Compare the highest-rated home security professionals in Greenville, Illinois. All contractors are licensed, insured, and verified through our rigorous screening process.
A locally owned and operated security company providing personalized service for residential and commercial clients. They are known for their quick response times, expert installation, and strong focus on customer relationships. They offer a range of systems from basic alarms to fully integrated smart home and video surveillance solutions.
As the nation's largest and most recognized security brand, ADT provides comprehensive security solutions through authorized local dealers. They offer 24/7 professional monitoring from multiple centers, a wide array of modern equipment, and strong brand reliability. They serve the Greenville area with sales, installation, and monitoring.
A large, nationally recognized provider known for its in-house monitoring center and direct sales and service model. Guardian offers robust security packages that include intrusion detection, environmental monitoring (fire/CO), and video surveillance. They actively service and install systems in the Greenville area.
The home security market in Greenville, IL, is characteristic of a smaller Midwestern city. It features a limited number of dedicated local providers, with the market largely served by a mix of one highly reputable local company (Advanced Security Systems) and several major national corporations (ADT, Guardian, Vivint, etc.) that deploy mobile technicians to the area. Competition is moderate, which helps keep pricing relatively competitive. Consumers have a clear choice between the personalized service and local accountability of a hometown company and the extensive resources and name recognition of national brands. Typical pricing for a basic monitored system starts around $30-$45 per month, with installation fees ranging from $0 (with a contract) to several hundred dollars for a custom, locally-installed system. Smart home integration and video surveillance are now standard offerings across all major providers.
4.7+ star average from verified customer reviews
All contractors are properly licensed and insured
10+ years average experience in the industry
Familiar with Greenville regulations and climate
Get answers to common questions about home security services in Greenville, Illinois.
In Greenville, a professionally installed basic system typically starts between $99 and $199 for equipment with a monthly monitoring fee of $30 to $50. Local factors that can affect pricing include the age and construction of many historic homes in the area, which may require custom installation, and the need for equipment rated for Illinois' wide temperature swings, from humid summers to cold winters, which can influence system durability and cost.
For a standard home in Greenville, professional installation of a comprehensive security system typically takes 2 to 4 hours. You should expect the technician to survey your home's specific layout, discuss optimal sensor placement (especially for entry points common in local single-family home designs), and test all equipment. They will also ensure the system's cellular or internet backup is functional, which is crucial given occasional severe weather disruptions in Bond County.
Yes, seasonal considerations are important. Greenville experiences high summer humidity and severe thunderstorms, which can cause power outages, making a system with battery and cellular backup essential. Furthermore, during fall and winter when daylight hours shorten, automated lighting schedules become a valuable crime deterrent. It's also wise to secure outbuildings like sheds or detached garages, which are common on local properties and can be targets for tool theft.
When choosing a provider, consider a local or regional company for potentially faster response times for service and their familiarity with common home styles and layouts in Greenville. Verify that any provider, local or national, is properly licensed by the Illinois Department of Financial and Professional Regulation (IDFPR). Also, inquire about their experience with and recommendations for systems that withstand the local climate's temperature extremes.
A monitored combination alarm is highly recommended. While Illinois state law requires smoke detectors in homes, a monitored system provides a critical, immediate alert to emergency services if you're not home. This is vital for Greenville residences, especially during heating season when furnaces are running, increasing potential CO risks. Monitoring ensures help is dispatched even from remote locations like Lake Ka-Ho or while you're away during severe weather events.