Town Hall Address United States- Union County Website https://www.cityoflakebutler.com/ County Clerk (386) 496-3711 https://www.unionclerk.com/ Mon - Fri: 8am - 5pm 55 West Main Street Union County Courthouse Rm 103 Lake Butler, 32054 United States Tax Collector (386) 496-3331 http://www.unioncountytc.com/ Mon - Fri: 8am - 5pm 55 W Main St #108 Lake Butler, 32054 United States Assessor (386) 496-3431 http://www.unionpa.com/ Mon - Fri: 8am - 5pm 55 W Main St., Rm 109 Lake Butler, 32054 United States County Union