The HARRIS COUNTY M.U.D. #391 will hold a public hearing on a proposed tax rate for the tax year 2019 on October 14, 2019 @12:00pm at 3200 Southwest Freeway, Ste. 2600, Houston, TX 77027. Your individual taxes may increase or decrease, depending on the change in the taxable value of your property in relation to the change in taxable value of all other property and the tax rate that is adopted.