Diamond Locksmith

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3 37th Ave Ste 10
San Mateo, CA 94403
+1 (650) 867-5988
http://www.diamondlocksmith.com

Diamond Locksmith is a comprehensive locksmith service provider located in San Mateo, CA, catering to residential, commercial, and automotive needs. Their offerings include key replacement, lock repairs, installations, rekeying, and broken key extraction, all delivered with a commitment to customer satisfaction.

Operating in the Peninsula Bay Area, including cities like Burlingame, Belmont, and San Francisco, Diamond Locksmith prides itself on offering flat rates and professional services. They extend a 15% discount to seniors, veterans, students, and public servants, emphasizing their dedication to the community.

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Reviews

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5.0

(786)

Tazmine R.
12/11/2025

lowest and fastest rate I found on here! They were nice and very efficient. would Call back if i needed other locks changed!

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Maxwell S.
12/22/2025

Incredibly happy with the level of communication, professionalism, quality of work, and price. Will absolutely use them again for my future locksmith needs. Thank you to Teishon for the excellent...

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Stacy C.
12/17/2025

I had to get my 2024 Honda Civic reprogrammed after an attempted burglary, and I'm so glad I found Diamond Locksmith. The price was more than fair, especially for two sets of keys, honestly the...

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Food Sage W.
12/9/2025

I broke my 2022 Bolt EUV Car FOB by trying to change the battery. So l ordered 2 New Car FOBs from Amazon. Chevrolet wanted to charge $ 500 to Re Sync 2 FOBs. I made an appointment with...

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Ruth A.
12/15/2025

Very quick service and was able to arrange over text. Deshaun came out on the day I had requested in a timely fashion. Easy peasy!

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