Town Hall Address 250 W. First St. Prosper, TX 75078 United States- Collin County Website https://www.prospertx.gov Zoning 972-346-3502 250 W. First St. Prosper, TX 75078 United States Town Clerk 972-569-1026 250 W. First St. Prosper, TX 75078 United States Water 972-569-1180 250 W. First St. Prosper, TX 75078 United States Sewer 972-569-1180 250 W. First St. Prosper, TX 75078 United States Code Enforcement 972-569-1079 250 W. First St. Prosper, TX 75078 United States Town Hall Hours Monday - Friday: 8:00 AM - 5:00 PM County Collin