Contact Us If you are interested in working with Property Tax Advocates, please contact us.We would love to hear from you! Contact Us: By Phone: (972) 550-8877By Fax: (972) 550-8919By Mail:Property Tax Advocates, Inc.1125 S. Ball Street, Suite 105Grapevine, TX 76051 How might we help you? Please enable JavaScript in your browser to complete this form.Name *Email *Message *EmailSubmit