Test Only Center

Smog inspection station
Opens at 8:00 AM
4.5 (31 reviews)
407 W Arrow Hwy # D, Glendora, CA 91740

About

Test Only Center is a trusted provider of smog check and emissions testing services in Glendora, California. Our facility specializes in thorough vehicle inspections and emissions-related diagnostics. Customers appreciate our quick and reliable testing process, with many reviews praising the efficiency and honesty of our service. We focus solely on emissions testing and vehicle compliance, ensuring your vehicle passes inspection smoothly. Our experienced staff is committed to providing clear information and professional service to help you meet California emissions standards effectively.

smog check vehicle inspection OBD testing glendora california emissions testing

Services Offered

smog check
Vehicle Inspection
OBD-II Diagnostics
Check Engine Light Diagnosis
Emissions-related repairs

What Customers Say

Review Summary

Customers value the quick and efficient service at Test Only Center. Many mention that they are in and out quickly, especially during busy times, and appreciate the fair pricing. The staff is often described as friendly and helpful, making the testing process smooth. Some reviews note that the tests are thorough and accurate, giving customers confidence in passing emissions requirements. While a few mention wait times during peak hours, most find the experience straightforward. Overall, the center has a reputation for trustworthy, professional service that prioritizes customer satisfaction.

Hours Closed
Mon 8 am–5 pm
Tue 8 am–5 pm
Wed 8 am–5 pm
Thu 8 am–5 pm
Fri 8 am–5 pm
Sat 8 am–2 pm
Sun Closed

Frequently Asked Questions

Discover quick and comprehensive answers to common questions about our platform, listings, and services.

Test Only Center is located at 407 W Arrow Hwy # D, Glendora, California. It is easily accessible and provides specialized emissions and smog check services.
We offer smog check, vehicle inspections, OBD-II diagnostics, check engine light diagnosis, and emissions-related repairs to ensure your vehicle meets state standards.
Yes, Test Only Center provides smog check services in Glendora, California, focusing on emissions testing to help your vehicle pass state requirements.
Our hours are Monday through Saturday, from 8 am to 5 pm, and we are closed on Sundays. Please check for possible changes due to holidays or special hours.
You can contact Test Only Center at +1 626-335-6683. Visit our Facebook page for updates or additional information about our services.
Appointments are not always required but are recommended for faster service. Walk-ins are welcome during our normal operating hours.
Most smog check services take about 15 to 30 minutes, depending on the vehicle and current demand. We aim to provide fast and efficient testing.
Customers say that Test Only Center offers fast, friendly, and trustworthy service. Many appreciate the professionalism and clear communication of the staff.

Can't find what you're looking for? Contact our customer support team

Making the Most of Your Visit to Test Only Center

Choosing the right emissions testing or smog check station in Glendora, California can save you time, reduce stress, and help ensure your vehicle passes its inspection on the first try. Test Only Center 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

Emissions testing and smog check rules in California vary by vehicle type, registration ZIP code, and model year. Since requirements can differ even within Glendora, confirm what applies to you before heading to Test Only Center. Our California emissions testing guide outlines current 2025 rules, exemptions, and testing intervals.

Before Your Smog Check

To help make your emissions test 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. Test Only Center currently has 31 reviews, which can provide insights into service quality, wait times, and professionalism.

"Clear communication and preparation make your smog check easier. Ask Test Only Center about wait times, retest policies, or emissions repair services if you have concerns."

Visit Checklist

  • 1
    Verify Certification

    Ensure Test Only Center is an active, licensed smog check station in California.

  • 2
    Check Reviews

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

  • 3
    Confirm Services

    Call ahead to confirm the types of smog checks and emissions 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 emissions testing requirements and smog check policies with your local California authorities.