All-Guard Alarm Systems

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1306 Stealth St
Livermore, CA 94551
+1 (800) 255-4273
http://www.allguardsystems.com

All-Guard Alarm Systems has been a trusted provider of commercial and residential security solutions in Northern California since 1952, serving over 15,000 customers including Fortune 500 companies, schools, and local families. With a commitment to personalized service and the latest technology, they offer a comprehensive range of products, including fire safety systems, video monitoring, and home automation tailored to meet unique client needs.

Dedicated to excellence, All-Guard employs experienced professionals to ensure top-quality installation and customer support, with a focus on adaptability for both new and existing security systems. Their reputation for outstanding service is bolstered by positive customer testimonials highlighting their knowledgeable staff and reliable security solutions.

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Reviews

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3.5146 reviews
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Michael L.
9/4/2023

We have been with All-Guard (AG) since the nineties. We decided to upgrade from the old, wired set-up to wireless + Bluetooth, and we are happy we did. It's nice to disarm from our upstairs...

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Greg W.
7/7/2025

I've been a client for over 10 years. In June the monitoring of my alarm system was not being done by them due to the phone company changing something (?). After numerous phone calls to try to...

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Stewart ..
3/28/2025

I have been with All-Guard for over 20 years. We wanted to upgrade to a newer system with cellular backup. I talked to Sue in Sales she went over my system and suggested upgrades and we had...

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Linda F.
1/31/2025

Mid December we decided to switch our alarm system from landline to cellular/ internet monitoring. I called the office to ask if this would work with our system. I was told yes. A tech came out...

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Steven C.
2/10/2025

A solid company that was always very responsive and workable with our goals/needs. I appreciate that they are a locally owned and family run business in this industry.

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