---
title: "Middleman Liens — Clean Truck Check, Pacifica, CA"
description: "Middleman Liens in Pacifica, CA is on CARB's Clean Truck Check tester list. Offers mobile testing, OBD testing, motorhome testing. Phone, address and nearby…"
url: "https://ctcfinder.com/tester/middleman-liens-pacifica/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Middleman Liens

Clean Truck Check tester in Pacifica, CA (San Mateo 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 | Pacifica, CA 94044 |
| County | San Mateo County |
| Phone | (415) 305-5454 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | No |
| Motorhomes | Yes |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Middleman Liens 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 Ernesto Gutierrez in San Bruno, about 3 miles away. [See listing](https://ctcfinder.com/tester/ernesto-gutierrez-san-bruno/).

## Clean Truck Check testers in San Mateo County

Middleman Liens 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.

## 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 Middleman Liens offer mobile Clean Truck Check testing?

Yes. Middleman Liens 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 Middleman Liens test a 2012 or older diesel truck?

Middleman Liens does not list smoke opacity testing, which older non-OBD diesel trucks need. The nearest listed tester that does is [Ernesto Gutierrez](https://ctcfinder.com/tester/ernesto-gutierrez-san-bruno/) (about 3 miles). Trucks from 2013 on get an OBD scan instead.

### How much does Middleman Liens charge for a Clean Truck Check?

Middleman Liens has not published prices with us; call (415) 305-5454 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 Middleman Liens a CARB-credentialed tester?

Middleman Liens 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

- **[Anthony Ricks](https://ctcfinder.com/tester/anthony-ricks-pacifica/)** — Pacifica, CA 94044 — (415) 875-0124 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Ernesto Gutierrez](https://ctcfinder.com/tester/ernesto-gutierrez-san-bruno/)** — San Bruno, CA 94066 — (650) 686-1783 — 3 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[JTL Mobile CARB Testing](https://ctcfinder.com/tester/jtl-mobile-carb-testing-san-bruno/)** — 1282 Park Ave, San Bruno, CA 94066 — (415) 272-7467 — 3 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[MAS Global, Inc](https://ctcfinder.com/tester/mas-global-inc-san-bruno/)** — 1141 San Mateo Ave, San Bruno, CA 94066 — (650) 278-8905 — 3 mi. Services: mobile testing, OBD testing.
- **[Oleksii Tsymbal](https://ctcfinder.com/tester/oleksii-tsymbal-san-bruno/)** — San Bruno, CA 94066 — (408) 480-4155 — 3 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Mobile Golden State Emissions Testing South City](https://ctcfinder.com/tester/mobile-golden-state-emissions-testing-south-city-south-san-francisco/)** — 988 El Camino Real, South San Francisco, CA 94080 — (925) 354-4370 — 5 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.