becs-pacific-fresno/)** — 3138 S Elm Ave, Fresno, CA 93706 — (559) 994-7930. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Brandon Hill](https://ctcfinder.com/tester/brandon-hill-fresno/)** — Fresno, CA 93706 — (559) 274-4400. Services: OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Chatbant Srow](https://ctcfinder.com/tester/chatbant-srow-fresno/)** — Fresno, CA 93727 — (559) 696-1467. Services: mobile testing, OBD testing, motorhome testing. - **[Chou Yang](https://ctcfinder.com/tester/chou-yang-fresno/)** — Fresno, CA 93726 — (559) 601-4088. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing. - **[CK Truck & Trailer Repair INC](https://ctcfinder.com/tester/ck-truck-and-trailer-repair-inc-fresno/)** — 5249 N Cornelia Ave, Fresno, CA 93722 — (559) 916-8999. Services: OBD testing, smoke opacity (non-OBD) testing. - **[Clean Truck Check](https://ctcfinder.com/tester/clean-truck-check-fresno/)** — 3352 W Oswego Ave, Fresno, CA 93711 — (559) 293-1050. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Coast Counties Peterbilt -East](https://ctcfinder.com/tester/coast-counties-peterbilt-east-fresno/)** — 4390 S Bagley Ave, Fresno, CA 93725 — (559) 930-9951. Services: OBD testing, smoke opacity (non-OBD) testing. - **[Cold Storage Technologies](https://ctcfinder.com/tester/cold-storage-technologies-fresno/)** — Fresno, CA 93722 — (559) 265-2637. Services: mobile testing, OBD testing. - **[Cost Per Mile](https://ctcfinder.com/tester/cost-per-mile-fresno/)** — Fresno, CA 93725 — (559) 321-1085. Services: mobile testing, OBD testing, motorhome testing. - **[Cummins Sales and Service](https://ctcfinder.com/tester/cummins-sales-and-service-fresno/)** — 2755 S Cherry Ave, Fresno, CA 93706 — (559) 906-1395. Services: OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[D&A Mobile Service](https://ctcfinder.com/tester/d-and-a-mobile-service-fresno/)** — 2264 N Marks Ave #227, Fresno, CA 93722 — (509) 907-0028. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Diesel Compliant LLC](https://ctcfinder.com/tester/diesel-compliant-llc-fresno/)** — 117 W Byrd Ave, Fresno, CA 93706 — (559) 288-9972. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Diesel Dynasty](https://ctcfinder.com/tester/diesel-dynasty-fresno/)** — 6251 E American Ave, Fresno, CA 93725 — (559) 514-4783. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing. - **[DS Xpress INC.](https://ctcfinder.com/tester/ds-xpress-inc-fresno/)** — 3261 N Marks Ave, Fresno, CA 93722 — (209) 446-1192. Services: mobile testing, OBD testing. - **[Dullet Truck Terminal](https://ctcfinder.com/tester/dullet-truck-terminal-fresno/)** — 2778 S Willow Ave, Fresno, CA 93725 — (559) 575-6556. Services: OBD testing, motorhome testing. - **[East Bay Tire](https://ctcfinder.com/tester/east-bay-tire-fresno/)** — 2955 S Orange Ave, Fresno, CA 93725 — (559) 217-2533. Services: mobile testing, OBD testing, motorhome testing. - **[Fleet Repair](https://ctcfinder.com/tester/fleet-repair-fresno/)** — 3506 W Nielsen Ave, Fresno, CA 93706 — (559) 217-5986. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing. - **[Fresno Clean Truck Check](https://ctcfinder.com/tester/fresno-clean-truck-check-fresno/)** — 6087 E Brown Ave, Fresno, CA 93727 — (916) 417-7521. Services: mobile testing, OBD testing. - **[Fresno Fleet Service LLC](https://ctcfinder.com/tester/fresno-fleet-service-llc-fresno/)** — 2559 S East Ave, Fresno, CA 93706 — (559) 620-8015. Services: mobile testing, OBD testing. - **[Fresno Mobile Smog](https://ctcfinder.com/tester/fresno-mobile-smog-fresno/)** — 3215 W McKinley Ave, Fresno, CA 93722 — (559) 664-7933. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[G & H Diesel Service INC.](https://ctcfinder.com/tester/g-and-h-diesel-service-inc-fresno/)** — 3304 E Malaga Ave, Fresno, CA 93725 — (559) 217-2467. Services: OBD testing, motorhome testing. - **[Gerald Hansen](https://ctcfinder.com/tester/gerald-hansen-fresno/)** — Fresno, CA 93725 — (559) 393-6007. