New York construction law

New York Mechanics Lien Deadlines: The Eight-Month Filing Window and the Single-Family Exception

New York gives mechanics lien claimants a relatively generous filing window — eight months after completion of the work — but compresses it to four months for a single-family dwelling. There is no statewide preliminary notice, yet strict service and proof-of-service deadlines follow filing, and the lien expires one year after filing unless extended or foreclosed. This guide walks the New York Lien Law timeline a contractor or sub actually has to run.