--- title: "Clean Truck Check Testers in National City, CA (5 listed)" description: "Find 5 CARB-credentialed Clean Truck Check testers in National City, San Diego County: 5 offer mobile testing, 0 do smoke opacity tests. Phone numbers…" url: "https://ctcfinder.com/testers/san-diego-county/national-city/" updated: "2026-11-01" publisher: "CTC Finder (independent directory, not affiliated with CARB)" --- # Clean Truck Check testers in National City, CA 5 testing businesses in National City (San Diego County) are on CARB's public Clean Truck Check tester list (5 credentialed testers). 5 offer mobile testing, 0 do smoke opacity tests, 3 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 National City - **[Darren Bicknel](https://ctcfinder.com/tester/darren-bicknel-national-city/)** — National City, CA 91950 — (858) 462-6225. Services: mobile testing, OBD testing, motorhome testing. - **[Keith Ryg](https://ctcfinder.com/tester/keith-ryg-national-city/)** — National City, CA 91950 — (619) 389-9006. Services: mobile testing, OBD testing, motorhome testing. - **[Peter Oshana](https://ctcfinder.com/tester/peter-oshana-national-city/)** — National City, CA 91950 — (619) 820-6051. Services: mobile testing, OBD testing. - **[Q&E Auto REG](https://ctcfinder.com/tester/q-and-e-auto-reg-national-city/)** — 1031 National City Blvd, National City, CA 91950 — (619) 874-6131. Services: mobile testing, OBD testing. - **[R. B. Enterprises](https://ctcfinder.com/tester/r-b-enterprises-national-city/)** — 1331 East 24Th Street, National City, CA 91950 — (619) 977-0081. Services: mobile testing, OBD testing, motorhome testing. ## More testers within 20 miles - **[Jorge Delatorre](https://ctcfinder.com/tester/jorge-delatorre-san-diego/)** — San Diego, CA 92113 — (619) 261-3883 — 2 mi. Services: mobile testing, OBD testing, motorhome testing. - **[San Diego Smog and Automotive](https://ctcfinder.com/tester/san-diego-smog-and-automotive-san-diego/)** — 2250 Logan Ave, San Diego, CA 92113 — (619) 480-4282 — 2 mi. Services: OBD testing, motorhome testing. - **[Adam Al-Assaly](https://ctcfinder.com/tester/adam-al-assaly-chula-vista/)** — Chula Vista, CA 91910 — (619) 587-0961 — 3 mi. Services: mobile testing, OBD testing. - **[Amer Issa](https://ctcfinder.com/tester/amer-issa-chula-vista/)** — Chula Vista, CA 91910 — (619) 559-2273 — 3 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Cutting Edge Truck Check](https://ctcfinder.com/tester/cutting-edge-truck-check-chula-vista/)** — 172 N Del Mar Ave, Chula Vista, CA 91910 — (858) 255-1122 — 3 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Fleet Emissions Solutions](https://ctcfinder.com/tester/fleet-emissions-solutions-chula-vista/)** — 943 Redbud Rd, Chula Vista, CA 91910 — (619) 709-8543 — 3 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Manikis CTC Testing (MOBILE ONSITE)](https://ctcfinder.com/tester/manikis-ctc-testing-mobile-onsite-chula-vista/)** — Chula Vista, CA 91910 — (619) 777-6145 — 3 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Star Smog Check San Diego](https://ctcfinder.com/tester/star-smog-check-san-diego-san-diego/)** — 5075 Federal Boulevard, San Diego, CA 92102 — (619) 576-2613 — 4 mi. Services: OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Chula Vista Auto Care](https://ctcfinder.com/tester/chula-vista-auto-care-chula-vista/)** — 898 Broadway, Chula Vista, CA 91911 — (619) 888-0468 — 5 mi. Services: OBD testing, motorhome testing. - **[David Nunez](https://ctcfinder.com/tester/david-nunez-chula-vista/)** — Chula Vista, CA 91911 — (619) 985-4999 — 5 mi. Services: OBD testing, motorhome testing. - **[Fj Willert Contracting](https://ctcfinder.com/tester/fj-willert-contracting-chula-vista/)** — Chula Vista, CA 91911 — (619) 864-5623 — 5 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Joshua Martinez](https://ctcfinder.com/tester/joshua-martinez-chula-vista/)** — Chula Vista, CA 91911 — (619) 942-4503 — 5 mi. Services: mobile testing, OBD testing, motorhome testing. ## Trucking in National City San Diego County includes the Otay Mesa border crossing, California's busiest commercial truck crossing at about one million trucks a year (GSA, 2022). ## 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 National City? CTC Finder lists 5 testing businesses in National City from CARB's public tester list (5 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 National City? Yes. 5 listed businesses in National City 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 National City? 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 - [San Diego](https://ctcfinder.com/testers/san-diego-county/san-diego/) — 42 listings, 4 mi - [Chula Vista](https://ctcfinder.com/testers/san-diego-county/chula-vista/) — 15 listings, 4 mi - [Santee](https://ctcfinder.com/testers/san-diego-county/santee/) — 6 listings, 14 mi - [El Cajon](https://ctcfinder.com/testers/san-diego-county/el-cajon/) — 24 listings, 15 mi - [Lakeside](https://ctcfinder.com/testers/san-diego-county/lakeside/) — 12 listings, 20 mi - [Poway](https://ctcfinder.com/testers/san-diego-county/poway/) — 3 listings, 22 mi - [Ramona](https://ctcfinder.com/testers/san-diego-county/ramona/) — 6 listings, 30 mi - [Escondido](https://ctcfinder.com/testers/san-diego-county/escondido/) — 13 listings, 33 mi - [San Marcos](https://ctcfinder.com/testers/san-diego-county/san-marcos/) — 4 listings, 33 mi - [Carlsbad](https://ctcfinder.com/testers/san-diego-county/carlsbad/) — 3 listings, 35 mi