Diamond Locksmith
Service area
They come to you. Based in San Mateo.
- San Mateo
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★ 4.8 · 119 reviews
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Location & hours
3 37th Ave #10, San Mateo, CA 94403
Get directions- Monday8 AM–8 PM
- Tuesday8 AM–8 PM
- Wednesday8 AM–8 PM
- Thursday8 AM–8 PM
- Friday8 AM–8 PM
- Saturday8 AM–8 PM
- SundayClosed



