--- title: "Ochoa Smog — Clean Truck Check, Hanford, CA | CTC Finder" description: "Ochoa Smog in Hanford, CA is on CARB's Clean Truck Check tester list. Offers OBD testing. Phone, address and nearby testers." url: "https://ctcfinder.com/tester/ochoa-smog-hanford/" updated: "2026-11-01" publisher: "CTC Finder (independent directory, not affiliated with CARB)" --- # Ochoa Smog Clean Truck Check tester in Hanford, CA (Kings 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 | 307 E 4th St, Hanford, CA 93230 | | County | Kings County | | Phone | (559) 707-9030 | | Mobile testing | No | | OBD testing | Yes | | Smoke opacity (non-OBD) | No | | Motorhomes | No | | Credentialed testers | 1 | | Last verified | 2026-11-01 | ## Which trucks Ochoa Smog 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 | Not listed | For a 2012 or older diesel, the nearest listed tester with smoke opacity testing is Alves & Sons Diesel Repair in Hanford, about 1 mile away. [See listing](https://ctcfinder.com/tester/alves-and-sons-diesel-repair-hanford/). If you need a tester at your yard, the nearest listed tester that offers mobile testing is Alves & Sons Diesel Repair in Hanford, about 1 mile away. [See listing](https://ctcfinder.com/tester/alves-and-sons-diesel-repair-hanford/). ## Clean Truck Check testers in Kings County Ochoa Smog is one of 13 testing businesses in Kings County on CARB's public tester list. 11 of them offer mobile testing and 4 do smoke opacity tests. In Hanford itself there are 7 listed businesses, 5 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 Ochoa Smog 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 [Alves & Sons Diesel Repair](https://ctcfinder.com/tester/alves-and-sons-diesel-repair-hanford/) (about 1 mile). ### Can Ochoa Smog test a 2012 or older diesel truck? Ochoa Smog does not list smoke opacity testing, which older non-OBD diesel trucks need. The nearest listed tester that does is [Alves & Sons Diesel Repair](https://ctcfinder.com/tester/alves-and-sons-diesel-repair-hanford/) (about 1 mile). Trucks from 2013 on get an OBD scan instead. ### How much does Ochoa Smog charge for a Clean Truck Check? Ochoa Smog has not published prices with us; call (559) 707-9030 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 Ochoa Smog a CARB-credentialed tester? Ochoa Smog 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 - **[Alves & Sons Diesel Repair](https://ctcfinder.com/tester/alves-and-sons-diesel-repair-hanford/)** — 11182 9 3/4 Ave, Hanford, CA 93230 — (559) 584-6769 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Alves & Sons Diesel Repair, Inc.](https://ctcfinder.com/tester/alves-and-sons-diesel-repair-inc-hanford/)** — 11182 9 3/4 Ave, Hanford, CA 93230 — (559) 380-5398 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Holloway Construction, Inc.](https://ctcfinder.com/tester/holloway-construction-inc-hanford/)** — 13069 13th Rd W, Hanford, CA 93230 — (559) 772-9060 — 1 mi. Services: OBD testing, motorhome testing. - **[Little Worley's Auto Electric](https://ctcfinder.com/tester/little-worleys-auto-electric-hanford/)** — 351 W 4th St, Hanford, CA 93230 — (559) 589-3755 — 1 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Ricardo Diesel smog](https://ctcfinder.com/tester/ricardo-diesel-smog-hanford/)** — 4062 13 1/4 Ave, Hanford, CA 93230 — (559) 545-8561 — 1 mi. Services: mobile testing, OBD testing. - **[Valley Wide Clean Truck Check](https://ctcfinder.com/tester/valley-wide-clean-truck-check-hanford/)** — 3384 N Discovery Way, Hanford, CA 93230 — (559) 904-2943 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.