New York Consolidated Laws, Family Court Act - FCT § 1015. Venue

(a) Proceedings under this article may be originated in the county in which the child resides or is domiciled at the time of the filing of the petition or in the county in which the person having custody of the child resides or is domiciled.  For the purposes of this section, residence shall include a dwelling unit or facility which provides shelter to homeless persons or families on an emergency or temporary basis.

(b) If in another proceeding under this act the court directs the filing of an abuse or neglect petition, the venue provision of the article under which the other proceeding is brought and the provisions of part seven of article one shall apply.