Welcome to the Central Susquehanna Valley Board of REALTORS ® The Central Susquehanna Valley Board of REALTORS ® Proudly Serving Columbia, Montour, Northumberland, Snyder and Union Counties. Search the MLS Columbia County Montour County Snyder County Union County Northumberland County Danville Business Alliance Upcoming Events Event Calendar Education Calendar CSVBR Membership Meetings Committees Calendar "Nominate Your Fellow Realtor®" Lifetime Achievement Award 2025 Realtor of the Year Ready to Become a Member? Membership Options