One hub for fleets. Satellite city pages for SEO. Real testing is us — NorCal CARB Mobile, licensed mobile CTC.
Book / testing desk: testing@carb-clean-truck-check.com · book@ · info@
Need to see if you’re on the path? Enter your VIN.
We never invent pass/fail. Decode with the federal VIN database, then use
official CARB at cleantruckcheck.arb.ca.gov for the state’s record.
If you’re due or blocked — solutions below (mobile test, book, city pages).
check-vin on this hub — plain HTML Google can index. NHTSA decode + OBD vs smoke path + official portal. Same intent as the apps.
Field SPA (Vercel). Pair with cleantruckcheckvin.app. Great on phone after someone already found you — weak alone for SEO because Google sees an empty shell.
Alias / same product family. Keep in sync with the primary app. Not a second compliance database.
cleantruckcheck.arb.ca.gov only. Fees, vehicles, legal compliance status.
Status comes from CARB / NHTSA — never invented here. Need a mobile tester? We route by geography. San Diego County → San Diego site only, not the NorCal homepage.
Opens the right satellite site (Hayward, Stockton, SD, Sac…). Replaces old “everything → NorCal” backend links.
mobilecarbsmoketest.com — SD NAP & pricing only. Unknown city stays on NorCal / this hub router.
Call/text 916-890-4427 · say city + # trucks. We match the satellite.
CARB’s for-hire credentialed testers if you need someone else near you.
Every site below is the same licensed tester (NorCal CARB Mobile · IF530523). This hub / field app passes link equity to city & service pages so Google treats them as one network.
Text or call with: city · # trucks · OBD or smoke · preferred day. We confirm fast.
© 2026 NorCal CARB Mobile LLC — CARB Clean Truck Check J1667 · Silverback Group
norcalcarbmobile.com
· carbteststockton.com
· carb-clean-truck-check.com