---
title: "Frank4CARB - Same-Day Mobile Service — Clean Truck Check, Paramount, CA"
description: "Frank4CARB - Same-Day Mobile Service in Paramount, CA is on CARB's Clean Truck Check tester list. Offers mobile testing, OBD testing, smoke opacity (non-OBD)…"
url: "https://ctcfinder.com/tester/frank4carb-same-day-mobile-service-paramount/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Frank4CARB - Same-Day Mobile Service

Clean Truck Check tester in Paramount, CA (Los Angeles 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 | 15731 Paramount Blvd STE B, Paramount, CA 90723 |
| County | Los Angeles County |
| Phone | (949) 632-6277 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | Yes |
| Motorhomes | Yes |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Frank4CARB - Same-Day Mobile Service 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 | Yes |
| California-registered motorhome | Same test as above by engine year, once a year | Yes |

## Clean Truck Check testers in Los Angeles County

Frank4CARB - Same-Day Mobile Service 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 Paramount itself there are 3 listed businesses, 3 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 Frank4CARB - Same-Day Mobile Service offer mobile Clean Truck Check testing?

Yes. Frank4CARB - Same-Day Mobile Service 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 Frank4CARB - Same-Day Mobile Service test a 2012 or older diesel truck?

Yes. Frank4CARB - Same-Day Mobile Service lists smoke opacity testing, the test CARB requires for diesel trucks of model year 2012 and older (no OBD). See [OBD vs smoke opacity](https://ctcfinder.com/guide/obd-vs-smoke-opacity-test/).

### How much does Frank4CARB - Same-Day Mobile Service charge for a Clean Truck Check?

Frank4CARB - Same-Day Mobile Service has not published prices with us; call (949) 632-6277 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 Frank4CARB - Same-Day Mobile Service a CARB-credentialed tester?

Frank4CARB - Same-Day Mobile Service 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

- **[Mauricio Arevalo](https://ctcfinder.com/tester/mauricio-arevalo-paramount/)** — Paramount, CA 90723 — (562) 489-6640 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Wolfh Diesel Electric Tech](https://ctcfinder.com/tester/wolfh-diesel-electric-tech-paramount/)** — 7236 Rood St, Paramount, CA 90723 — (310) 461-6013 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Elevate Testing Services](https://ctcfinder.com/tester/elevate-testing-services-downey/)** — 7440 LAURA ST, Downey, CA 90242 — (562) 922-5449 — 2 mi. Services: mobile testing, OBD testing.
- **[Busd](https://ctcfinder.com/tester/busd-bellflower/)** — 15330 Woodruff Ave, Bellflower, CA 90706 — (909) 568-5351 — 2 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Elizabeth Hanohano](https://ctcfinder.com/tester/elizabeth-hanohano-bellflower/)** — Bellflower, CA 90706 — (562) 650-7102 — 2 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Jacob Ochoa](https://ctcfinder.com/tester/jacob-ochoa-bellflower/)** — Bellflower, CA 90706 — (562) 338-2866 — 2 mi. Services: mobile testing, OBD testing.