Town Hall Address 8744 County Road V Glen Haven, WI 53810 United States- Grant County Website http://www.glenhaventownship.com Town Clerk 608-794-2114 11037 Canal St. Glen Haven, WI 53810 United States Tax Collector 608-723-9489 11885 Ramsey Rd. Cassville, WI 53806 United States County Grant