Michael M.
9/26/2025
Awesome in-store locksmith. Would not hesitate to recommend. Fast, reasonably priced quality service.
Foster Brothers Security Systems
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(99)
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555 S Murphy Ave
Sunnyvale, CA 94086
With over 150 years of combined experience, you can count on the service technicians at Foster Brothers Security Systems. Our staff has hundreds of hours of factory certified training, and provide customers with the locks and keys, access control devices, and security systems they need and deserve. We work with some of the biggest companies in the nation, and take pride in providing all clients with professional, fast, and economical security solutions.
We proudly serve businesses and industrial sector clients across the Greater San Francisco Bay Area, and provide 24-hour emergency services. With Foster Brothers Security Systems, Silicon Valley Security Starts Here.
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Reviews
4.599 reviewsX B.
10/21/2025
I had a 90+ lb (40+ kg) tool chest that needed keys or a new lock, and after I hauled it in the staff quickly walked me through a series of potential outcomes, and that was it. A few days later...
Jeff F.
6/26/2024
Speechless. My stomach's turning as I think about this... My grandfather passed last year, and I recall him opening this lock box as a child, filled with family memories. I haven't been able to...
Felix S.
11/15/2024
ABOVE AND BEYOND! I went to Home Depot to get a spare key made for my apartment (renting) and the keys DID NOT work. Then I went to Foster Bros, and those keys did not work either. I knew I had a...
Sunil M.
2/14/2024
A couple of weeks ago, I walked in to get a duplicate key made for a padlock. More than one person spent a good 15-20 minutes in trying to locate the appropriate blank but it turned out that the...
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