ACE Smog Center

ACE Smog Center, 601 E Holt Blvd, Ontario, CA 91761, is a dedicated emissions station offering smog checks for passenger cars. They provide OBD-II diagnostics and tailpipe testing as needed. Walk-ins are welcome with quick service and a veteran-friendly atmosphere. The shop frequently runs coupons to reduce the test price and accepts cash, credit or debit cards and checks. Open weekdays through Saturday, ACE Smog Center emphasizes fast turnarounds and clear communication, with a clean waiting area and helpful staff.

Smog inspection station

Test Only

Ontario, CA

Contact

Address 601 E Holt Blvd, Ontario, CA 91761, United States

Phone +1 909-460-3090

Hours

Monday 8 am–6 pm

Tuesday 8 am–6 pm

Wednesday 8 am–6 pm

Thursday 8:30 am–6 pm

Friday 8 am–6 pm

Saturday 8 am–4 pm

Sunday Closed

Services

Station Type Test Only

Test Types

OBD-II Tailpipe

Vehicles Served

Passenger Cars

Languages English, Spanish

Practical Information

Appointments Walk-ins Welcome

Typical Wait Under 15 minutes

Pricing $40 - $65

Retest Policy Discounted Retest

Payment

Cash Credit Card Debit Card Check

Rating

4.2 / 5

Based on 90 reviews

4.2 / 5

Smog Check rating (85 reviews)

Location

Ontario, California

More stations in Ontario

What Customers Say

Fast Service Friendly Staff Knowledgeable Clean Facility Repair Help

Speed: Fast

Pass Rate

Standard

Based on customer review sentiment

Making the Most of Your Visit to ACE Smog Center

Choosing the right smog check station in Ontario, California can save you time, reduce stress, and help ensure your vehicle passes its inspection on the first try. ACE Smog 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

Smog Check rules in California vary by vehicle type, registration ZIP code, and model year. Since requirements can differ even within Ontario, confirm what applies to you before heading to ACE Smog Center. 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. ACE Smog Center currently has 90 reviews with a 4.2 out of 5 rating, which can provide insights into service quality, wait times, and professionalism.

Visit Checklist

1

Verify Certification

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

Check Reviews

Read recent customer feedback from other Ontario 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

ACE Smog Center offers a Discounted 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 ACE Smog Center located?

ACE Smog Center is located at 601 E Holt Blvd, Ontario, CA 91761, United States in Ontario, California.

What services does ACE Smog Center offer?

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

Does ACE Smog Center provide Smog Check?

Yes, ACE Smog Center provides Smog Check in Ontario, CA. Available test types include OBD-II, Tailpipe.

What are the hours for ACE Smog Center?

ACE Smog Center is open: Monday 8 am–6 pm, Tuesday 8 am–6 pm, Wednesday 8 am–6 pm, Thursday 8:30 am–6 pm, Friday 8 am–6 pm, Saturday 8 am–4 pm, Sunday Closed.

How can I contact ACE Smog Center?

You can reach ACE Smog Center by phone at +1 909-460-3090, or by visiting 601 E Holt Blvd, Ontario, CA 91761, United States.

Do I need an appointment at ACE Smog Center?

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

How long does Smog Check take at ACE Smog Center?

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

How much does Smog Check cost at ACE Smog Center?

Pricing for Smog Check at ACE Smog Center is typically $40 - $65. Contact them directly for exact pricing.

What payment methods does ACE Smog Center accept?

ACE Smog Center accepts Cash, Credit Card, Debit Card, Check.

What do customers say about ACE Smog Center?

ACE Smog Center has a 4.2 out of 5 rating based on 90 reviews. Customers frequently mention fast service, friendly staff, knowledgeable, clean facility, repair help. For Smog Check specifically, they hold a 4.2 out of 5 rating.

What happens if my vehicle fails the Smog Check at ACE Smog Center?

ACE Smog Center offers a Discounted Retest policy.

What languages are spoken at ACE Smog Center?