Z Smog Check

Z Smog Check is a dedicated emissions testing station at 1290 W 9th St, Upland, CA 91786. Open Monday through Friday 9 am to 5:30 pm, Saturday 9 am to 3 pm, and Sunday closed. They handle smog tests for passenger cars and RVs, with a focus on OBD-II testing for 1996 and newer vehicles. Certificates are delivered electronically to the DMV, and the shop is Star certified. Walk-ins are welcomed and customers consistently report fast, friendly service and fair pricing. This is a reliable local option for a quick smog check.

Smog inspection station

Test Only

Upland, CA

Contact

Address 1290 W 9th St, Upland, CA 91786, United States

Phone +1 909-949-6930

Website https://www.zsmog.com/

Hours

Monday 9 am–5:30 pm

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–3 pm

Sunday Closed

Services

Station Type Test Only

Test Types

OBD-II

Vehicles Served

Passenger Cars RVs/Motorhomes

STAR Certified Yes

Languages English

Practical Information

Appointments Walk-ins Welcome

Typical Wait Under 15 minutes

Pricing $40

Rating

4.8 / 5

Based on 118 reviews

4.8 / 5

Smog Check rating (110 reviews)

Location

Upland, California

More stations in Upland

What Customers Say

Fast Service Friendly Staff Fair Pricing Easy Process Clean Facility Repair Help

Speed: Fast

Pass Rate

Standard

Based on customer review sentiment

Making the Most of Your Visit to Z Smog Check

Choosing the right smog check station in Upland, California can save you time, reduce stress, and help ensure your vehicle passes its inspection on the first try. Z Smog Check 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 Upland, confirm what applies to you before heading to Z Smog Check. 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. Z Smog Check currently has 118 reviews with a 4.8 out of 5 rating, which can provide insights into service quality, wait times, and professionalism.

Visit Checklist

1

Verify Certification

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

Check Reviews

Read recent customer feedback from other Upland 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 Z Smog Check located?

Z Smog Check is located at 1290 W 9th St, Upland, CA 91786, United States in Upland, California.

What services does Z Smog Check offer?

Z Smog Check is categorized as a Smog inspection station and operates as a Test Only station offering OBD-II testing for passenger cars, rvs/motorhomes.

Does Z Smog Check provide Smog Check?

Yes, Z Smog Check provides Smog Check in Upland, CA. Available test types include OBD-II.

What are the hours for Z Smog Check?

Z Smog Check is open: Monday 9 am–5:30 pm, 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–3 pm, Sunday Closed.

How can I contact Z Smog Check?

You can reach Z Smog Check by phone at +1 909-949-6930, online at https://www.zsmog.com/, or by visiting 1290 W 9th St, Upland, CA 91786, United States.

Do I need an appointment at Z Smog Check?

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

How long does Smog Check take at Z Smog Check?

Typical wait time at Z Smog Check is Under 15 minutes. Customers generally describe the service speed as Fast.

How much does Smog Check cost at Z Smog Check?

Pricing for Smog Check at Z Smog Check is typically $40. Contact them directly for exact pricing.

What do customers say about Z Smog Check?