Skip to content
FeaturedLocksmiths in Sunnyvale, California

Foster Brothers Security Systems

Top Spot in Sunnyvale Today 4.80 (170 reviews)(408) 736-4500

Foster Brothers Security Systems

Foster Brothers Security Systems serves businesses and industrial clients across the Greater San Francisco Bay Area. It has provided security solutions for over 60 years and offers locksmith, door, access-control and safe services.

Business Highlights
  • The company says its technicians have over 150 years of combined experience and hundreds of hours of factory-certified training.
  • The company lists certified fire door inspections among its services.

Service Area

Greater San Francisco Bay Area.

Featured Local Business

Foster Brothers Security Systems is one of 5 locksmiths ProsGrade lists in Sunnyvale, California.

Featured
Featured on ProsGrade
Listing details

9 services listed, including High-security locks and keys, Key control and locksmith services and Fire door inspection and repair. Open weekdays, closed on weekends. Rated 4.8 from 170 reviews.

  • Verified listing details
  • Service information
  • Customer review signals
  • Photo gallery
  • Public contact information
  • Published local profile

How This Business Compares

How Foster Brothers Security Systems compares with the other 4 locksmiths on ProsGrade in Sunnyvale, using public Google ratings and review counts.

  • Ranks in the top half of the 5 Sunnyvale locksmiths on ProsGrade by Google rating and review volume.
  • Rated 4.8 on Google, well above the 4.3 average of other Sunnyvale locksmiths on ProsGrade.
  • Has more Google reviews (170) than 3 of the 4 other Sunnyvale locksmiths on ProsGrade.
  • One of 3 Sunnyvale locksmiths on ProsGrade rated 4.7 or higher from at least 10 reviews.

Services Covered

9 services
  • High-security locks and keys
  • Key control and locksmith servicesIncludes modular furniture keys, rekeying, master key systems and key duplication.
  • Fire door inspection and repair
  • Door hardware installation and repair
  • Door closer installation
  • Access-control equipmentSales, service and installation, including wireless access-control products.
  • Safe servicesCombination changes, key duplication and safe manipulation.
  • Fire King safe service and repair
  • Emergency security service

Reviews

What customers say

Several customers praise prompt, professional help, including a business customer whose locks were rekeyed on short notice. A separate customer says work on a family heirloom lockbox began with drilling and prying before the customer's mother stopped it; the reviewer says the destructive approach had not been communicated beforehand.

Customer Reviews

Agnes Aleem

Great service from Foster Brothers. Quick Response, professional and every Tech they send over do a great job. Thank you so much

DWES Enterprise

Went to home depot, cause I thought they could cut the blank car keys, I bought online. They said, I have to buy the key from them and that's the only way it would work. So I looked around for a key cutting place. Foster Brothers, came up on maps. Went over and they cut the key with no issue. He said, it possibly won't work, cause of the "shoulder" on the keys. I want to let him know it worked. I appreciate your good service. I buy my company vans, from the auction and they always come with one key. So I buy the OEM blanks online. You guys helped me out. Thanks!
View full reviewShow less

Pat Kapowich

Three generations of my family have sought out Foster Brothers Security Systems, Inc. when they needed a locksmith. It is a first-class operation. As a local Realtor®, I recommend Foster Brothers whenever possible. Twice this year, both personally and professionally, Foster Brothers exceeded all expectations. Mike A. and Mike S. were helpful and knowledgeable. I highly recommend Foster Brothers!
View full reviewShow less

John Garcia

Foster Brothers is the best I've ever worked with. They re-keyed many locks at our business on short notice. Technicians were professional and worked in a timely manner. I highly recommend them.

Jeff Flowers

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 get in, as I have boxes upon boxes of keys. Well I mentioned to my mom Foster Brothers' and how I was going to reach out to them - as grandfather went here for as long as I can remember, and trusted... She apparently took this lock box there, as I went to pick up lunch ( i.e. I wasn't aware of this happening. ) So she goes in with the box and asked if they could get in. It was never communicated to her that their idea of 'getting in' was destructive! Once they started drilling/prying, she stopped them and called me. I nearly threw up upon learning about was happening. What in the world was going through this person's head - you have a lock box that's the better part of a century old, mint condition ( family heirloom might as well of been etched across it...) .... pry/drill the thing open, why not... I'm shocked that this was even considered. And using a DRILL and PRYING the box open should have been clearly communicated prior. BEFORE YOU DESTROY SOMETHING - YOU COMMUNICATE AS CLEARLY AS YOU CAN - CONSENT - CONSENT - CONSENT! It is 2024! The lack of critical thinking is beyond the pale here - and this is NOT the company my grandfather Trusted anymore I suppose. I'm horrified. Again, I can't eat my lunch thinking about this! This person didn't think that this wasn't something I could have done ( as I write this, I'm literally seeing double...so apologies upfront. ) Again, a person goes to a place like this, in order to get services that are beyond that of a drill ( of which I own a couple ) and/or pliers ( again, I have a bunch of these too. ) The things made out of paper thin sheet metal. So disappointed. This is not the company you remember - you have been warned.
View full reviewShow less

Write a Review

Share your experience with this business. Reviews are moderated before they appear publicly.

We'll email you a link to confirm your review. It's only sent in once you click it.

Frequently Asked Questions

Does Foster Brothers provide emergency service?

The company offers 24-hour emergency service, 365 days a year.

What kinds of customers does Foster Brothers serve?

It says it serves families, businesses and industrial clients.

Which security brands does Foster Brothers carry?

Its product selection includes Arrow, Medeco and Schlage.