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Gibbs Trucks Centers](https://ctcfinder.com/tester/gibbs-trucks-centers-fresno/)** — 2712 S 4th St, Fresno, CA 93725 — (559) 303-8477. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Harjot Chauhan](https://ctcfinder.com/tester/harjot-chauhan-fresno/)** — Fresno, CA 93723 — (559) 696-6830. Services: mobile testing, OBD testing, motorhome testing. - **[Inderjit Pawar](https://ctcfinder.com/tester/inderjit-pawar-fresno/)** — Fresno, CA 93722 — (559) 289-7005. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Iron Horse Diesel Repair & Emissions](https://ctcfinder.com/tester/iron-horse-diesel-repair-and-emissions-fresno/)** — 261 W Audubon Dr, Fresno, CA 93711 — (559) 281-7415. Services: mobile testing, OBD testing, motorhome testing. - **[Isaac Renteria](https://ctcfinder.com/tester/isaac-renteria-fresno/)** — Fresno, CA 93703 — (559) 458-5546. Services: not listed. - **[Jimmy Myers](https://ctcfinder.com/tester/jimmy-myers-fresno/)** — Fresno, CA 93725 — (559) 903-4298. Services: mobile testing, OBD testing. - **[Joey Greenberg Enterprises](https://ctcfinder.com/tester/joey-greenberg-enterprises-fresno/)** — 6342 E Lyell Ave, Fresno, CA 93727 — (559) 908-4656. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Jorge Aguiar](https://ctcfinder.com/tester/jorge-aguiar-fresno/)** — Fresno, CA 93722 — (559) 200-2752. Services: mobile testing, OBD testing, motorhome testing. - **[JRD Mobile Clean Truck Check](https://ctcfinder.com/tester/jrd-mobile-clean-truck-check-fresno/)** — 4257 W Michigan Ave, Fresno, CA 93722 — (559) 240-9641. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[JST Truck Permits](https://ctcfinder.com/tester/jst-truck-permits-fresno/)** — 4221 W Sierra Madre Ave Suite 201, Fresno, CA 93722 — (559) 495-8079. Services: OBD testing. - **[Juan Andrade](https://ctcfinder.com/tester/juan-andrade-fresno/)** — Fresno, CA 93727 — (559) 824-2288. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Julieta Romero](https://ctcfinder.com/tester/julieta-romero-fresno/)** — Fresno, CA 93703 — (559) 905-6457. Services: OBD testing, smoke opacity (non-OBD) testing. - **[Keepin it green smog station](https://ctcfinder.com/tester/keepin-it-green-smog-station-fresno/)** — 4760 E Carmen Ave, Fresno, CA 93703 — (559) 218-0585. Services: mobile testing, OBD testing. - **[Keith McCarthy](https://ctcfinder.com/tester/keith-mccarthy-fresno/)** — Fresno, CA 93702 — (502) 240-9321. Services: mobile testing, OBD testing, motorhome testing. - **[Kennan Advantage Group](https://ctcfinder.com/tester/kennan-advantage-group-fresno/)** — 6944 N Van Buren Ave, Fresno, CA 93722 — (559) 270-0379. Services: OBD testing. - **[KMP Trucking](https://ctcfinder.com/tester/kmp-trucking-fresno/)** — 4006 W Fountain Way, Fresno, CA 93722 — (559) 696-3644. Services: mobile testing, OBD testing. - **[Malhi Truck Road Service](https://ctcfinder.com/tester/malhi-truck-road-service-fresno/)** — 6382 W Portola Ave, Fresno, CA 93723 — (559) 349-9010. Services: mobile testing, OBD testing. - **[Mandeep Singh](https://ctcfinder.com/tester/mandeep-singh-fresno/)** — Fresno, CA 93722 — (559) 912-5881. Services: mobile testing, OBD testing, motorhome testing. - **[Manifest Productions](https://ctcfinder.com/tester/manifest-productions-fresno/)** — Fresno, CA 93722 — (909) 275-5191. Services: mobile testing. - **[Michael Harris](https://ctcfinder.com/tester/michael-harris-fresno/)** — Fresno, CA 93704 — (559) 417-7599. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Mid-State Transport LLC](https://ctcfinder.com/tester/mid-state-transport-llc-fresno/)** — Fresno, CA 93722 — (559) 281-4331. Services: mobile testing, OBD testing, motorhome testing. - **[Nain Express](https://ctcfinder.com/tester/nain-express-fresno/)** — 2212 N Marks Ave #109, Fresno, CA 93722 — (909) 657-1435. Services: OBD testing, smoke opacity (non-OBD) testing. - **[NNG Surjeet Singh Gurdial Singh](https://ctcfinder.com/tester/nng-surjeet-singh-gurdial-singh-fresno/)** — 4460 W Shaw Ave #567, Fresno, CA 93722 — (559) 375-3203. Services: mobile testing, OBD testing. - **[No Town Diesel](https://ctcfinder.com/tester/no-town-diesel-fresno/)** — 3158 E Illinois Ave, Fresno, CA 93702 — (559) 420-2640. