--- title: "Heavy Truck Testing — Clean Truck Check, Palmdale, CA" description: "Heavy Truck Testing in Palmdale, CA is on CARB's Clean Truck Check tester list. Offers OBD testing, motorhome testing. Phone, address and nearby testers." url: "https://ctcfinder.com/tester/heavy-truck-testing-palmdale/" updated: "2026-11-01" publisher: "CTC Finder (independent directory, not affiliated with CARB)" --- # Heavy Truck Testing Clean Truck Check tester in Palmdale, CA (Los Angeles 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 | 1475 East Palmdale Boulevard, Palmdale, CA 93550 | | County | Los Angeles County | | Phone | (661) 998-6073 | | Mobile testing | No | | OBD testing | Yes | | Smoke opacity (non-OBD) | No | | Motorhomes | Yes | | Credentialed testers | 1 | | Last verified | 2026-11-01 | ## Which trucks Heavy Truck Testing 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 Hernandez Road Service LLC in Palmdale, about 1 mile away. [See listing](https://ctcfinder.com/tester/hernandez-road-service-llc-palmdale/). If you need a tester at your yard, the nearest listed tester that offers mobile testing is Classic Smog Test Only in Palmdale, about 1 mile away. [See listing](https://ctcfinder.com/tester/classic-smog-test-only-palmdale/). ## Clean Truck Check testers in Los Angeles County Heavy Truck Testing is one of 516 testing businesses in Los Angeles County on CARB's public tester list. 465 of them offer mobile testing and 190 do smoke opacity tests. In Palmdale itself there are 12 listed businesses, 10 of them mobile. ## 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 Heavy Truck Testing offer mobile Clean Truck Check testing? Not according to CARB's tester list; plan to bring the truck to the tester. The nearest listed mobile tester is [Classic Smog Test Only](https://ctcfinder.com/tester/classic-smog-test-only-palmdale/) (about 1 mile). ### Can Heavy Truck Testing test a 2012 or older diesel truck? Heavy Truck Testing does not list smoke opacity testing, which older non-OBD diesel trucks need. The nearest listed tester that does is [Hernandez Road Service LLC](https://ctcfinder.com/tester/hernandez-road-service-llc-palmdale/) (about 1 mile). Trucks from 2013 on get an OBD scan instead. ### How much does Heavy Truck Testing charge for a Clean Truck Check? Heavy Truck Testing has not published prices with us; call (661) 998-6073 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 Heavy Truck Testing a CARB-credentialed tester? Heavy Truck Testing 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 - **[Classic Smog Test Only](https://ctcfinder.com/tester/classic-smog-test-only-palmdale/)** — 37925 Sierra Hwy Ste K, Palmdale, CA 93550 — (818) 625-2888 — 1 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Classicsmog Test Center](https://ctcfinder.com/tester/classicsmog-test-center-palmdale/)** — 37925 Sierra Highway, Palmdale, CA 93550 — (661) 965-5952 — 1 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Freight Here LLC](https://ctcfinder.com/tester/freight-here-llc-palmdale/)** — 210 E Avenue R4, Palmdale, CA 93550 — (661) 350-0674 — 1 mi. Services: mobile testing, OBD testing. - **[Hernandez Road Service LLC](https://ctcfinder.com/tester/hernandez-road-service-llc-palmdale/)** — 38333 6th St E, Palmdale, CA 93550 — (818) 309-6865 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Hernandez Sergio](https://ctcfinder.com/tester/hernandez-sergio-palmdale/)** — Palmdale, CA 93550 — (213) 210-0129 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Rapid Truck Check](https://ctcfinder.com/tester/rapid-truck-check-palmdale/)** — 36556 Palomino Court, Palmdale, CA 93550 — (818) 913-2136 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.