Gavin Bros Auctioneers LLC & Gavin Bros Real Estate Real Estate & ServicesAuction Services Gavin Bros Auctioneers LLC & Gavin Bros Real Estate Visit Website 112 5th Ave Baraboo, WI 53913 (608) 524-6416 (608) 524-0292 (fax) About Map About We are focused on providing buyers & sellers the best results & services in the area. Experience Counts! We have been in the auction&real estate business for over 60 yrs. Let our expert team help you. What's Nearby? Distance: 5 10 15 20 25 50 mi.