--- title: "A1 Mobile Clean Truck Check LLC — Clean Truck Check, Brisbane, CA" description: "A1 Mobile Clean Truck Check LLC in Brisbane, CA is on CARB's Clean Truck Check tester list. Offers mobile testing, OBD testing, motorhome testing. Phone…" url: "https://ctcfinder.com/tester/a1-mobile-clean-truck-check-llc-brisbane/" updated: "2026-11-01" publisher: "CTC Finder (independent directory, not affiliated with CARB)" --- # A1 Mobile Clean Truck Check LLC Clean Truck Check tester in Brisbane, CA (San Mateo County). > 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. | Field | Value | |---|---| | Location | 350 Glen Park Way, Brisbane, CA 94005 | | County | San Mateo County | | Phone | (415) 806-9121 | | Mobile testing | Yes | | OBD testing | Yes | | Smoke opacity (non-OBD) | No | | Motorhomes | Yes | | Credentialed testers | 1 | | Last verified | 2026-11-01 | ## Which trucks A1 Mobile Clean Truck Check LLC can test | Your vehicle | Test required | This tester | |---|---|---| | Diesel, model year 2013 or newer | OBD scan | Yes | | Alternative fuel (natural gas, propane), 2018 or newer | OBD scan | Yes | | Diesel, model year 2012 or older (no OBD) | Smoke opacity test (SAE J1667) plus visual inspection | Not listed | | California-registered motorhome | Same test as above by engine year, once a year | Yes | For a 2012 or older diesel, the nearest listed tester with smoke opacity testing is B and A Bodyworks Towing INC in Daly City, about 2 miles away. [See listing](https://ctcfinder.com/tester/b-and-a-bodyworks-towing-inc-daly-city/). ## Clean Truck Check testers in San Mateo County A1 Mobile Clean Truck Check LLC is one of 31 testing businesses in San Mateo County on CARB's public tester list. 27 of them offer mobile testing and 17 do smoke opacity tests. ## When your truck is due 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/). You can test up to 90 days before a deadline. Free email reminders: https://ctcfinder.com/reminders/ ## Frequently asked questions ### Does A1 Mobile Clean Truck Check LLC offer mobile Clean Truck Check testing? Yes. A1 Mobile Clean Truck Check LLC says on CARB's tester list that it offers mobile testing, so it can come to your yard or job site. Ask about a trip fee when you call. ### Can A1 Mobile Clean Truck Check LLC test a 2012 or older diesel truck? A1 Mobile Clean Truck Check LLC does not list smoke opacity testing, which older non-OBD diesel trucks need. The nearest listed tester that does is [B and A Bodyworks Towing INC](https://ctcfinder.com/tester/b-and-a-bodyworks-towing-inc-daly-city/) (about 2 miles). Trucks from 2013 on get an OBD scan instead. ### How much does A1 Mobile Clean Truck Check LLC charge for a Clean Truck Check? A1 Mobile Clean Truck Check LLC has not published prices with us; call (415) 806-9121 for a quote. Published California prices are usually $50–$135 per vehicle for an OBD test and $190–$200 for a smoke opacity test, plus CARB's annual fee ($32.13 in 2026). See the [cost guide](https://ctcfinder.com/guide/cost/). ### Is A1 Mobile Clean Truck Check LLC a CARB-credentialed tester? A1 Mobile Clean Truck Check LLC appears on CARB's public Clean Truck Check tester list, last checked November 1, 2026. Only credentialed testers can submit results to CARB; after the test, confirm the passing result shows for your vehicle in CTC-VIS. ## Other testers nearby - **[B and A Bodyworks Towing INC](https://ctcfinder.com/tester/b-and-a-bodyworks-towing-inc-daly-city/)** — 454 Talbert St, Daly City, CA 94014 — (415) 793-4887 — 2 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Diesel Check Emission Testing](https://ctcfinder.com/tester/diesel-check-emission-testing-daly-city/)** — 6844 Mission St #401, Daly City, CA 94014 — (415) 756-5465 — 2 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Heavy Auto Health](https://ctcfinder.com/tester/heavy-auto-health-daly-city/)** — 355 Rio Verde St, Daly City, CA 94014 — (415) 439-9369 — 2 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Mobile Golden State Emissions Testing South City](https://ctcfinder.com/tester/mobile-golden-state-emissions-testing-south-city-south-san-francisco/)** — 988 El Camino Real, South San Francisco, CA 94080 — (925) 354-4370 — 2 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Steve Eftimiou](https://ctcfinder.com/tester/steve-eftimiou-south-san-francisco/)** — South San Francisco, CA 94080 — (415) 716-3119 — 2 mi. Services: OBD testing, smoke opacity (non-OBD) testing. - **[Steve Skrivanek](https://ctcfinder.com/tester/steve-skrivanek-south-san-francisco/)** — South San Francisco, CA 94080 — (650) 333-0475 — 2 mi. Services: OBD testing, smoke opacity (non-OBD) testing.