---
title: "Clean Truck Check Testers in San Diego, CA (42 listed)"
description: "Find 42 CARB-credentialed Clean Truck Check testers in San Diego, San Diego County: 30 offer mobile testing, 25 do smoke opacity tests. Phone numbers, services…"
url: "https://ctcfinder.com/testers/san-diego-county/san-diego/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Clean Truck Check testers in San Diego, CA

42 testing businesses in San Diego (San Diego County) are on CARB's public Clean Truck Check tester list (50 credentialed testers). 30 offer mobile testing, 25 do smoke opacity tests, 28 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 San Diego

- **[Draco Trucks](https://ctcfinder.com/tester/draco-trucks-san-diego/)** — 7424 Mission Gorge Road, San Diego, CA 92120 — (619) 287-7300. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing.
- **[Kearny Mesa Truck Center](https://ctcfinder.com/tester/kearny-mesa-truck-center-san-diego/)** — 5624 Kearny Villa Road, San Diego, CA 92123 — (858) 571-5495. Services: OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[AAA Smog & Repair Center](https://ctcfinder.com/tester/aaa-smog-and-repair-center-san-diego/)** — 7176 El Cajon Boulevard, San Diego, CA 92115 — (619) 312-9202. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[AB San Diego](https://ctcfinder.com/tester/ab-san-diego-san-diego/)** — San Diego, CA 92109 — (619) 987-0667. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Adrian Valle Jr](https://ctcfinder.com/tester/adrian-valle-jr-san-diego/)** — San Diego, CA 92154 — (619) 289-1139. Services: mobile testing, OBD testing.
- **[Airlimits-San Diego](https://ctcfinder.com/tester/airlimits-san-diego-san-diego/)** — San Diego, CA 92109 — (800) 788-5241. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Alpilogistics LLC](https://ctcfinder.com/tester/alpilogistics-llc-san-diego/)** — 1601 Landmark Road, San Diego, CA 92154 — (619) 734-8807. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Apex Autohaus, Inc.](https://ctcfinder.com/tester/apex-autohaus-inc-san-diego/)** — 6906 Miramar Rd Suite C, San Diego, CA 92121 — (307) 776-1951. Services: mobile testing, OBD testing.
- **[Basile Construction](https://ctcfinder.com/tester/basile-construction-san-diego/)** — 7952 Armour St, San Diego, CA 92111 — (619) 203-2638. Services: OBD testing.
- **[California Diesel Compliance Co](https://ctcfinder.com/tester/california-diesel-compliance-co-san-diego/)** — 1985 Friendship Dr Ste L, San Diego, CA 92020 — (619) 449-4788. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Caltrans Shop 11](https://ctcfinder.com/tester/caltrans-shop-11-san-diego/)** — 7179 Opportunity Rd, San Diego, CA 92111 — (619) 843-1127. Services: not listed.
- **[Cargo Pride](https://ctcfinder.com/tester/cargo-pride-san-diego/)** — San Diego, CA 92154 — (224) 326-0075. Services: OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Clean Truck Check Mobile of San Diego](https://ctcfinder.com/tester/clean-truck-check-mobile-of-san-diego-san-diego/)** — 9450 Mira Mesa Blvd Suite C 601, San Diego, CA 92126 — (619) 212-1058. Services: mobile testing, OBD testing.
- **[Crown Xpress Transport Inc](https://ctcfinder.com/tester/crown-xpress-transport-inc-san-diego/)** — 2288 Airway Ln, San Diego, CA 92154 — (619) 554-4080. Services: OBD testing, smoke opacity (non-OBD) testing.
- **[Damion Scott](https://ctcfinder.com/tester/damion-scott-san-diego/)** — San Diego, CA 92128 — (619) 999-7089. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Diesel Pollution Sol](https://ctcfinder.com/tester/diesel-pollution-sol-san-diego/)** — 5704 Copley Dr, San Diego, CA 92111 — (760) 518-1617. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Diesel Pollution Solutions](https://ctcfinder.com/tester/diesel-pollution-solutions-san-diego/)** — 5704 Copley Drive, San Diego, CA 92111 — (760) 822-7129. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[DPS](https://ctcfinder.com/tester/dps-san-diego/)** — 5704 Copley Dr, San Diego, CA 92111 — (858) 737-8235. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[DV Compliance solutions](https://ctcfinder.com/tester/dv-compliance-solutions-san-diego/)** — 2475 Paseo de las Americas, San Diego, CA 92154 — (619) 386-2299. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Genesee Auto Care](https://ctcfinder.com/tester/genesee-auto-care-san-diego/)** — 7515 Clairemont Mesa Boulevard, San Diego, CA 92111 — (619) 371-2100. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Jesus Montoya](https://ctcfinder.com/tester/jesus-montoya-san-diego/)** — San Diego, CA 92115 — (619) 245-9141. Services: mobile testing, OBD testing, motorhome testing.
