EV Auto Service LLC
Clean Truck Check tester in San Mateo, CA (San Mateo County).
- Mobile testing
- OBD test
- Motorhomes
EV Auto Service LLC appears on CARB's public list of credentialed Clean Truck Check testers. It lists mobile testing, OBD testing, motorhome testing. Mobile testing means the tester can come to your yard or job site.
- Location
- 110 S Claremont St, San Mateo, CA 94401
- County
- San Mateo County
- Phone
- (650) 293-7738
- Mobile testing
- Yes — comes to your yard
- OBD testing
- Yes
- Smoke opacity (non-OBD)
- No
- Motorhomes
- Yes
- Credentialed testers
- 1
- Last verified
Call (650) 293-7738 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 and any mobile trip fee. Typical published prices for an OBD test are $50–$135 per vehicle (see cost guide).
Which trucks EV Auto Service LLC can test
The test CARB requires depends on the engine's fuel and model year. Based on the services EV Auto Service LLC lists on CARB's tester list:
| 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 Less Smog Check in San Mateo, about 3 miles away. See listing.
Clean Truck Check testers in San Mateo County
EV Auto Service LLC is one of 31 testing businesses in San Mateo County on CARB's public tester list. 27 of them offer mobile testing and 17 do smoke opacity tests. In San Mateo itself there are 4 listed businesses, 3 of them mobile. All testers in San Mateo 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 EV Auto Service LLC 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 EV Auto Service LLC offer mobile Clean Truck Check testing?
Yes. EV Auto Service LLC 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 EV Auto Service LLC test a 2012 or older diesel truck?
EV Auto Service LLC does not list smoke opacity testing, which older non-OBD diesel trucks need. The nearest listed tester that does is Less Smog Check (about 3 miles). Trucks from 2013 on get an OBD scan instead.
How much does EV Auto Service LLC charge for a Clean Truck Check?
EV Auto Service LLC has not published prices with us; call (650) 293-7738 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 EV Auto Service LLC a CARB-credentialed tester?
EV Auto Service LLC 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 San Mateo
-
Charlotte Cuschieri
- OBD test
- Motorhomes
-
Less Smog Check
- Mobile testing
- OBD test
- Smoke opacity
- Motorhomes
-
Mobile Golden State Emissions San Mateo
- Mobile testing
- OBD test
- Motorhomes
-
Mohammad Najafpir
- Mobile testing
- OBD test
- Motorhomes
-
Carbcheck1
- Mobile testing
- OBD test
- Smoke opacity
- Motorhomes
-
Holly Smog
- Mobile testing
- OBD test
- Motorhomes
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.