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Tax Office / Record Management

Monica Madrigal

Monica Madrigal

Tax Assessor – Collector

(956) 473-7900



The United ISD Tax Office will begin a four-day summer work schedule on May 31, 2021 and will end on July 29, 2021. The hours of operation will be from 8:00 am to 5:00 pm from Monday through Thursday for payment processing.

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 7:00 a.m. to 6:00 pm Monday-Thursday. (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.


Tax Office – Mission Statement

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