Gordon Oslund » Real Estate Appraisers Go back to directory. Gordon Oslund Appraisal Services of Mankato 1015 South Front Street Mankato MN 56001 work Work Phone: 507-387-1137work Work Email: gordy@appraisalservicesmankato.comINTERNET Website: http://www.appraisalservicesmankato.com Categories: Affiliates, Appraisers, REALTORS Updated 1 year ago.