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Peace Transport 5599](https://ctcfinder.com/tester/peace-transport-5599-fresno/)** — 6869 E Townsend Ave, Fresno, CA 93727 — (559) 801-2384. Services: mobile testing, OBD testing, motorhome testing. - **[Pintail Hauling LLC](https://ctcfinder.com/tester/pintail-hauling-llc-fresno/)** — 550 E Chesapeake Cir, Fresno, CA 93730 — (559) 287-0157. Services: mobile testing, OBD testing. - **[Quality Truck Permits](https://ctcfinder.com/tester/quality-truck-permits-fresno/)** — 4670 N El Capitan Ave, Fresno, CA 93722 — (559) 307-5026. Services: mobile testing, OBD testing. - **[Quashaya Goree](https://ctcfinder.com/tester/quashaya-goree-fresno/)** — Fresno, CA 93727 — (310) 894-6290. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing. - **[Robert Garnica](https://ctcfinder.com/tester/robert-garnica-fresno/)** — Fresno, CA 93720 — (559) 777-1652. Services: mobile testing, OBD testing, motorhome testing. - **[Ry-Den Truck Center](https://ctcfinder.com/tester/ry-den-truck-center-fresno/)** — 2482 Foundry Park Ave, Fresno, CA 93706 — (559) 441-7667. Services: OBD testing. - **[Sahil LNU](https://ctcfinder.com/tester/sahil-lnu-fresno/)** — Fresno, CA 93723 — (559) 715-6002. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Sarbjit Singh](https://ctcfinder.com/tester/sarbjit-singh-fresno/)** — Fresno, CA 93725 — (559) 691-7634. Services: mobile testing, OBD testing. - **[Satbeer Sahans](https://ctcfinder.com/tester/satbeer-sahans-fresno/)** — Fresno, CA 93722 — (559) 313-8616. Services: mobile testing, OBD testing. - **[Somer Al Hossain](https://ctcfinder.com/tester/somer-al-hossain-fresno/)** — Fresno, CA 93725 — (530) 808-5601. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Soto Mobile CARB Testing](https://ctcfinder.com/tester/soto-mobile-carb-testing-fresno/)** — 3075 W Ashlan Ave ste 25, Fresno, CA 93722 — (559) 246-8820. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Star Pro Smog](https://ctcfinder.com/tester/star-pro-smog-fresno/)** — 1606 N West Ave, Fresno, CA 93705 — (559) 653-1016. Services: mobile testing, OBD testing. - **[Stratos Motorworks](https://ctcfinder.com/tester/stratos-motorworks-fresno/)** — Fresno, CA 93706 — (559) 649-8995. Services: mobile testing, OBD testing. - **[Sukhpreet Sahota](https://ctcfinder.com/tester/sukhpreet-sahota-fresno/)** — Fresno, CA 93722 — (559) 455-8112. Services: mobile testing, OBD testing, motorhome testing. - **[Sumeet Singh](https://ctcfinder.com/tester/sumeet-singh-fresno/)** — Fresno, CA 93726 — (210) 998-0000. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Titan fleet maintenance](https://ctcfinder.com/tester/titan-fleet-maintenance-fresno/)** — 2525 E Malaga Ave, Fresno, CA 93725 — (559) 274-8030. Services: mobile testing, OBD testing. - **[Titan Fleet Maintenance/Repair](https://ctcfinder.com/tester/titan-fleet-maintenance-repair-fresno/)** — 2525 E Malaga Ave, Fresno, CA 93725 — (559) 669-3796. Services: mobile testing, OBD testing. - **[Trenton Fleck](https://ctcfinder.com/tester/trenton-fleck-fresno/)** — Fresno, CA 93725 — (559) 917-0004. Services: OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Valley Truck Repair inc](https://ctcfinder.com/tester/valley-truck-repair-inc-fresno/)** — 3454 E Date Ave, Fresno, CA 93725 — (559) 930-1475. Services: mobile testing, OBD testing, motorhome testing. - **[Westernmfgcorp](https://ctcfinder.com/tester/westernmfgcorp-fresno/)** — 2984 S Cherry Ave, Fresno, CA 93706 — (559) 375-5497. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Witness Smog](https://ctcfinder.com/tester/witness-smog-fresno/)** — 1919 E Home Ave, Fresno, CA 93703 — (559) 394-5693. Services: not listed. - **[Yugraj Chauhan](https://ctcfinder.com/tester/yugraj-chauhan-fresno/)** — Fresno, CA 93727 — (559) 207-0629. