About Us
Brownsville’s Trusted Security & Fire Protection Experts Since 1999
For more than 25 years, Xtreme Security & Fire has helped homeowners, businesses, schools, and government facilities across Brownsville and the Rio Grande Valley protect what matters most. Since opening our doors in 1999, we’ve built our reputation on honest service, reliable systems, expert installations, and fast local support.
About Us
Brownsville’s Local Security Experts — We Know This Community Because We’re Part of It
25+
Years of Trust
There’s something different about working with a company that actually lives and works where you do. Xtreme Security & Fire was born in the Rio Grande Valley in 1999, and we’re proud to still be here — protecting homes, businesses, schools, government buildings, and everything in between across Olmito, Brownsville, Harlingen, McAllen, and all of South Texas.
We’re not a national chain that dispatches a stranger from two states away. We’re your neighbors. When you call us, you get a real person who knows the Cameron County area, understands local building codes, and can have a technician at your door faster than any out-of-town competitor ever could.
Our team of licensed, NICET-certified technicians has completed thousands of installs — from family-owned restaurants and retail shops to school campuses and municipal facilities. Whether you’re a homeowner who wants peace of mind or a business owner who needs a code-compliant fire alarm system installed by tomorrow, we’re ready to move.
Licensed. Certified. Trusted by Families and Businesses Across Cameron County and the Greater Rio Grande Valley.
- NICET Level II Certified — Fire Alarm Systems
- Licensed by Texas Department of Public Safety
- Licensed by Texas Department of Insurance / State Fire Marshal's Office
- Texas HUB Certified (Historically Underutilized Business)
- ProdataKey Gold Partner — RFID Door & Gate Access
- Alarm.com Authorized Dealer
- Ubiquiti Enterprise Wireless Admin Certified
- BuyBoard Approved Vendor
- Serving the Rio Grande Valley Since 1999 — 25+ Years Strong
Proudly Serving Brownsville and the Entire Rio Grande Valley
Xtreme Security & Fire is based in Olmito, TX and provides commercial and residential security, fire alarm, surveillance, networking, and access control services to communities throughout South Texas and the Rio Grande Valley, including:
Primary Service Areas
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Directions from Olmito, TX to Xtreme Security & Fire, Olmito, TX 78575, United States
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Directions from Harlingen, TX to Xtreme Security & Fire, Olmito, TX 78575, United States
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Directions from McAllen, TX to Xtreme Security & Fire, Olmito, TX 78575, United States
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Directions from San Benito, TX to Xtreme Security & Fire, Olmito, TX 78575, United States
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Directions from Weslaco, TX to Xtreme Security & Fire, Olmito, TX 78575, United States
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Directions from Edinburg, TX to Xtreme Security & Fire, Olmito, TX 78575, United States
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Directions from Mission, TX to Xtreme Security & Fire, Olmito, TX 78575, United States
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Directions from Pharr, TX to Xtreme Security & Fire, Olmito, TX 78575, United States
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Directions from South Padre Island, TX to Xtreme Security & Fire, Olmito, TX 78575, United States
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Directions from Los Fresnos, TX to Xtreme Security & Fire, Olmito, TX 78575, United States
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Directions from Olmito, TX to Xtreme Security & Fire, Olmito, TX 78575, United States
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Directions from Port Isabel, TX to Xtreme Security & Fire, Olmito, TX 78575, United States
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Directions from Laguna Vista, TX to Xtreme Security & Fire, Olmito, TX 78575, United States
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Directions from Rancho Viejo, TX to Xtreme Security & Fire, Olmito, TX 78575, United States
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Directions from La Feria, TX to Xtreme Security & Fire, Olmito, TX 78575, United States
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Directions from Palm Valley, TX to Xtreme Security & Fire, Olmito, TX 78575, United States
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Directions from Primera, TX to Xtreme Security & Fire, Olmito, TX 78575, United States
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Directions from Rio Hondo, TX to Xtreme Security & Fire, Olmito, TX 78575, United States
Neighborhoods We Serve
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Directions from Downtown Brownsville to Xtreme Security & Fire, Olmito, TX 78575, United States
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Directions from Downtown Harlingen to Xtreme Security & Fire, Olmito, TX 78575, United States
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Directions from North McAllen to Xtreme Security & Fire, Olmito, TX 78575, United States
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Directions from Sharyland Area to Xtreme Security & Fire, Olmito, TX 78575, United States
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Directions from North Edinburg to Xtreme Security & Fire, Olmito, TX 78575, United States
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Directions from Medical District (McAllen) to Xtreme Security & Fire, Olmito, TX 78575, United States
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Expressway 83 Corridor
Directions from Expressway 83 Corridor to Xtreme Security & Fire, Olmito, TX 78575, United States
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US-77 Corridor (Olmito)
Directions from US-77 Corridor (Olmito) to Xtreme Security & Fire, Olmito, TX 78575, United States
Reviews
What Our Customers Say About Xtreme Security & Fire
Ricardo Renteria
I was advised by a neighbor about their products and services. They told me that they were happy with the security system and services provided. So i gave them a call and 11 months later, I am also happy with the security system installed in my home. Thank You xtreme security and fire.
