Union Smog Test Only

Redwood City, United States

4

Closed now

4 reviews

Contacts

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Telephone:
+1 650-299-0100
Website:
unionsmog.com
Address:
2850 Middlefield Rd, Redwood City, CA, 94063
Nearby public transportation stops & stations:
1 miAtherton
1.4 miRedwood City
2 mi73 and 273 Buses
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Today

Today 8:30 am – 5:30 pm
Closed now
Local time (Redwood City) 23:08 Friday, 13 June 2025

Business hours

Monday 8:30 am – 5:30 pm
Tuesday 8:30 am – 5:30 pm
Wednesday 8:30 am – 5:30 pm
Thursday 8:30 am – 5:30 pm
Friday 8:30 am – 5:30 pm
Saturday 9:00 am – 5:00 pm
Sunday 9:00 am – 5:00 pm

Description

Specialties

We are a STAR certified TEST ONLY station. Test Only means we don’t do repairs so you don’t have to worry about «bait and switch» repair bills. Our only desire is to see you PASS. Additionally, all smog checks include a FREE retest in case your vehicle fails the first time around.

History

Established in 2004.

For over 12 years Union Smog Test Only has been striving to make a government mandated process as simple, timely, and convenient as possible.

Meet the Business Owner

Sid A.

Business Owner

The most important thing to me is to see our customers happy. This means excellent customer service, informative smog technicians, and great value.

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4 reviews of Union Smog Test Only

No registration required
Place rating: 5
New York, NY
The owner is the best! The staff is very friendly and professional. This is one of best smog shops in the area. The services they offer are just great. I bought my car in for them to smog test and they did a perfect job. I would recommend them as well cause they are affordable and will work with you!
Place rating: 5
San Jose, CA
Business recently got new ownership and the current owner has made some much needed improvements. Great ambiance and friendly professional staff. I had a great experience and I’d recommend this shop over any other smog shop in the area! Thanks Union Smog!
Place rating: 1
Palo Alto, CA
I would not recommend this business to anyone. It be nice if a technician would go through the procedure of how the smog check system works before you start the smog check.
It all started about a week ago when I took in my work truck to get smogged here, since I had just bought the truck, and didn’t see a check engine light on I figured it pass. A minute into the test I asked Mr. Kim what would happen if the test were to fail, he said «I charge the full price only once, none of that half charge bs here.»
Long story short, a week later I go in after driving the truck around for the onboard computer to re-​establish itself, I go in thinking having paid the full amount already, smog check passed and getting charged an additional $ 30 fee to «send the certificate to the dmv.»
Just seemed weird since I had just done another smog check paying $ 40 not passing and then $ 10 test it again and pass.
Place rating: 5
Redwood City, CA
Great price and I enjoyed Mr Kim. It was just $ 49.00 for test and certificate.