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21st Avenue Smog Test Only
Test Only Smog Inspection Station
About this Station
21st Avenue Smog Test Only is a smog inspection facility located at 71 East 21st Avenue Unit B, San Mateo CA 94403. As a registered California smog station, they provide the required emissions testing for vehicles registered in the State of California.
To ensure a fast visit, we recommend calling ahead to verify current wait times and any specific vehicle requirements for your smog check.