Welcome to S.E.M. Security Systems your full service Electronic Security Company serving New York and New Jersey for all your Home and Business needs. Over 30 years of experience in the industry. We are experts in designing, installing and Monitoring, Burglar Alarms, Security Systems, Certified in Fire Alarms, Camera Systems, CCTV, Access Control, and more.

Here at S.E.M. every customer gets individual attention, a reputation we are proud of. That’s why we were chosen to protect many large companies in New York and New Jersey.

Our relationship-focused approach means we will be there to ensure that your security system remains a perfect fit, as your needs and technologies may change over time.

We are a locally owned company whose service outperforms nationally advertised companies; S.E.M. Security is the best choice. The real bargain here is our local expertise, consistently great service, and integrity.

Our Services

Home & Business Security Services:

• Home Security Services
• Alarm Monitoring
• Burglar Alarm Systems
• Video Surveillance Systems / iCloud Remote Video
• Access Control Systems
• Remote Alarm Management Services
• Fire Alarms and Gas Detection
• Fire Alarm Systems
• Fire Alarm Inspections
• Carbon Monoxide Detection Systems
• Smoke Detection Systems
• Gas Detection Systems
• Heat Detection Systems
• Wireless Security Systems for Home and Business Security
• Environmental Monitoring
• EVC - Enhanced Call Verification
• Medical Life Alert Systems and Monitoring