Our Services
Professional Security & Fire Protection Services in Brownsville & the Rio Grande Valley
Xtreme Security & Fire provides professional commercial and residential security solutions throughout Brownsville, Harlingen, McAllen, and the entire Rio Grande Valley. Since 1999, we’ve helped protect homes, businesses, schools, offices, warehouses, and government facilities with reliable fire protection, surveillance, networking, and access control systems.
What We Do
Everything You Need to Protect What Matters Most — All in One Place
Most security companies do one or two things. We do five — and we do them all exceptionally well. Here's what's included when you choose Xtreme Security & Fire as your protection partner in Brownsville and across the Rio Grande Valley.
Fire alarm systems are critical for safety and code compliance. Our NICET Level II certified team designs, installs, inspects, and maintains systems that meet NFPA 72 and Texas Fire Marshal requirements. From new installations to upgrades and inspections, we ensure your system works perfectly and passes every test.
We install HD and IP camera systems that let you monitor your property anytime, anywhere. With features like remote access, motion detection, and smart alerts, you’ll always stay informed. Ideal for businesses, schools, and commercial facilities of all sizes.
Protect your property with professionally installed alarm systems designed to deter intruders. Our systems include sensors, motion detectors, and 24/7 monitoring with instant alerts. Control everything from your phone with smart integration.
We design and install reliable wired and wireless networks for businesses and homes. From structured cabling to enterprise Wi-Fi and smart home setups, we ensure your network supports all your security systems smoothly and securely.
Control who enters your property with advanced access control systems. Manage doors remotely, assign permissions instantly, and track every entry. Perfect for businesses needing secure, flexible, and keyless access solutions.
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
- Email: sales@xtremesecurity.us
- 6835 N Expressway, US-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.