Town Hall Address 1183 Plainfield Pike, P. O. Box 157 Oneco, CT 06373 United States- Windham County Website http://www.sterlingct.us Town Clerk 860-564-2657 United States Tax Collector 860-564-7563 United States Assessor 860-564-3030 http://sterling.ias-clt.com/parcel.list.php United States Building 860-564-2275 United States Zoning 860-564-2275 Weds only- 4;00-6:00pm United States Fire District 860-564-0048 United States Water 860-564-7563 United States Sewer 860-564-7563 United States Probate Court Plainfield-Killingly Regional (PD-27) Tax Adjustment Uniform Fiscal Year- July, January Indices General Index > real property > town taxes > sewer assessment > sewer use > water use > fire district taxes Town Hall Hours Monday and Tuesday – 8:00 to 4:30, Wednesday – 8:00 to 6:00, Thursday – 8:00 to 4:00, Friday – Closed Fire District Sterling Fire District Water Source Tax Collector Sewer Source Tax Collector County Windham