---
title: "Silva Smog Check — Clean Truck Check, Azusa, CA | CTC Finder"
description: "Silva Smog Check in Azusa, CA is on CARB's Clean Truck Check tester list. Offers mobile testing, OBD testing, motorhome testing. Phone, address and nearby…"
url: "https://ctcfinder.com/tester/silva-smog-check-azusa/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Silva Smog Check

Clean Truck Check tester in Azusa, CA (Los Angeles 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 | 850 W Foothill Blvd Suite 2, Azusa, CA 91702 |
| County | Los Angeles County |
| Phone | (626) 806-6961 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | No |
| Motorhomes | Yes |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Silva Smog Check 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 | Yes |

For a 2012 or older diesel, the nearest listed tester with smoke opacity testing is LA LUBE inc in Azusa, about 1 mile away. [See listing](https://ctcfinder.com/tester/la-lube-inc-azusa/).

## Clean Truck Check testers in Los Angeles County

Silva Smog Check is one of 516 testing businesses in Los Angeles County on CARB's public tester list. 465 of them offer mobile testing and 190 do smoke opacity tests. In Azusa itself there are 7 listed businesses, 6 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 Silva Smog Check offer mobile Clean Truck Check testing?

Yes. Silva Smog Check 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 Silva Smog Check test a 2012 or older diesel truck?

Silva Smog Check does not list smoke opacity testing, which older non-OBD diesel trucks need. The nearest listed tester that does is [LA LUBE inc](https://ctcfinder.com/tester/la-lube-inc-azusa/) (about 1 mile). Trucks from 2013 on get an OBD scan instead.

### How much does Silva Smog Check charge for a Clean Truck Check?

Silva Smog Check has not published prices with us; call (626) 806-6961 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 Silva Smog Check a CARB-credentialed tester?

Silva Smog Check 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

- **[Bill's Truck Repair](https://ctcfinder.com/tester/bills-truck-repair-azusa/)** — 132 S Irwindale Ave, Azusa, CA 91702 — (626) 334-0285 — 1 mi. Services: OBD testing, motorhome testing.
- **[Canyon city carb](https://ctcfinder.com/tester/canyon-city-carb-azusa/)** — 155 N Dalton Ave, Azusa, CA 91702 — (626) 536-8736 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[CARB Check California](https://ctcfinder.com/tester/carb-check-california-azusa/)** — 936 Nearfield Street, Azusa, CA 91702 — (626) 250-4123 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Clean Truck Check Testing Azusa](https://ctcfinder.com/tester/clean-truck-check-testing-azusa-azusa/)** — 680 S Ayon Ave, Azusa, CA 91702 — (202) 207-8792 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[LA LUBE inc](https://ctcfinder.com/tester/la-lube-inc-azusa/)** — 1111 West Kirkwall Road, Azusa, CA 91702 — (562) 577-1928 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Mark Selinger](https://ctcfinder.com/tester/mark-selinger-azusa/)** — Azusa, CA 91702 — (213) 276-5151 — 1 mi. Services: mobile testing, OBD testing.