Go back to directory. Add to Address Book. Karin Willroth REALTOR® Coldwell Banker Resort Realty 202 S First Ave Bonner Sandpoint ID 83864 USAwork Cell Phone: 775-745-8300cell Work Phone: 208-263-6802work Work Email: karin.willroth@coldwellbanker.comINTERNET Categories: REALTORS® Updated 1 month ago.