Our 501c3 nonprofit accepts property donations throughout the entire state of Washington. Donate a house, land, commercial property and more.To make a donation online, please fill out the form below. This is called fee land ownership, or sometimes "fee title" or "fee simple" acquisition. You can donate all or a portion of your property to King County Parks. Please consult a tax professional about any potential tax benefits. Form 8283 has two sections. Washington Farmland Trust is a 501(c)(3) nonprofit land trust. Simply donate it to World Wildlife Fund. Call today at 1.888-228-7320 , or contact us online through our Washington real estate donation form to learn more.