---
title: "Jspeed — Clean Truck Check, Santa Clara, CA | CTC Finder"
description: "Jspeed in Santa Clara, CA is on CARB's Clean Truck Check tester list. Offers OBD testing, motorhome testing. Phone, address and nearby testers."
url: "https://ctcfinder.com/tester/jspeed-santa-clara/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Jspeed

Clean Truck Check tester in Santa Clara, CA (Santa Clara 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 | 3610 Bassett St Suite 7, Santa Clara, CA 95054 |
| County | Santa Clara County |
| Phone | (408) 988-0076 |
| Mobile testing | No |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | No |
| Motorhomes | Yes |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Jspeed 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 IH in Santa Clara, about 1 mile away. [See listing](https://ctcfinder.com/tester/ih-santa-clara/).

If you need a tester at your yard, the nearest listed tester that offers mobile testing is IH in Santa Clara, about 1 mile away. [See listing](https://ctcfinder.com/tester/ih-santa-clara/).

## Clean Truck Check testers in Santa Clara County

Jspeed is one of 79 testing businesses in Santa Clara County on CARB's public tester list. 67 of them offer mobile testing and 27 do smoke opacity tests. In Santa Clara itself there are 3 listed businesses, 2 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 Jspeed 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 [IH](https://ctcfinder.com/tester/ih-santa-clara/) (about 1 mile).

### Can Jspeed test a 2012 or older diesel truck?

Jspeed does not list smoke opacity testing, which older non-OBD diesel trucks need. The nearest listed tester that does is [IH](https://ctcfinder.com/tester/ih-santa-clara/) (about 1 mile). Trucks from 2013 on get an OBD scan instead.

### How much does Jspeed charge for a Clean Truck Check?

Jspeed has not published prices with us; call (408) 988-0076 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 Jspeed a CARB-credentialed tester?

Jspeed 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

- **[IH](https://ctcfinder.com/tester/ih-santa-clara/)** — 2287 Lenox Pl, Santa Clara, CA 95054 — (408) 593-3050 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[RJ Express Services LLC](https://ctcfinder.com/tester/rj-express-services-llc-santa-clara/)** — 1555 Laurelwood Rd Suite 6, Santa Clara, CA 95054 — (415) 871-1361 — 1 mi. Services: mobile testing, OBD testing.
- **[Smog Check Car](https://ctcfinder.com/tester/smog-check-car-sunnyvale/)** — 698 N Fair Oaks Ave, Sunnyvale, CA 94085 — (408) 966-8200 — 3 mi. Services: OBD testing, motorhome testing.
- **[Benjamin Nguyen](https://ctcfinder.com/tester/benjamin-nguyen-san-jose/)** — San Jose, CA 95131 — (408) 964-8829 — 4 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Ed Boland](https://ctcfinder.com/tester/ed-boland-san-jose/)** — San Jose, CA 95131 — (408) 997-9229 — 4 mi. Services: mobile testing, OBD testing.
- **[Jose Medina](https://ctcfinder.com/tester/jose-medina-san-jose/)** — San Jose, CA 95131 — (408) 838-1146 — 4 mi. Services: OBD testing, smoke opacity (non-OBD) testing.