Redwood Emissions Testing
Clean Truck Check tester in Sacramento, CA (Sacramento County).
- Mobile testing
- OBD test
- Motorhomes
Redwood Emissions Testing 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
- 1761 N Breezy Meadow Dr, Sacramento, CA 95834
- County
- Sacramento County
- Phone
- (707) 548-7916
- Mobile testing
- Yes — comes to your yard
- OBD testing
- Yes
- Smoke opacity (non-OBD)
- No
- Motorhomes
- Yes
- Credentialed testers
- 1
- Last verified
Call (707) 548-7916 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 Redwood Emissions Testing can test
The test CARB requires depends on the engine's fuel and model year. Based on the services Redwood Emissions Testing 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 carbdieseltest.com in Sacramento, about 1 mile away. See listing.
Clean Truck Check testers in Sacramento County
Redwood Emissions Testing is one of 131 testing businesses in Sacramento County on CARB's public tester list. 118 of them offer mobile testing and 71 do smoke opacity tests. In Sacramento itself there are 68 listed businesses, 59 of them mobile. All testers in Sacramento 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 Redwood Emissions Testing 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 Redwood Emissions Testing offer mobile Clean Truck Check testing?
Yes. Redwood Emissions Testing 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 Redwood Emissions Testing test a 2012 or older diesel truck?
Redwood Emissions Testing does not list smoke opacity testing, which older non-OBD diesel trucks need. The nearest listed tester that does is carbdieseltest.com (about 1 mile). Trucks from 2013 on get an OBD scan instead.
How much does Redwood Emissions Testing charge for a Clean Truck Check?
Redwood Emissions Testing has not published prices with us; call (707) 548-7916 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 Redwood Emissions Testing a CARB-credentialed tester?
Redwood Emissions Testing 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 Sacramento
-
carbdieseltest.com
- Mobile testing
- OBD test
- Smoke opacity
- Motorhomes
-
Donald Tichenor
-
Kyle Wilson
- Mobile testing
- OBD test
- Smoke opacity
- Motorhomes
-
Nikolay Pugach
- OBD test
-
Vahid Vahdati
- Mobile testing
- OBD test
- Motorhomes
-
Abdurehman Junaid
- Mobile testing
- OBD test
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.