About
Who they are
First Onsite is a commercial property restoration and emergency response company with local New York Metro, Long Island and Westchester teams backed by national resources, available 24/7, 365 days a year. Its New York office at 280 Madison Avenue handles water, fire and smoke damage, mold remediation, large-loss restoration and reconstruction for residential, multifamily, commercial and institutional properties across Manhattan, Queens, the Bronx, Staten Island and Long Island.