- **[Johanan Ramos - CA Road Techs LLC](https://ctcfinder.com/tester/johanan-ramos-ca-road-techs-llc-san-diego/)** — 9765 Marconi Dr Suite 200 A, San Diego, CA 92154 — (760) 425-0308. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Jorge Delatorre](https://ctcfinder.com/tester/jorge-delatorre-san-diego/)** — San Diego, CA 92113 — (619) 261-3883. Services: mobile testing, OBD testing, motorhome testing.
- **[Juan Castro Aviles](https://ctcfinder.com/tester/juan-castro-aviles-san-diego/)** — San Diego, CA 92154 — (619) 765-8073. Services: OBD testing.
- **[Klinton Zeek](https://ctcfinder.com/tester/klinton-zeek-san-diego/)** — San Diego, CA 92121 — (760) 258-6896. Services: mobile testing, OBD testing, motorhome testing.
- **[LTEK Diagnostics](https://ctcfinder.com/tester/ltek-diagnostics-san-diego/)** — 1550 Balchen Way, San Diego, CA 92154 — (619) 869-1455. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Luis Larios](https://ctcfinder.com/tester/luis-larios-san-diego/)** — San Diego, CA 92154 — (858) 354-0140. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Mcas Miramar](https://ctcfinder.com/tester/mcas-miramar-san-diego/)** — San Diego, CA 92145 — (858) 349-0115. Services: OBD testing, smoke opacity (non-OBD) testing.
- **[Mobile Diesel Smoke Test](https://ctcfinder.com/tester/mobile-diesel-smoke-test-san-diego/)** — 2498 Roll Dr, San Diego, CA 92154 — (664) 697-3295. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Mobile truck check plus service llc](https://ctcfinder.com/tester/mobile-truck-check-plus-service-llc-san-diego/)** — 7275 Siempre Viva Rd suit b, San Diego, CA 92154 — (619) 942-0718. Services: mobile testing, OBD testing.
- **[Nielsen Beaumont Marine Inc.](https://ctcfinder.com/tester/nielsen-beaumont-marine-inc-san-diego/)** — 2420 Shelter Island Dr, San Diego, CA 92106 — (619) 571-6411. Services: not listed.
- **[Pacific Shellfish](https://ctcfinder.com/tester/pacific-shellfish-san-diego/)** — 5040 Cass St, San Diego, CA 92109 — (805) 907-6701. Services: OBD testing.
- **[Platform Science](https://ctcfinder.com/tester/platform-science-san-diego/)** — San Diego, CA 92121 — (619) 843-1383. Services: OBD testing.
- **[Republic Moving and Storage](https://ctcfinder.com/tester/republic-moving-and-storage-san-diego/)** — San Diego, CA 92154 — (619) 577-6238. Services: mobile testing, OBD testing, motorhome testing.
- **[Ricardo Camacho](https://ctcfinder.com/tester/ricardo-camacho-san-diego/)** — San Diego, CA 92154 — (858) 318-4334. Services: mobile testing, OBD testing, motorhome testing.
- **[Rodolfo Rodriguez](https://ctcfinder.com/tester/rodolfo-rodriguez-san-diego/)** — San Diego, CA 92104 — (760) 620-4316. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Rogelio Ramos - CA Road Techs LLC](https://ctcfinder.com/tester/rogelio-ramos-ca-road-techs-llc-san-diego/)** — 9765 Marconi Dr Suite 200 A, San Diego, CA 92154 — (760) 455-5632. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[RT](https://ctcfinder.com/tester/rt-san-diego/)** — San Diego, CA 92154 — (619) 494-6770. Services: mobile testing, OBD testing, smoke opacity (non-OBD) 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. Services: 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. Services: OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Strong Mobile Diesel LLC](https://ctcfinder.com/tester/strong-mobile-diesel-llc-san-diego/)** — 5052 Clairemont Drive, San Diego, CA 92117 — (858) 753-4373. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Velocity Truck Center](https://ctcfinder.com/tester/velocity-truck-center-san-diego/)** — 6066 Miramar Road, San Diego, CA 92121 — (619) 247-8140. Services: mobile testing, OBD testing, motorhome testing.

