Monitored Alarm Systems
Easy-to-use protection with professional 24/7 monitoring and fast alerts through Alarm.com.
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Contact UsHome & Business Security • Grand Strand, SC
Local security.Personal service.Total peace of mind.
Professionally installed alarms, HD cameras and smart-home technology—with friendly, local help from people who call the Grand Strand home.
24/7Professional monitoring
13+ YearsServing the Grand Strand
5.0 ★Google rating
Protected by your local security team.A familiar sign in Grand Strand neighborhoods.
13+ years of local service
Professional installation
Alarm.com technology
Local support
Smart security, made simple
Everything you need to protect what matters.
One friendly local team for design, installation, monitoring and support—at home, at work and after the installation is complete.
HD Security Cameras
Smart Alarm.com video products with clear HD video, intelligent alerts, night vision and convenient viewing from anywhere.
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Smart Home Control
Bring locks, thermostats, garage doors, lights and security together in one simple app.
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Business Security
Custom alarm, security video camera systems and access solutions that help protect local offices, stores and facilities.
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Professional TV Installation
Secure, level TV mounting with clean cable management, equipment setup and a polished finish for your home or business.
Learn more →Professional technology
Reliable equipment. Installed and supported locally.
We work with proven security technology selected for dependable everyday use. Select a manufacturer logo to visit its official website.
Real work • Real local team
Installed by people who take pride in the details.
These are our technicians and actual Coastal Security Networks projects—not stock photos. From neighborhood homes to large commercial properties, we install every system as if it were protecting our own.
Project photos rotate automatically every 5 seconds
✓
Local faces. Local projects. Local accountability.Serving homes and businesses across the Grand Strand for over 13 years.
Plan your installation →Trusted across the Grand Strand
Neighbors protecting neighbors.
Real experiences from Coastal Security Networks customers.
★★★★★
“Coastal Security installed a security system for us in Longs. Matt made sure we were satisfied and understood the system. It has been awesome, and we are thrilled with the personal service they provide.”
★★★★★
“Amazing experience with this local security company. They went well out of their way and above for us. Very pleased and will recommend.”
★★★★★
“Best experience ever. Great service. They installed the app and showed us how to use all the features.”
Proudly serving coastal South Carolina
Protection built for the Grand Strand.
From beachside homes and golf-course communities to growing neighborhoods and local storefronts, we understand the properties and people that make our area special.
Ready to feel safer at home or work?
Get straightforward advice from a local security professional.
Information requests are typically answered within one business day.© 2026 Coastal Security Networks. All rights reserved.