Usc Smog

Clean Truck Check tester in Los Angeles, CA (Los Angeles County).

Usc Smog appears on CARB's public list of credentialed Clean Truck Check testers.

Location
3000 S Figueroa St, Los Angeles, CA 90007
County
Los Angeles County
Phone
(213) 605-1955
Mobile testing
No (test at the shop)
OBD testing
No
Smoke opacity (non-OBD)
No
Motorhomes
No
Credentialed testers
1
Last verified

Call (213) 605-1955 Open in Google Maps

Before you call

  • Have your VIN, odometer reading and plate number ready.
  • Your vehicle must be registered in CTC-VIS and the annual compliance fee paid; the tester submits the result to CARB.
  • Ask for the price per vehicle. Typical published prices for an OBD test are $50–$135 per vehicle (see cost guide).

Which trucks Usc Smog can test

The test CARB requires depends on the engine's fuel and model year. Based on the services Usc Smog lists on CARB's tester list:

Your vehicleTest requiredThis tester
Diesel, model year 2013 or newerOBD scanNot listed
Alternative fuel (natural gas, propane), 2018 or newerOBD scanNot listed
Diesel, model year 2012 or older (no OBD)Smoke opacity test (SAE J1667) plus visual inspectionNot listed
California-registered motorhomeSame test as above by engine year, once a yearNot listed

For a 2012 or older diesel, the nearest listed tester with smoke opacity testing is LA Smog Center in Los Angeles, about 1 mile away. See listing.

If you need a tester at your yard, the nearest listed tester that offers mobile testing is LA Smog Center in Los Angeles, about 1 mile away. See listing.

Clean Truck Check testers in Los Angeles County

Usc Smog 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 Los Angeles itself there are 69 listed businesses, 60 of them mobile. All testers in Los Angeles County.

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. You can test up to 90 days before a deadline. Get a free email reminder before each one.

How to check a tester's credential

CARB publishes its Clean Truck Check tester list, where Usc Smog appears as of November 1, 2026. Listing there is optional, so a missing name does not always mean a tester is not credentialed. After the test, check that the passing result shows for your vehicle in CTC-VIS; that is what counts for compliance.

Frequently asked questions

Does Usc Smog 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 LA Smog Center (about 1 mile).

Can Usc Smog test a 2012 or older diesel truck?

Usc Smog does not list smoke opacity testing, which older non-OBD diesel trucks need. The nearest listed tester that does is LA Smog Center (about 1 mile). Trucks from 2013 on get an OBD scan instead.

How much does Usc Smog charge for a Clean Truck Check?

Usc Smog has not published prices with us; call (213) 605-1955 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.

Is Usc Smog a CARB-credentialed tester?

Usc Smog 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 near Los Angeles

Source: CARB's public Clean Truck Check tester list, last checked . Listing on CARB's list is optional for testers, so some credentialed testers are not shown. Services, hours and prices change; please confirm with the tester before you go. Something wrong? Send a correction.

Call (213) 605-1955