---
title: "Caltrans Shop 11 — Clean Truck Check, San Diego, CA"
description: "Caltrans Shop 11 in San Diego, CA is on CARB's Clean Truck Check tester list.  Phone, address and nearby testers."
url: "https://ctcfinder.com/tester/caltrans-shop-11-san-diego/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Caltrans Shop 11

Clean Truck Check tester in San Diego, CA (San Diego 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 | 7179 Opportunity Rd, San Diego, CA 92111 |
| County | San Diego County |
| Phone | (619) 843-1127 |
| Mobile testing | No |
| OBD testing | No |
| Smoke opacity (non-OBD) | No |
| Motorhomes | No |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Caltrans Shop 11 can test

| Your vehicle | Test required | This tester |
|---|---|---|
| Diesel, model year 2013 or newer | OBD scan | Not listed |
| Alternative fuel (natural gas, propane), 2018 or newer | OBD scan | Not listed |
| 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 Diesel Pollution Sol in San Diego, about 1 mile away. [See listing](https://ctcfinder.com/tester/diesel-pollution-sol-san-diego/).

If you need a tester at your yard, the nearest listed tester that offers mobile testing is Diesel Pollution Sol in San Diego, about 1 mile away. [See listing](https://ctcfinder.com/tester/diesel-pollution-sol-san-diego/).

## Clean Truck Check testers in San Diego County

Caltrans Shop 11 is one of 178 testing businesses in San Diego County on CARB's public tester list. 157 of them offer mobile testing and 91 do smoke opacity tests. In San Diego itself there are 42 listed businesses, 30 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 Caltrans Shop 11 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 [Diesel Pollution Sol](https://ctcfinder.com/tester/diesel-pollution-sol-san-diego/) (about 1 mile).

### Can Caltrans Shop 11 test a 2012 or older diesel truck?

Caltrans Shop 11 does not list smoke opacity testing, which older non-OBD diesel trucks need. The nearest listed tester that does is [Diesel Pollution Sol](https://ctcfinder.com/tester/diesel-pollution-sol-san-diego/) (about 1 mile). Trucks from 2013 on get an OBD scan instead.

### How much does Caltrans Shop 11 charge for a Clean Truck Check?

Caltrans Shop 11 has not published prices with us; call (619) 843-1127 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 Caltrans Shop 11 a CARB-credentialed tester?

Caltrans Shop 11 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

- **[Basile Construction](https://ctcfinder.com/tester/basile-construction-san-diego/)** — 7952 Armour St, San Diego, CA 92111 — (619) 203-2638 — 1 mi. Services: OBD testing.
- **[Diesel Pollution Sol](https://ctcfinder.com/tester/diesel-pollution-sol-san-diego/)** — 5704 Copley Dr, San Diego, CA 92111 — (760) 518-1617 — 1 mi. 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 — 1 mi. 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 — 1 mi. 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 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome 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 — 2 mi. Services: OBD testing, smoke opacity (non-OBD) testing, motorhome testing.