Town Hall Address 71 Mount Vernon Street Winchester, MA 01890 United States- Middlesex County Website http://www.winchester.us/ Town Clerk 781-721-7130 https://www.winchester.us/199/Town-Clerk United States Assessor 718-721-7111 https://www.winchester.us/141/Assessors-Department Monday: 8am - 7:00pm Tue- Thur 8am -4pm Friday 8am - 12pm 71 Mt. Vernon St. Winchester, United States Tax Collector 781-721-7124 Monday: 8am - 7:00pm Tue- Thur 8am -4pm Friday 8am - 12pm 71 Mt. Vernon St. Winchester, United States Fire District 718-729-1802 United States Water 781-721-7100 United States Town Hall Hours Monday: 8am - 7:00pm, Tue- Thur 8am -4pm, Friday 8am - 12pm County Middlesex