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Smog Check Stations in Union City, CA

6 licensed smog check stations in Union City, California. 5 of them are STAR certified. 2 offer smog-related repairs in addition to testing, and 4 are test-only. Data from official BAR licensing records, updated August 2026.

ALVARADO NILES SMOG SERVICE

31300 ALVARADO NILES RD., Union City, CA 94587
(510) 770-6988
★ STAR CertifiedSmog Test

BAY STAR AUTO CARE

1275 ATLANTIC STREET, Union City, CA 94587
(510) 489-3331
★ STAR CertifiedSmog TestSmog Repair

GILL SMOG CHECK STAR STATION

33090 MISSION BLVD, Union City, CA 94587
(510) 475-1725
★ STAR CertifiedSmog Test

QUIK SMOG

2601 DECOTO ROAD, Union City, CA 94587
(510) 475-8777
★ STAR CertifiedSmog Test

TL AUTO REPAIR

1007 DECOTO ROAD, Union City, CA 94587
(510) 489-8756
Smog TestSmog Repair

UNION CITY SMOG CHECK

33365 MISSION BLVD, Union City, CA 94587
(510) 441-9800
★ STAR CertifiedSmog Test

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