Green Star Smog

Green Star Smog, 2134 Market St, Concord, CA 94520, is a dedicated emissions station offering smog checks for the DMV. The STAR certified shop performs OBD-II and tailpipe tests with no appointment often required. Open daily 9 am to 7 pm, weekends sometimes extended. Customers note fast service in about 10 to 15 minutes, friendly and thorough staff, and reasonable prices around eighty dollars for a standard smog check. They provide certificates on the spot and reliably handle modern vehicle needs.

Smog inspection station

Test Only

Concord, CA

Contact

Address 2134 Market St, Concord, CA 94520, United States

Phone +1 925-687-7664

Hours

Monday 9 am–7 pm

Tuesday 9 am–7 pm

Wednesday 9 am–7 pm

Thursday 9 am–7 pm

Friday 9 am–7 pm

Saturday 9 am–7 pm

Sunday Closed

Services

Station Type Test Only

Test Types

OBD-II Tailpipe

Vehicles Served

Passenger Cars

STAR Certified Yes

Languages English

Practical Information

Appointments Walk-ins Welcome

Typical Wait 15-30 minutes

Pricing $80

Rating

4.7 / 5

Based on 36 reviews

4.7 / 5

Smog Check rating (11 reviews)

Location

Concord, California

More stations in Concord

What Customers Say

Fast Service Friendly Staff Knowledgeable Easy Process Clean Facility

Speed: Fast

Making the Most of Your Visit to Green Star Smog

Choosing the right smog check station in Concord, California can save you time, reduce stress, and help ensure your vehicle passes its inspection on the first try. Green Star 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 Concord, confirm what applies to you before heading to Green Star 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. Green Star Smog currently has 36 reviews with a 4.7 out of 5 rating, which can provide insights into service quality, wait times, and professionalism.

Visit Checklist

1

Verify Certification

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

Check Reviews

Read recent customer feedback from other Concord 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

Some stations offer discounted or free retests if your vehicle fails. Ask for details up front.

* 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 Green Star Smog located?

Green Star Smog is located at 2134 Market St, Concord, CA 94520, United States in Concord, California.

What services does Green Star Smog offer?

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

Does Green Star Smog provide Smog Check?

Yes, Green Star Smog provides Smog Check in Concord, CA. Available test types include OBD-II, Tailpipe.

What are the hours for Green Star Smog?

Green Star Smog is open: Monday 9 am–7 pm, Tuesday 9 am–7 pm, Wednesday 9 am–7 pm, Thursday 9 am–7 pm, Friday 9 am–7 pm, Saturday 9 am–7 pm, Sunday Closed.

How can I contact Green Star Smog?

You can reach Green Star Smog by phone at +1 925-687-7664, or by visiting 2134 Market St, Concord, CA 94520, United States.

Do I need an appointment at Green Star Smog?

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

How long does Smog Check take at Green Star Smog?

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

How much does Smog Check cost at Green Star Smog?

Pricing for Smog Check at Green Star Smog is typically $80. Contact them directly for exact pricing.

What do customers say about Green Star Smog?