Provide a bidders registration, which may be downloaded from the Delinquent Tax Sales website or filled out before a.m. For information about this process contact the Tax AssessorCollector's Office at 8178841186.Unimproved Property Contract. Required documents include the current title deed, sales contract, valid identification, and a recent property survey. If you are obtaining the forms for possible use in a real estate transaction, you should contact a real estate license holder or an attorney for assistance. Tarrant County Memorandum of a Contract Form. Fill in the blank form formatted to comply with all recording and content requirements. Transfer a deceased person's interest in real property to their heirs at law. Note: This is NOT a fill-in-the-blank form. If you have questions, would like a brochure, or to schedule a visit, please complete the form and our sales team will contact your shortly.