## More testers within 20 miles

- **[Smog Or Tune](https://ctcfinder.com/tester/smog-or-tune-lemon-grove/)** — 7644 Broadway, Lemon Grove, CA 91945 — (619) 647-3594 — 3 mi. Services: OBD testing, motorhome testing.
- **[Darren Bicknel](https://ctcfinder.com/tester/darren-bicknel-national-city/)** — National City, CA 91950 — (858) 462-6225 — 4 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Keith Ryg](https://ctcfinder.com/tester/keith-ryg-national-city/)** — National City, CA 91950 — (619) 389-9006 — 4 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Peter Oshana](https://ctcfinder.com/tester/peter-oshana-national-city/)** — National City, CA 91950 — (619) 820-6051 — 4 mi. 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 — 4 mi. 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 — 4 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Avalos Mobile Smog Check](https://ctcfinder.com/tester/avalos-mobile-smog-check-la-mesa/)** — 7504 Parkway Drive #109, La Mesa, CA 91942 — (619) 734-6652 — 5 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Dekra Services Inc.](https://ctcfinder.com/tester/dekra-services-inc-la-mesa/)** — 9089 Dallas St, La Mesa, CA 91942 — (619) 460-7664 — 5 mi. Services: OBD testing.
- **[Edward Gomez](https://ctcfinder.com/tester/edward-gomez-spring-valley/)** — Spring Valley, CA 91977 — (619) 343-6370 — 5 mi. Services: mobile testing, OBD testing.
- **[Fleet Emissions Solutions](https://ctcfinder.com/tester/fleet-emissions-solutions-spring-valley/)** — 9096 AVOCADO ST, Spring Valley, CA 91977 — (619) 735-0836 — 5 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Adam Al-Assaly](https://ctcfinder.com/tester/adam-al-assaly-chula-vista/)** — Chula Vista, CA 91910 — (619) 587-0961 — 6 mi. Services: mobile testing, OBD testing.
- **[Amer Issa](https://ctcfinder.com/tester/amer-issa-chula-vista/)** — Chula Vista, CA 91910 — (619) 559-2273 — 6 mi. Services: mobile testing, OBD testing, motorhome testing.

## Trucking in San Diego

San Diego testers also serve the Otay Mesa border crossing, California's busiest commercial truck crossing at about one million trucks a year (GSA, 2022). Trucks from Mexico that operate in California are subject to Clean Truck Check.

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 San Diego?

CTC Finder lists 42 testing businesses in San Diego from CARB's public tester list (50 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 San Diego?

Yes. 30 listed businesses in San Diego 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 San Diego?

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

- [National City](https://ctcfinder.com/testers/san-diego-county/national-city/) — 5 listings, 4 mi
- [Chula Vista](https://ctcfinder.com/testers/san-diego-county/chula-vista/) — 15 listings, 8 mi
- [Santee](https://ctcfinder.com/testers/san-diego-county/santee/) — 6 listings, 10 mi
- [El Cajon](https://ctcfinder.com/testers/san-diego-county/el-cajon/) — 24 listings, 12 mi
- [Lakeside](https://ctcfinder.com/testers/san-diego-county/lakeside/) — 12 listings, 17 mi
- [Poway](https://ctcfinder.com/testers/san-diego-county/poway/) — 3 listings, 18 mi
- [Ramona](https://ctcfinder.com/testers/san-diego-county/ramona/) — 6 listings, 26 mi
- [Escondido](https://ctcfinder.com/testers/san-diego-county/escondido/) — 13 listings, 29 mi
- [San Marcos](https://ctcfinder.com/testers/san-diego-county/san-marcos/) — 4 listings, 29 mi
- [Carlsbad](https://ctcfinder.com/testers/san-diego-county/carlsbad/) — 3 listings, 32 mi