NYIA operates from our Manhattan office across the entire New York metropolitan area, with regular casework in all five boroughs, every Westchester community, Rockland County, and Long Island. Nationally and internationally through vetted partner agencies.
Wherever you are, you can reach a New York private investigator who knows the area. NYIA works as a private detective across the five boroughs, Westchester, and Long Island, with last minute surveillance when time is short.
The core of our caseload. Coverage across every NYC borough plus the Financial District as a dedicated practice area.






Complete Westchester County coverage from Yonkers in the south to the Putnam line, Hudson River to Connecticut border.
Coverage across Long Island's North Shore, South Shore, and Suffolk County. From Great Neck to Huntington and beyond.
NYIA keeps a second office in Haverstraw, covering all of Rockland County: New City, Nyack, Suffern, Spring Valley, Nanuet, Pearl River, Stony Point, and the surrounding communities.
Yes. New York Intelligence Agency is a licensed, bonded, and insured agency (NYS DOS #11000169770) serving the entire New York metro area. Every case is led by Emmy® Award winning investigator David Schassler with complete discretion.
From our Midtown Manhattan office we cover the entire New York metro area; for urgent matters we can usually mobilize the same day.
It depends on the service. Surveillance is billed hourly, while background checks and polygraph exams are flat fees. Most cases are quoted after a free, confidential consultation, with a written estimate before any work begins.