Establish property records and record real estate transactions within Hennepin County. Learn how to make property tax payments in person, over the phone, or online.Update your legal name or mailing address. It's usually based on a default in the terms of the mortgage. Filling out this form is straightforward. A lien is a legal claim filed with the Office of the Minnesota Secretary of State or county recorder. For more information on excess equity compensation, see: Land Court Statement on Tyler v. Hennepin County Minnesota. What Happens to My Mortgage in a Tax Sale?