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Tax Office / Record Management

Monica Madrigal

Monica Madrigal

Tax Assessor – Collector

(956) 473-7900



United ISD Tax Office located at 3501 E. Saunders will reopen its doors for payment processing beginning on Monday, February 22, 2021. Four teller stations will be available to receive tax payments during regular working hours beginning at 8:00 a.m. to 4:30 p.m. Monday through Friday.

The following guidelines are in effect upon reopening the office:

  • Everyone must adhere to a temperature check, wear a facemask, and practice social distancing at all times upon entering the lobby.
  • Due to the restricted space of the tax office lobby, only one person at each teller station will be permitted.

Other payment options are available for your convenience:

Payment drop off box located to the right of the office doors at 3501 E. Saunders available from 7:30 a.m. to 5:00 pm Monday-Friday. (Only checks and money orders are accepted)

Online payments for a fee at: (Credit, debit or checks accepted)

Mail-in payments to:

United ISD Tax Office
3501 E. Saunders
Laredo, Texas 78041

If you have any questions please call the tax office at 956-473-7900.

Please be advised the tax office will closed for the following holidays:

Staff Holiday from 3/15/2021 - 3/19/2021. The office will resume regular working hours on 3/22/2021.  

Staff Holiday on 4/2/2021. The office will resume regular working hours on 4/5/2021.


Tax Office – Mission

The Tax Office is dedicated to provide accurate and certified tax information with integrity by delivering the highest level of customer service to its taxpayers, as well as applying professional methods to obtain the highest percentage of collection for the benefit of every student of United Independent School District.

Records Management Office - Mission Statement

The United ISD Records Management Department is dedicated to the management, security, maintenance and preservation of all district records from the time of creation to its possible disposition by assisting campuses and departments with identifying and standardizing records retention/disposition practices that adhere with the Texas Library and Archives Commission and the UISD Retention Schedule.


Tax Office Resources

Tax and Budget Information