Yarnell Security provides complete security systems and 24/7 monitoring for home and business customers throughout the central Pennsylvania area. Our companies have been in business since 1967. We are family owned and operated and enjoy a solid reputation throughout the community for trust and value.
SERVICE YOU CAN TRUST
Yarnell Security offers the oldest locally owned central monitoring station in the Lancaster community, providing comprehensive monitoring services by experienced, professional security personnel 24 hours a day, 7 days a week.
We are a UL LISTED MONITORING, INSTALLATION AND SERVICE COMPANY. We are members of the Lancaster Chamber of Commerce, Associated Builders and Contractors, and have NICET CERTIFIED personnel on staff.