Briscoe County Tax Assessor Address: 415 Main St, Silverton, TX 79257 Phone: (806) 823-2131 Lawyers, County Government, County Government-Finance & Taxation Other Businesses: Briscoe County Attorney's Offices at 415 Main St, Silverton, TX 79257 Malt Shop at 500 Lonestar St, Silverton, TX 79257