Commercial or residential security systems are your first and most reliable line of defense against burglary, vandalism, unauthorized access, and fire in your Phoenix business or home. OneAZ Alarm provides end-to-end solutions – from a thorough site assessment and custom system design, through professional installation, to 24/7 monitored protection – so your property is never left vulnerable.
Commercial & Residential Security Systems in Phoenix, AZ
OneAZ Alarm, formerly AAA Alarm & Security, designs, installs, and monitors commercial and residential security systems across the Greater Phoenix area. Licensed, bonded & insured technicians. Local team. Real accountability.
Complete Security Installation & Monitoring in Phoenix, AZ
🔐Intrusion detection – Door, window & motion sensors
📡24/7 monitoring UL – listed central station
📷 Video surveillance – HD cameras + remote view
🏢 Access control – Keypad, fob & card access
🔥 Fire & life safety – Smoke, heat & CO detection
📱 Smart automation – Arm/disarm via mobile app

Why Phoenix & Maricopa County Properties Need Professional Security
The Phoenix metro is one of the fastest-growing regions in the United States – and with that growth comes elevated property crime risk. Four local realities make professional alarm protection especially important here:

Extreme heat creates predictable windows of reduced foot traffic that opportunistic burglars exploit in residential neighborhoods across Scottsdale, Glendale, and Peoria.
A Reputation Built Over Four Decades in Phoenix
We don’t earn trust through advertising – we earn it through performance, consistency, and showing up for our customers year after year.
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40+ years in Phoenix
Family-owned since 1985
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BBB A+ rating
Maintained our entire history
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Licensed, bonded & insured
All techs credentialed · ROC# 088576
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Formerly AAA Alarm & Security
Same team, same ownership
Frequently Asked Questions - Commercial & Residential Security Systems
Do you service both homes and businesses in the Phoenix area?
Yes. OneAZ Alarm installs and monitors systems for residential properties – single-family homes, condos, rental units – and commercial properties of all sizes, including retail, office, industrial, and multi-tenant buildings throughout the Greater Phoenix metro and statewide.
What happens if my internet or phone line goes down?
Every system we install includes cellular backup communication. If your internet or landline is cut or disrupted, your alarm panel automatically switches to the cellular network to maintain the connection to our monitoring center – no gap in protection.
How quickly do you respond to service calls?
As a Phoenix-based company with local technicians, we prioritize quick turnaround. You’re not routed through a national dispatch center – you’re talking to the same team that installed your system.
Can I monitor my property remotely from my phone?
Yes. Our interactive systems connect to a smartphone app so you can arm/disarm, view live camera feeds, receive instant alerts, and control smart locks and lights – from anywhere.
Will a security system lower my homeowner or business insurance?
In many cases, yes. Arizona insurers frequently offer premium discounts for properties protected by a professionally monitored, UL-listed system. Ask your provider – savings often offset a meaningful portion of monitoring costs.
Protect Your Phoenix Property - Get a Free Security Assessment
No pressure. Just an honest evaluation from a local team that's been keeping Phoenix safe for over 40 years.
OneAZ Alarm, Inc. · 1815 W Crest Ln, Suite 100, Phoenix AZ 85027 · ROC# 088576 · Licensed, Bonded & Insured

