---
title: "Blue Sky — Clean Truck Check, Los Alamitos, CA | CTC Finder"
description: "Blue Sky in Los Alamitos, CA is on CARB's Clean Truck Check tester list. Offers mobile testing, smoke opacity (non-OBD) testing, motorhome testing. Phone…"
url: "https://ctcfinder.com/tester/blue-sky-los-alamitos/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Blue Sky

Clean Truck Check tester in Los Alamitos, CA (Orange 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 | Los Alamitos, CA 90720 |
| County | Orange County |
| Phone | (562) 537-2043 |
| Mobile testing | Yes |
| OBD testing | No |
| Smoke opacity (non-OBD) | Yes |
| Motorhomes | Yes |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Blue Sky can test

| Your vehicle | Test required | This tester |
|---|---|---|
| Diesel, model year 2013 or newer | OBD scan | Not listed |
| Alternative fuel (natural gas, propane), 2018 or newer | OBD scan | Not listed |
| 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 Orange County

Blue Sky is one of 159 testing businesses in Orange County on CARB's public tester list. 146 of them offer mobile testing and 84 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 Blue Sky offer mobile Clean Truck Check testing?

Yes. Blue Sky 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 Blue Sky test a 2012 or older diesel truck?

Yes. Blue Sky 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 Blue Sky charge for a Clean Truck Check?

Blue Sky has not published prices with us; call (562) 537-2043 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 Blue Sky a CARB-credentialed tester?

Blue Sky 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

- **[California Smog Center](https://ctcfinder.com/tester/california-smog-center-los-alamitos/)** — 10359 Los Alamitos Blvd, Los Alamitos, CA 90720 — (949) 923-9651 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Clean Truck Check Cypress](https://ctcfinder.com/tester/clean-truck-check-cypress-cypress/)** — 5075 Brunswick Dr, Cypress, CA 90630 — (714) 356-5658 — 2 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Joe Mueller](https://ctcfinder.com/tester/joe-mueller-seal-beach/)** — Seal Beach, CA 90740 — (714) 767-3840 — 3 mi. Services: mobile testing, OBD testing.
- **[shawn Minh truong](https://ctcfinder.com/tester/shawn-minh-truong-seal-beach/)** — Seal Beach, CA 90740 — (714) 397-8025 — 3 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Valverde Construction](https://ctcfinder.com/tester/valverde-construction-lakewood/)** — 11343 214th St, Lakewood, CA 90715 — (562) 225-5099 — 3 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Smog and More](https://ctcfinder.com/tester/smog-and-more-stanton/)** — 10711 Beach Blvd, Stanton, CA 90680 — (714) 995-7591 — 4 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.