Real estate excise tax forms ; Single location Affidavit. Please reach out or fill in our property tax intake form to find out if we can help you.A donation agreement, also called a charitable gift agreement, is a document that established proof of a donation or gift to a charitable organization. The property described in this section is exempted from general property taxes if the property is exempt under sub. (1), (2), (18), (21), (27) or (30). This publication is designed to help donors and appraisers determine the value of property (other than cash) that is given to qualified organizations. To donate land – Call 888-228-7320 or Complete The Following Land Donation Form. Donate Your Land Now! Lookup and pay your Real Property tax bill and find answers to your questions about real property taxes. Donate Real Estate through our 501(c)3 nonprofit Charity!