Francisco Arriaga
Absolutely incredible service done by Gallagher and his team, they were very attentive and walked me through every step of the process, I DEFINITLEY, reccomend xtrreme security for anyone needing home security. I look forward to working with them in the future 10/10. Ask for Karina!
Calvin Nelson
Highly recommend this company. They did a whole-house network installation running Ethernet wiring and access points throughout the house, including setting up a network closet. They were very professional and responsive. Because they have a local presence, they were able to come back to my house to make adjustments as needed until everything was perfect.
Our Services
Security & Fire Protection Services in Brownsville, TX & Rio Grande Valley
Commercial Fire Alarm Systems — Brownsville, TX
Xtreme Security & Fire provides NICET Level II certified commercial fire alarm system design, installation, inspection, and maintenance across Brownsville, Harlingen, McAllen, and the greater Rio Grande Valley. Our fire alarm systems meet NFPA 72 standards and Texas State Fire Marshal requirements for offices, warehouses, retail stores, schools, government buildings, and all commercial occupancies. Services include new fire alarm installation, panel upgrades, annual fire alarm inspections, smoke detector placement, horn/strobe installation, pull station placement, and 24/7 fire alarm monitoring. We work with leading fire alarm brands including Fire-Lite, Silent Knight, Honeywell, and System Sensor. Call (956) 504-0811 for a free fire alarm system assessment.
Commercial Surveillance Cameras — Rio Grande Valley
Professional HD and IP surveillance camera installation for businesses, schools, warehouses, and multi-family properties throughout Cameron County, Hidalgo County, and the Rio Grande Valley. Xtreme Security & Fire designs and installs CCTV systems, IP camera networks, DVR / NVR solutions, and mobile surveillance units tailored to your property's unique layout and security needs. Features include remote viewing via smartphone, motion-triggered recording, analytics-based alerts, license plate capture, and 24/7 cloud or local storage. Whether you need a single camera above a register or a 64-camera enterprise system covering a large commercial campus, our certified technicians deliver reliable, scalable surveillance solutions. Serving Brownsville, Harlingen, McAllen, Edinburg, and all of South Texas.
Burglary Alarm Systems — Brownsville
Xtreme Security & Fire installs professional residential and commercial burglary alarm systems throughout Brownsville, TX and the surrounding Rio Grande Valley communities. Our intrusion detection systems use the latest smart alarm panels from 2GIG and Honeywell, paired with door and window contacts, passive infrared motion sensors, glass break detectors, and shock sensors for complete perimeter and interior protection. All systems are compatible with Alarm.com's 24/7 professional monitoring service, providing instant police dispatch and real-time mobile alerts when any sensor is triggered. We also offer smart home integration, allowing you to arm and disarm your system, control locks, and view cameras — all from one app on your phone.
Commercial & Residential Networking — RGV
As a Ubiquiti Enterprise Wireless Admin Certified company, Xtreme Security & Fire delivers professional network infrastructure services for businesses, schools, medical offices, and homes throughout the Rio Grande Valley. Our networking services include enterprise Wi-Fi design and installation using the Ubiquiti UniFi platform, structured cabling (Cat5e, Cat6, fiber optic), network segmentation (VLANs), firewall configuration, and dedicated network design for IP security camera systems, access control devices, and IoT endpoints. Residential networking services include whole-home Wi-Fi coverage, smart home network setup, and performance optimization for streaming, remote work, and connected devices. Reliable networking is the backbone of a modern security system — we make sure yours is rock solid. Serving Brownsville, Harlingen, McAllen, and all of South Texas.
Commercial Door Access Control — Brownsville, TX
Xtreme Security & Fire is a ProdataKey Gold Partner specializing in cloud-based RFID door access control systems for commercial businesses, schools, medical facilities, government buildings, apartment complexes, and warehouses throughout the Rio Grande Valley. Our access control solutions replace traditional keys with smart credentials — key fobs, keycards, mobile credentials, PIN codes, and biometric readers — giving you full control over who enters your facility and when. Every entry is logged in real time, and permissions can be changed instantly from any internet-connected device. We also install gate access control systems for parking areas, driveways, and secure yards using brands including ProdataKey (pdkGo), HID Global, Schlage, CDVI, Keri Systems, and LiftMaster. Commercial door access control is one of the smartest investments you can make in your business's security posture — and we make it simple.
Ready to Protect What Matters Most? Let's Talk — It's Free.
Getting started with Xtreme Security & Fire is easy. There's no pressure, no obligation, and no guesswork. Just tell us about your property and what you're looking to protect, and we'll build a custom solution that fits your needs and your budget.
- Free security assessment for homes and businesses in the Rio Grande Valley
- Call us today: (956) 504-0811
- Call us today: (844) 783-0368
- 6835 Frontage Rd U.S. 77, Olmito, TX 78575
- Monday–Friday: 8am–5pm
Don't wait for something to go wrong. Every day without a proper system is a day your property is vulnerable. Contact us now and let's fix that.