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All-Guard Alarm Systems Home Security

All-Guard is a family owned business serving Northern California since 1952. All-Guard offers a full range of security systems and services ranging from home, business, government and education security systems.

Website: allguardsystems.com

Phone: (800) 255-4273

Open now

  • Thu Open 24 Hours

1306 Stealth St Livermore, CA 94551 ·2312.72 mi

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Reviews

yelp
3.5 151 reviews
5 star
84 4 star
6 3 star
3 2 star
7 1 star
51
Cat H. 10/28/26

We have been a client for many years and it's one of those things where when you don't need them, you don't think about them. However, today I needed to resolve a troubleshooting alarm that was...

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Ana Beatriz C. 07/19/26

Really great company! Everyone is so kind and helpful whenever we need service. I highly recommend them! A special thank you to the Technician Jon, who is very professional, always making sure...

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Larry B. 07/31/26

Keith Thorne did a great job installing our new motion sensor and battery backup. He was very knowledgeable and gave great customer service. I want to give him a 10 star, if I could give him a...

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Irene and Peter T. 09/02/26

Keith is wonderful on every level. All Guard has given us such service for so many years!

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Irene S. 06/16/26

Unfortunately I would not recommend this business. While their monitoring services are ok their invoicing of services and administrative follow through is poor. Recently had to discontinue our...

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