Ratings sourced from Google Business Profile · Last refreshed October 2026
Locksmiths · San Mateo, CA
Trusted by hundreds of customers with a stellar 4.8-star rating.
Listing data last updated May 11, 2026 · sourced from public Google Business Profile data
118 customer ratings on Google
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At 4.8★ from 118 ratings, Diamond Locksmith rates about even with the 4.8★ average of the 5 nearest locksmiths we track in San Mateo.
A1 Locksmith
1948 Edinburgh St, San Mateo, CA 94403, USA
San Mateo Lock Works & Safe Center
321 2nd Ave, San Mateo, CA 94401, USA
KeyMe Locksmiths
100 De Anza Blvd, San Mateo, CA 94402, USA
SARCO'S LOCK WORKS
306 Baldwin Ave, San Mateo, CA 94401, USA
Go Pro Locksmith
4039 Transport St Ste.103, Palo Alto, CA 94303, USA