USPS postmark changes may cause tax payment delays, here is what you need to know Travis County property taxes are due Jan. 31. Officials urge residents to pay online to avoid penalties and mailing delays. https://www.kxan.com/news/local/travis-county/usps-postmark-changes-may-cause-tax-payment-delays-here-is-what-you-need-to-know/ #TravisCounty #Austin #Local #News #TopStories #Deadline #PropertyTax