You're not looking for the cheapest system. You're looking for one that doesn't go off every time the dog walks by, that you can actually control from your phone, and that someone will respond to if something real happens.
That's what a properly installed security alarm does. It covers the entry points that matter. It integrates with your smart devices so you're not juggling three different apps. And when it triggers, you get immediate notification and professional monitoring that contacts authorities if needed.
Missouri City is one of Texas' safer cities, but that doesn't mean you leave your doors unlocked. A customizable security system gives you control over what gets monitored, when, and how. Motion detectors where you need them. Video doorbells so you see who's there before you open the door. Smart locks you can control remotely if your kids get home before you do.
You're not buying equipment. You're buying the ability to check on your house from anywhere and know that if something's wrong, someone's already handling it.
Choose the security solution that fits your needs. All plans include 24/7 professional monitoring and local Houston-area support.
We've been installing and monitoring security systems in Missouri City and the greater Houston area since 2006. We're a family-owned company, fully licensed and insured, and we've protected over 700 homes and businesses in that time.
We're not a national call center. When you call, you talk to someone local who knows the area and can actually answer your questions. Our technicians live here, install here, and respond here.
We've earned recognition like the Angie's List 2018 Super Service Award and Best of Home Advisor 2019 because we show up on time, explain what we're doing, and make sure you know how to use your system before we leave. Missouri City homeowners choose us because we treat your property like it's ours.
From smart home security to 24/7 professional monitoring — discover the full range of solutions we offer to protect what matters most.
View ServicesLearn about our mission, our Houston-area roots, and why thousands of families trust Archangel Alarm Services to keep them safe.
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We start with a consultation at your property. You walk us through your concerns—whether it's a side door you worry about, a detached garage, or just wanting cameras that actually record clearly at night. We assess your layout, talk through what you want to monitor, and design a system that fits.
Then we schedule installation. Our licensed technicians mount the equipment, run any necessary wiring, connect everything to your network, and integrate it with your smart home devices if you have them. You're not left with a manual and a hope. We walk you through the app, show you how to arm and disarm, and make sure you can pull up your cameras before we leave.
Once it's live, your system connects to 24/7 professional monitoring. If your alarm triggers, you get notified immediately. If you don't respond, monitoring contacts you. If there's no answer or you confirm an emergency, they dispatch authorities with your address and details.
You also get ongoing support. If you add a new device, need to adjust a sensor, or just forgot how to do something, you call us. Same team, same local number.
Your security alarm system includes professional installation by licensed technicians, which means no guessing if you mounted the camera at the right angle or whether the sensor is actually covering the window. Everything's tested before we leave.
You get 24/7 alarm monitoring starting at $19.95 per month. That's not promotional pricing that jumps after six months—it's the actual rate. Monitoring means someone's watching your system around the clock and will contact emergency services if needed.
The equipment itself is customizable. Most Missouri City homes start with door and window sensors on main entry points, at least one motion detector for interior coverage, and a video doorbell. From there, you add what matters to you: additional cameras for the backyard or driveway, smart locks so you can let someone in remotely, glass break sensors, or environmental monitors for smoke and CO2.
Everything integrates with a single app. You're not opening one app for your cameras and another for your locks. You control it all from your phone, get real-time alerts, and can check in whenever you want. Many of our customers also save up to 20% on their homeowners insurance once their monitored system is active—your insurance provider can confirm what discount applies to your policy.
Installation costs depend on how many devices you need and the layout of your home. A basic system covering main entry points with door sensors, a motion detector, and a control panel typically starts around $500 to $800 for equipment and professional installation.
If you want cameras, smart locks, additional sensors, or coverage for a larger property, you're looking at more. We give you an exact quote after seeing your home—no ballpark numbers that change once we show up.
Monthly monitoring starts at $19.95. That's for 24/7 professional monitoring with immediate emergency response. There are no long-term contracts locking you in for three years, and we don't bury fees in the fine print. You're paying for the service, and you can adjust or cancel if your needs change.
False alarms are the number one reason people stop using their systems, so we set yours up to avoid them. That means positioning motion detectors away from vents and windows where shadows or moving branches might trigger them, adjusting sensitivity settings based on whether you have pets, and teaching you how to properly arm and disarm before you leave.
Most false alarms happen because someone forgets to disarm before opening a door or because a sensor is placed where it picks up normal activity. We walk you through how your system works and give you time to test it during installation.
If you do get a false alarm after activation, monitoring contacts you first before dispatching anyone. You have time to confirm it's a mistake. And if a specific sensor keeps causing issues, we come back and adjust it. You shouldn't be dealing with weekly false alarms—if that's happening, something's configured wrong.
Yes. Every system we install connects to an app that lets you arm or disarm remotely, check camera feeds, lock or unlock smart locks, and get real-time alerts if a sensor triggers.
That's useful if you're at work and your kids get home early, if you're traveling and want to check on the house, or if you just can't remember whether you locked the back door. You open the app and handle it from wherever you are.
The app also stores video footage if you have cameras, so you can review what happened if you get an alert. You're not calling us every time you want to check something—you have full control from your phone. And if you integrate other smart devices like lights or thermostats, you can manage those through the same system.
Most residential installations take four to six hours depending on the size of your home and how many devices you're adding. We're not rushing through it—we're mounting equipment correctly, testing every sensor, connecting everything to your network, and making sure you understand how to use it.
If you have a larger property or want cameras installed in multiple locations, it might take longer. We'll give you a time estimate when we schedule, and we don't leave until everything's working and you're comfortable with the system.
We also offer same-day service in many cases. If you call in the morning and we have availability, we can often get a technician out that afternoon. That's one advantage of working with a local company—we're not coordinating schedules across three states.
You get an immediate alert on your phone showing which sensor triggered. If you have cameras, you can pull up the feed and see what's happening in real time.
At the same time, our 24/7 monitoring center gets the alert. We'll try to contact you using the phone numbers you provided. If you answer and confirm it's a false alarm, we log it and no further action is taken. If you don't answer, or if you confirm there's an actual emergency, we contact local authorities and provide them with your address and details about what triggered the alarm.
You're not waiting on hold or trying to reach someone during an emergency. The system is designed to get help to your home as quickly as possible. And because we're local to Missouri City and the Houston area, response times are faster than if you were working with a national provider routing calls through a distant call center.
You can technically install a DIY system yourself, but most people who try end up with sensors in the wrong spots, cameras that don't capture useful footage, or equipment that doesn't integrate properly. Then they're troubleshooting on their own or dealing with false alarms they can't fix.
Professional installation means a licensed technician assesses your home's layout, identifies vulnerable entry points, mounts equipment at the right height and angle, and tests everything before leaving. You're not guessing whether the motion detector is positioned correctly or whether the camera's field of view actually covers your driveway.
We also handle the integration with your existing smart devices and make sure your system connects to monitoring without issues. If something stops working six months later, you call us and we fix it. You're not searching forums or waiting on hold with a generic support line. For most Missouri City homeowners, that peace of mind is worth skipping the DIY route.
