Security Systems
NYC Security Systems
Access control, IP video intercoms, surveillance, and keyless entry — designed and installed for NYC residential and commercial properties.
15–30 minutes
Manhattan response
Fully Licensed, Bonded & Insured
Since 2005
4.9 ★
312+ verified reviews
Security Systems
Every Security System We Install
From a single-door card reader to a campus-wide enterprise deployment — we own the install, integration, and ongoing service.
Authorized Dealer
Top Brands We Service & Install
We are factory-authorized for every premier locksmith hardware brand — and we stock the parts to install them today.
FAQ
Security Systems FAQ
Schedule OnlineOr call (212) 961-6790
Book a Free On-Site Estimate.
Tell us what you need and when. A licensed Sullivan technician will arrive in your chosen window with a flat-rate quote — no obligation, no surprise upcharges.
Flat-rate pricing — quoted before we dispatch
Licensed, W-2 technicians (never subcontractors)
Same-day appointments across all 5 boroughs
15–30 minute Manhattan emergency response
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