---
title: "PRG Services — Clean Truck Check, Lompoc, CA | CTC Finder"
description: "PRG Services in Lompoc, CA is on CARB's Clean Truck Check tester list. Offers mobile testing, OBD testing. Phone, address and nearby testers."
url: "https://ctcfinder.com/tester/prg-services-lompoc/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# PRG Services

Clean Truck Check tester in Lompoc, CA (Santa Barbara 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 | 4280 Constellation Rd, Lompoc, CA 93436 |
| County | Santa Barbara County |
| Phone | (805) 868-3871 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | No |
| Motorhomes | No |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks PRG Services 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 TruckSmog in Buellton, about 8 miles away. [See listing](https://ctcfinder.com/tester/trucksmog-buellton/).

## Clean Truck Check testers in Santa Barbara County

PRG Services is one of 31 testing businesses in Santa Barbara County on CARB's public tester list. 30 of them offer mobile testing and 13 do smoke opacity tests.

## 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 PRG Services offer mobile Clean Truck Check testing?

Yes. PRG Services says on CARB's tester list that it offers mobile testing, so it can come to your yard or job site. Ask about a trip fee when you call.

### Can PRG Services test a 2012 or older diesel truck?

PRG Services does not list smoke opacity testing, which older non-OBD diesel trucks need. The nearest listed tester that does is [TruckSmog](https://ctcfinder.com/tester/trucksmog-buellton/) (about 8 miles). Trucks from 2013 on get an OBD scan instead.

### How much does PRG Services charge for a Clean Truck Check?

PRG Services has not published prices with us; call (805) 868-3871 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 PRG Services a CARB-credentialed tester?

PRG Services 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

- **[AAA Hodges Automotive Lompoc](https://ctcfinder.com/tester/aaa-hodges-automotive-lompoc-lompoc/)** — 807 E Chestnut Ave, Lompoc, CA 93436 — (805) 588-8328 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[TruckSmog](https://ctcfinder.com/tester/trucksmog-buellton/)** — 290 Kendale Rd, Buellton, CA 93427 — (805) 284-2455 — 8 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Travis Gomez](https://ctcfinder.com/tester/travis-gomez-orcutt/)** — Orcutt, CA 93455 — (831) 206-1643 — 18 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Cetti_Services Unlimited, Inc](https://ctcfinder.com/tester/cetti-services-unlimited-inc-santa-maria/)** — 1341 W McCoy Ln, Santa Maria, CA 93455 — (805) 207-8602 — 18 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Coast Diesel Service](https://ctcfinder.com/tester/coast-diesel-service-santa-maria/)** — 1104 Via Pavion, Santa Maria, CA 93455 — (805) 310-1182 — 18 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Deadline transit inspection](https://ctcfinder.com/tester/deadline-transit-inspection-santa-maria/)** — 522 Drake Dr, Santa Maria, CA 93455 — (805) 598-8228 — 18 mi. Services: mobile testing, OBD testing, motorhome testing.