Town Hall Address 127 Collins Road Sunnyvale, TX 75182 United States- Dallas County Website http://Town of Sunnyvale, TX - Official Website | Official Website Zoning 972-203-4188 127 Collins Road Sunnyvale, TX 75182 United States Fire District 972-203-0314 Station 1 404 Tower Pl. Sunnyvale, TX 75182 United States Town Clerk 972-226-7177 127 Collins Road Sunnyvale, TX 75182 United States Water 972-203-4152 127 Collins Road Sunnyvale, TX 75182 United States Sewer 972-203-4152 127 Collins Road Sunnyvale, TX 75182 United States Tax Collector 972-226-7177 127 Collins Road Sunnyvale, TX 75182 United States Code Enforcement 972-203-4188 127 Collins Road Sunnyvale, TX 75182 United States Town Hall Hours Monday - Friday 8 a.m. - 5 p.m. County Dallas