101 Test Express

Smog inspection station
Opens at 8:00 AM
5.0 (28 reviews)
110 S Claremont St S, San Mateo, CA 94401

About

101 Test Express is a smog check provider located in San Mateo, California. They offer comprehensive emissions testing including smog check services to ensure vehicles meet state standards. The business also provides vehicle inspections and diagnostic services related to emissions issues. Their focus is on helping customers pass smog checks and fix emissions problems such as faulty catalytic converters and O2 sensors. Operating hours are from 8am to 6pm on weekdays and Saturday mornings. No general auto repairs are offered, only specialized emission-related services. Customers can visit for quick testing or diagnostic needs in San Mateo.

smog check vehicle inspection OBD testing emissions testing San Mateo California

Services Offered

smog check
Vehicle Inspection
OBD-II Diagnostics
Check Engine Light Diagnosis
Catalytic Converter Service
Exhaust Repair
O2 Sensor Replacement

What Customers Say

Review Summary

Reviews are not currently available for this location. The facility offers smog checks, vehicle emissions testing, and related repair services. Inquire about pricing directly.

Hours Closed
Mon 8 am–6 pm
Tue 8 am–6 pm
Wed 8 am–6 pm
Thu 8 am–6 pm
Fri 8 am–6 pm
Sat 8:30 am–1 pm
Sun Closed

Frequently Asked Questions

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

1. 101 Test Express is located at 110 S Claremont St S in San Mateo, California.
2. They offer smog check, vehicle inspection, diagnostics, and emissions repair services.
3. Yes, 101 Test Express provides emissions testing and smog check services in San Mateo, California.
4. Operating hours are Monday to Friday from 8am to 6pm and Saturday from 8:30am to 1pm.
5. You can contact them by phone at +1 650-430-0060.
6. Appointment details are best confirmed by calling the business directly.
7. The testing process typically takes a short time, depending on vehicle condition and line wait.
Customers rate 101 Test Express highly with a 5.0-star average based on 28 reviews. Drivers often mention quick service and professional staff. For the latest feedback, check recent reviews on Google or other review platforms.

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Making the Most of Your Visit to 101 Test Express

Choosing the right emissions testing or smog check station in San Mateo, California can save you time, reduce stress, and help ensure your vehicle passes its inspection on the first try. 101 Test Express 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 San Mateo, confirm what applies to you before heading to 101 Test Express. 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. 101 Test Express currently has 28 reviews, which can provide insights into service quality, wait times, and professionalism.

"Clear communication and preparation make your smog check easier. Ask 101 Test Express about wait times, retest policies, or emissions repair services if you have concerns."

Visit Checklist

  • 1
    Verify Certification

    Ensure 101 Test Express is an active, licensed smog check station in California.

  • 2
    Check Reviews

    Read recent customer feedback from other San Mateo 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.