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...
All-Guard Alarm Systems
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(146)
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1306 Stealth St
Livermore, CA 94551
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
3.5146 reviewsGreg 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...
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...
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.
Lawson L.
10/18/2024
Keith came out to look at an issue I was having and he was great from start to finish. He called to give me an ETA, was very pleasant while he here and worked quickly and efficiently to get my...
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