Horizon Smog

Horizon Smog is a dedicated emissions station located at 205 Oak St in Brentwood, California 94513. They perform smog checks for passenger cars and offer walk-in service. Hours: Mon closed, Tue–Fri 9 am–5:30 pm, Sat 9 am–5 pm, Sun closed. Pricing cited in reviews ranges from about $39 to $68 with coupons; a typical walk-in smog starts around the high $40s. The shop is known for fast service and affordable pricing, with friendly staff and quick turnaround.

Smog inspection station

Test Only

Brentwood, CA

Contact

Address 205 Oak St, Brentwood, CA 94513, United States

Phone +1 925-308-7600

Website http://www.horizonsmog.com/

Hours

Monday Closed

Tuesday 9 am–5:30 pm

Wednesday 9 am–5:30 pm

Thursday 9 am–5:30 pm

Friday 9 am–5:30 pm

Saturday 9 am–5 pm

Sunday Closed

Services

Station Type Test Only

Test Types

OBD-II

Vehicles Served

Passenger Cars

Languages English, Spanish

Practical Information

Appointments Walk-ins Welcome

Typical Wait 15-30 minutes

Pricing $39 - $68

Retest Policy Free Retest

Payment

Cash Credit Card Debit Card Check

Rating

4.1 / 5

Based on 106 reviews

4.2 / 5

Smog Check rating (60 reviews)

Location

Brentwood, California

More stations in Brentwood

What Customers Say

Fast Service Friendly Staff Knowledgeable

Speed: Fast

Pass Rate

Standard

Based on customer review sentiment

Making the Most of Your Visit to Horizon Smog

Choosing the right smog check station in Brentwood, California can save you time, reduce stress, and help ensure your vehicle passes its inspection on the first try. Horizon Smog is one of the licensed smog check locations in the area, and preparing properly before your visit can make the process smoother.

Understanding California Smog Check Requirements

Smog Check rules in California vary by vehicle type, registration ZIP code, and model year. Since requirements can differ even within Brentwood, confirm what applies to you before heading to Horizon Smog. Our California Smog Check guide outlines current rules, exemptions, and testing intervals.

Before Your Smog Check

To help make your smog check quick and successful, consider preparing the following:

Confirm your registration address requires testing.
Ensure your check engine light is off and no recent codes have been cleared.
Warm up your vehicle by driving 10 to 15 minutes before testing.
Bring your registration or renewal notice and a valid photo ID.

Why Reviews Matter

Customer experiences can vary, so reading feedback from other drivers can help you understand what to expect. Horizon Smog currently has 106 reviews with a 4.1 out of 5 rating, which can provide insights into service quality, wait times, and professionalism.

Visit Checklist

1

Verify Certification

Ensure Horizon Smog is an active, licensed smog check station in California.
2

Check Reviews

Read recent customer feedback from other Brentwood drivers to understand typical wait times and service quality.
3

Confirm Services

Call ahead to confirm the types of tests offered and whether appointments are required.
4

Bring Required Documents

Have your registration or renewal notice, ID, and any required paperwork ready when visiting the station.
5

Ask About Retest Policies

Horizon Smog offers a Free Retest policy. Confirm details up front in case your vehicle needs a retest.

* This guide is for informational purposes only. Always confirm smog check requirements and policies with your local California authorities.

FAQ

Common questions

Have a question not covered here? Contact us and we will respond within one business day.

Where is Horizon Smog located?

Horizon Smog is located at 205 Oak St, Brentwood, CA 94513, United States in Brentwood, California.

What services does Horizon Smog offer?

Horizon Smog is categorized as a Smog inspection station and operates as a Test Only station offering OBD-II testing for passenger cars.

Does Horizon Smog provide Smog Check?

Yes, Horizon Smog provides Smog Check in Brentwood, CA. Available test types include OBD-II.

What are the hours for Horizon Smog?

Horizon Smog is open: Monday Closed, Tuesday 9 am–5:30 pm, Wednesday 9 am–5:30 pm, Thursday 9 am–5:30 pm, Friday 9 am–5:30 pm, Saturday 9 am–5 pm, Sunday Closed.

How can I contact Horizon Smog?

You can reach Horizon Smog by phone at +1 925-308-7600, online at http://www.horizonsmog.com/, or by visiting 205 Oak St, Brentwood, CA 94513, United States.

Do I need an appointment at Horizon Smog?

Horizon Smog accepts walk-ins with no appointment necessary. Contact them directly to confirm availability.

How long does Smog Check take at Horizon Smog?

Typical wait time at Horizon Smog is 15-30 minutes. Customers generally describe the service speed as Fast.

How much does Smog Check cost at Horizon Smog?

Pricing for Smog Check at Horizon Smog is typically $39 - $68. Contact them directly for exact pricing.

What payment methods does Horizon Smog accept?

Horizon Smog accepts Cash, Credit Card, Debit Card, Check.

What do customers say about Horizon Smog?

Horizon Smog has a 4.1 out of 5 rating based on 106 reviews. Customers frequently mention fast service, friendly staff, knowledgeable. For Smog Check specifically, they hold a 4.2 out of 5 rating.

What happens if my vehicle fails the Smog Check at Horizon Smog?