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Smog Check Stations in Walnut, CA

5 licensed smog check stations in Walnut, California. 5 of them are STAR certified. 2 offer smog-related repairs in addition to testing, and 3 are test-only. Data from official BAR licensing records, updated August 2026.

A-TEK SMOG CHECK

750 NORTH NOGALES ST # I, Walnut, CA 91789
(626) 965-0102
★ STAR CertifiedSmog Test

D V SMOG PROS

19817 VALLEY BLVD, Walnut, CA 91789
(909) 594-8222
★ STAR CertifiedSmog TestSmog Repair

PIEDRAS SMOG TEST ONLY

19939 E. VALLEY BLVD, Walnut, CA 91789
(909) 869-8056
★ STAR CertifiedSmog Test

WALNUT 76 INC

18702 AMAR RD, Walnut, CA 91773
(626) 810-4688
★ STAR CertifiedSmog TestSmog Repair

WALNUT SMOG CHECK CENTER

319 LEMON CREEK DRIVE UNIT L, Walnut, CA 91789
(909) 594-1913
★ STAR CertifiedSmog Test

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