The Best Home Security in Chesterfield, MO

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

#1

A-1 Security Services, Inc.

4.8
(180 reviews)
Verified

A locally owned and operated security integrator with a long-standing reputation in the St. Louis metro area. They are known for personalized service, high-quality equipment from brands like DSC and Avigilon, and their own in-house, St. Louis-based 24/7 monitoring center (A-1 Central Station). They specialize in custom-designed systems for both residential and commercial clients.

15405 Manchester Rd, Ellisville, MO 63011 (Located just minutes from Chesterfield)

Specialties & Features

Alarm system monitoring services
Access control systems
Security system maintenance and repair

Business Information

Years in Business:25 years
Licensed:Yes
Insured:Yes
#2

ADT Security Services

4.2
(250 reviews)
Verified

A national leader with a strong local presence. ADT is known for its brand recognition, extensive nationwide monitoring network, and broad range of smart home integrations. They offer professionally installed systems and are a go-to for many homeowners seeking a well-known, reliable provider with extensive resources.

174 Clarkson Rd, Ellisville, MO 63011 (Local sales & service office serving Chesterfield)

Specialties & Features

24/7 professional monitoring services
Smart home security integration
Video surveillance systems

Business Information

Years in Business:145 years
Licensed:Yes
Insured:Yes
#3

Titan Alarm, Inc.

4.7
(90 reviews)
Verified

A highly-rated local security company serving the St. Louis region, including Chesterfield. They focus on custom residential and commercial security solutions and are known for their responsive customer service and expertise in modern security technology, including smart locks and video doorbells.

16216 Baxter Rd, Chesterfield, MO 63017

Specialties & Features

Security camera installation
Smart home security integration
Home security system installation

Business Information

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

Why These Are the Top Home Security Contractors in Chesterfield

The home security market in Chesterfield, MO is robust and competitive, characterized by a mix of nationally recognized giants like ADT and Vivint and several highly reputable, long-standing local integrators. The affluent nature of Chesterfield and its suburbs drives demand for high-end, integrated systems that include video surveillance, smart home automation, and access control. The average quality of service is high, as local companies compete on service quality and customization rather than just price. Typical pricing for a professionally installed system can range from $600 to $2,000+ for equipment and installation, with monthly monitoring fees typically falling between $30 and $60+. Customers in this market tend to value local monitoring centers (like A-1's), responsive maintenance, and seamless technology integration.

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 Chesterfield regulations and climate

Frequently Asked Questions About Home Security in Chesterfield

Get answers to common questions about home security services in Chesterfield, Missouri.

1What is the typical cost range for installing a monitored home security system in Chesterfield?

In Chesterfield, a professionally installed, monitored system typically ranges from $0 to $200 for equipment and installation with a long-term contract, plus a monthly monitoring fee of $30 to $60. Regional pricing is competitive, but final costs depend on your home's size, the technology (cellular/wired), and add-ons like security cameras or home automation. It's wise to get quotes from several local providers to compare packages specific to the St. Louis area market.

2How does Missouri's climate, with its hot summers and cold winters, affect my security system choice?

Chesterfield's temperature extremes and seasonal thunderstorms necessitate choosing equipment rated for a wide operating temperature range and systems with a cellular or dual-path (cellular + internet) backup to maintain monitoring during power outages. For outdoor cameras and sensors, ensure they have a high weatherproof (IP) rating to withstand summer humidity, heavy rain, and winter ice. A local provider will understand these regional installation best practices.

3Are there any local Chesterfield or St. Louis County ordinances I should know about before installing security cameras?

Yes, while Missouri state law is generally permissive, St. Louis County ordinances require that surveillance cameras cannot be positioned to intentionally record inside a neighbor's home or private areas. In Chesterfield, it's also important to check your specific subdivision's covenants (HOA rules), as they may have guidelines on the placement and appearance of external security equipment to maintain community aesthetics.

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

A reputable local Chesterfield provider often offers more personalized service, faster local technician response for maintenance, and specific knowledge of area crime trends and infrastructure. Verify they are licensed by the Missouri Division of Professional Registration as a Private Security Firm and that their monitoring center is UL-listed. Always check reviews from other local homeowners and ask for local references.

5My home has a lot of windows and doors facing wooded areas. What extra security measures are recommended for Chesterfield properties like this?

For perimeter coverage in wooded or secluded lots common in Chesterfield, consider adding motion-activated outdoor lighting and perimeter sensors, such as glass break detectors or window sensors, on all accessible ground-floor openings. Wireless outdoor cameras with motion detection and night vision are crucial for monitoring tree lines and driveways. Discuss with your installer about creating layered "defense zones" tailored to your property's specific layout.