Protecting What
Matters Most
Central Tech LLC delivers professional security system installation, monitoring, and maintenance for homes, businesses, and industrial facilities across the region.
Licensed & Insured
Fully certified
24/7 Support
Always available
5-Star Rated
Trusted by hundreds
Expert Technicians
Trained & certified
What We Do
Complete Security Solutions
System Installation
Full-service installation of cameras, alarms, access control, and integrated security systems tailored to your property.
24/7 Monitoring
Round-the-clock professional monitoring so threats are detected and responded to immediately — day or night.
Maintenance & Repair
Scheduled maintenance and rapid repair services to keep your security systems running at peak performance.
System Upgrades
Modernize outdated systems with the latest technology — smart cameras, cloud storage, mobile access, and more.
Who We Serve
Markets We Protect
Residential
Protect your home and family with smart cameras, alarm systems, and remote monitoring.
Commercial
Comprehensive security for offices, retail, restaurants, and multi-tenant buildings.
Industrial
Heavy-duty surveillance and access control for warehouses, plants, and large facilities.
The Central Tech Difference
Why Choose Central Tech?
We beat national companies because we're local — family-owned, no call centers, and we treat every customer like a neighbor.
Family-Owned
Not a franchise. Real Long Island people who care about your property.
No Call Centers
You reach us directly — nights, weekends, and holidays. Always.
24/7 Support
Round-the-clock monitoring and emergency service, every day of the year.
Same-Day Service
When emergencies happen, we show up fast. Same-day service available.
NY DOS Licensed
License #12000344130. Fully insured, certified, and compliant.
Long Island Choice Award
Recognized by the community as a top-rated local security company.
Rapid Response Monitoring
Professional 24/7 alarm monitoring through our Rapid Response partnership.
Financing Available
Don't let budget hold you back. Flexible financing options available.
NY DOS License
#12000344130
Monitoring Partner
Rapid Response
Community Recognition
Long Island Choice Award
Free Estimates
No Obligation
Trusted By
Long Island Businesses That Count On Us
From local restaurants and fire departments to national distributors — these are just a few of the clients who trust Central Tech LLC to protect what matters most.
Serving hundreds of residential and commercial clients across Nassau & Suffolk County since 1994.
Customer Reviews
What Our Customers Say
Trusted by homeowners and businesses across Long Island for over 30 years.
"Central Tech installed a full camera system and burglar alarm at my home. The technicians were professional, clean, and explained everything clearly. I feel so much safer now. Highly recommend to anyone on Long Island."
Michael T.
Valley Stream, NY
Burglar Alarm & CCTV
"We've used Central Tech for our restaurant for years. They installed our fire alarm system and access control, and whenever we need service they respond fast. Family-owned and they treat you like family too."
Sandra R.
Rockville Centre, NY
Fire Alarm & Access Control
"After getting a quote from a national company that was way overpriced, I called Central Tech. They came out the same day, gave me a fair price, and had everything installed within the week. No call centers — real people."
James K.
Lynbrook, NY
Home Security System
30+
Years Serving Long Island
5.0★
Average Customer Rating
100%
Licensed & Insured
24/7
Monitoring & Support
Coverage
Our Service Area
We proudly serve residential and commercial clients throughout the greater region. Contact us to confirm coverage in your area.
View Full Service Area
Ready to Secure Your Property?
Get a free, no-obligation quote from Central Tech LLC. Our experts will assess your needs and design the right security solution for you.