Protection
Safety
Security
for over 45 years
Protect Your Family and Business with a Monitored Security System
Residential
Protect what you love most with a security system from Signal Service.
Business
Manage your business from anywhere with the latest security system technology from Signal Service.
Government
Signal Service is Micro-Small Business Certified in California and can provide Fire, Burglar, Access, and CCTV.
Protect your property and assets
Get a Free Estimate
Burglar & Fire Alarm
Access Control
Temperature Control
Camera System
For almost 35 years, Signal Service has exceeded our security surveillance expectations.
Larry Cornish
Dignity Health
Aamdor County Unified School District
Adventist Health Sonora
Barsotti
Ironestone Vineyards
Sutter Health Hospital
Skinner Vineyards & Winery
El Dorado County Office of Education
Marshall Medical Center
Sierra Hills Food Market
