Homeowners in Harris County began getting their property value notices in the mail last week, and notices will continue to be sent out over the coming weeks as the Harris County Appraisal District works to set values for every property in the county. Once a homeowner receives the value notice, he or she can decide to file a protest if they do not agree with the value that has been set. Here are a few things homeowners should know about the appraisal and protest process in Harris County: