Town Hall Address 16 Croton Avenue Ossining, NY 10562 United States- Westchester County Website https://www.townofossining.com/cms/ County Clerk Timothy C. Idoni 914-995-3081 Mon - Fri, 8am - 5pm 110 Dr. Martin Luther King Jr. Blvd White Plains, NY 10601 United States Town Clerk 914-762-8428 Monday - Friday, 8:30 am - 4:30 pm. 16 Croton Avenue Ossining, NY 10562 United States Tax Collector 914-762-8790 8:30 a.m. to 4:30 p.m., Monday through Friday. 16 Croton Avenue Ossining, NY 10562 United States Assessor 914-762-8274 assessor@townofossining.com 8:30 AM to 4:30 PM, Monday through Friday. 16 Croton Avenue Ossining, NY 10562 United States Code Enforcement 914-762-8419 bldgdept@townofossining.com Route 9A P.O. Box 1166 Ossining, NY 10562 United States Zoning 914-762-8419 Route 9A P.O. Box 1166 Ossining, NY 10562 United States Fire District 914-941-0215 21 State St Ossining, NY 10562 United States County Westchester