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing. - **[Zarate's Auto Smog and Repair](https://ctcfinder.com/tester/zarates-auto-smog-and-repair-fresno/)** — 2614 S Cedar Ave, Fresno, CA 93725 — (559) 801-5335. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. ## More testers within 20 miles - **[Fleet](https://ctcfinder.com/tester/fleet-clovis/)** — 1159 Barstow Ave, Clovis, CA 93612 — (559) 999-8550 — 8 mi. Services: mobile testing, OBD testing, motorhome testing. - **[martin cervantes Central Valley Mobile Road Servic](https://ctcfinder.com/tester/martin-cervantes-central-valley-mobile-road-servic-clovis/)** — 668 W Ashcroft Ave, Clovis, CA 93612 — (559) 416-9889 — 8 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Randy's Smog](https://ctcfinder.com/tester/randys-smog-clovis/)** — 417 W Balsam Ln, Clovis, CA 93611 — (559) 416-9962 — 10 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing. - **[Serena Ruiz](https://ctcfinder.com/tester/serena-ruiz-clovis/)** — Clovis, CA 93611 — (559) 978-3250 — 10 mi. Services: mobile testing, OBD testing. - **[Strictly Mobile Fleet Service](https://ctcfinder.com/tester/strictly-mobile-fleet-service-clovis/)** — 2480 Buckingham Way, Clovis, CA 93611 — (559) 456-0237 — 10 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Diesel Emissions Fortified LLC](https://ctcfinder.com/tester/diesel-emissions-fortified-llc-fowler/)** — Fowler, CA 93625 — (559) 574-9585 — 11 mi. Services: mobile testing, OBD testing. - **[Diesel Specialties INC](https://ctcfinder.com/tester/diesel-specialties-inc-fowler/)** — 506 N 8th St, Fowler, CA 93625 — (559) 917-3096 — 11 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Pbviii](https://ctcfinder.com/tester/pbviii-fowler/)** — 1003 E Skylar Ave, Fowler, CA 93625 — (559) 558-7002 — 11 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Randeep Dhillon](https://ctcfinder.com/tester/randeep-dhillon-fowler/)** — Fowler, CA 93625 — (559) 593-3006 — 11 mi. Services: OBD testing. - **[Sukhpreet Aulakh](https://ctcfinder.com/tester/sukhpreet-aulakh-fowler/)** — Fowler, CA 93625 — (559) 906-5151 — 11 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[CA Testing Services](https://ctcfinder.com/tester/ca-testing-services-selma/)** — 2205 1st St, Selma, CA 93662 — (559) 896-0500 — 17 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Chavarria CTC](https://ctcfinder.com/tester/chavarria-ctc-selma/)** — 7594 E Conejo Ave, Selma, CA 93662 — (559) 898-9070 — 17 mi. Services: mobile testing, OBD testing, motorhome testing. ## Trucking in Fresno Fresno is the main hub of the San Joaquin Valley on SR-99, with farm, food-processing and produce fleets. Agricultural vehicles test once a year rather than twice; other trucks follow the normal schedule. Fresno County is the agricultural heart of the San Joaquin Valley. Agricultural vehicles test once a year; other trucks test twice a year. ## 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 Fresno? CTC Finder lists 74 testing businesses in Fresno from CARB's public tester list (77 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 Fresno? Yes. 60 listed businesses in Fresno 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 Fresno? 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 - [Fowler](https://ctcfinder.com/testers/fresno-county/fowler/) — 5 listings, 11 mi - [Clovis](https://ctcfinder.com/testers/fresno-county/clovis/) — 9 listings, 13 mi - [Selma](https://ctcfinder.com/testers/fresno-county/selma/) — 11 listings, 17 mi - [Kerman](https://ctcfinder.com/testers/fresno-county/kerman/) — 3 listings, 17 mi - [Sanger](https://ctcfinder.com/testers/fresno-county/sanger/) — 4 listings, 21 mi - [Madera](https://ctcfinder.com/testers/madera-county/madera/) — 15 listings, 21 mi - [Reedley](https://ctcfinder.com/testers/fresno-county/reedley/) — 4 listings, 24 mi - [Dinuba](https://ctcfinder.com/testers/tulare-county/dinuba/) — 4 listings, 28 mi - [Lemoore](https://ctcfinder.com/testers/kings-county/lemoore/) — 5 listings, 31 mi - [Hanford](https://ctcfinder.com/testers/kings-county/hanford/) — 7 listings, 33 mi