The Best Home Security in San Antonio, TX

Compare the highest-rated home security professionals in San Antonio, Texas. All contractors are licensed, insured, and verified through our rigorous screening process.

#1

Smith Thompson Security

4.8
(220 reviews)
Verified

A family-owned and operated company that has become a leading regional security provider in Texas. They are highly regarded for their personalized service, in-house monitoring station (allowing for more competitive pricing), and strong focus on customer satisfaction. They offer a wide range of security and smart home solutions.

7233 N Loop 1604 E, San Antonio, TX 78233

Specialties & Features

Alarm system monitoring services
Smart home security integration
Security system maintenance and repair

Business Information

Years in Business:45 years
Licensed:Yes
Insured:Yes
#2

ADT Security Services

4.4
(150 reviews)
Verified

The nation's most well-known security brand, with a strong local presence in San Antonio. ADT offers the advantage of extensive resources, nationally recognized branding, and multiple redundant monitoring centers. They provide a comprehensive suite of security and automation products, though often with longer-term contracts.

911 Isom Rd # 540, San Antonio, TX 78216

Specialties & Features

24/7 professional monitoring services
Video surveillance systems
Access control systems

Business Information

Years in Business:25 years
Licensed:Yes
Insured:Yes
#3

Alert 360

4.3
(90 reviews)
Verified

A full-service provider offering security, automation, and pest control. They are known for their "One-Touch" monitoring technology and a strong focus on integrated smart home solutions. Alert 360 manufactures its own equipment, which can provide a more seamless ecosystem and potential cost savings.

6915 San Pedro Ave, San Antonio, TX 78216

Specialties & Features

Security camera installation
Smart home security integration
24/7 professional monitoring services

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes

Why These Are the Top Home Security Contractors in San Antonio

The home security market in San Antonio is robust and highly competitive, featuring a mix of national giants (like ADT) and strong regional players (like Smith Thompson). The average quality of service is high, with companies competing on technology, customer service, and pricing. Due to the city's growth, there is significant demand for integrated smart home features alongside traditional alarm monitoring. Typical pricing for a basic monitored system can start around $30-$45 per month, with installation fees ranging from $0 (with a contract) to several hundred dollars for more complex, custom installations. The market is mature, pushing providers to differentiate through specialized technology, local customer support, and bundled services.

High Ratings

4.7+ star average from verified customer reviews

Fully Licensed

All contractors are properly licensed and insured

Proven Experience

10+ years average experience in the industry

Local Experts

Familiar with San Antonio regulations and climate

Frequently Asked Questions About Home Security in San Antonio

Get answers to common questions about home security services in San Antonio, Texas.

1What is the average cost for a professionally installed home security system in San Antonio?

In San Antonio, average upfront equipment costs range from $200 to $1,500, with monthly monitoring fees typically between $30 and $60. Local factors like the size of your home, the need for cellular backup (important given occasional severe weather disrupting landlines), and specific equipment like outdoor cameras rated for our high heat and humidity can influence the final price. It's wise to get quotes from several local providers to compare.

2How does San Antonio's climate affect my choice of security equipment?

San Antonio's intense summer heat, high humidity, and potential for hail require durable, weatherproof equipment. Ensure outdoor cameras and sensors have a high IP weather-resistance rating and a wide operating temperature range. For monitored systems, a cellular backup is highly recommended, as our frequent severe thunderstorms can temporarily knock out power and internet, leaving systems vulnerable if they rely solely on Wi-Fi or landlines.

3Are there any local permits or regulations for home security systems in San Antonio?

The City of San Antonio requires an alarm permit for any monitored security system, which must be renewed annually for a small fee (currently $25/year). Failing to obtain a permit can result in fines, especially for false alarms. After multiple false alarms in a year, the city may impose penalties, so it's crucial to work with your provider and family to ensure proper system use and to choose equipment with features like pet-immune motion sensors.

4What should I look for when choosing a local San Antonio security provider versus a national company?

A reputable local provider will have specific knowledge of neighborhood crime trends in areas like the North Central corridor or the historic districts, and they can offer faster, in-person service and support. They are also more familiar with local permitting and false alarm ordinances. Always verify the company is licensed by the Texas Department of Public Safety Private Security Bureau (TX DPS PSB) and check for reviews specific to their San Antonio service.

5With San Antonio's active holiday and festival seasons (like Fiesta), are there special security considerations?

Yes, during major events like Fiesta, holidays, or even summer vacations when families travel to the coast, homes can be targeted. It's advisable to enhance security with added motion-activated lighting, ensure all yard gates are locked, and use security system features like vacation modes that randomize interior light timers. Inform your monitoring center of extended absences, and consider temporary signgage indicating an active alarm system to deter opportunistic crime.