The tax office is located at 2621 W. Airport Fwy, at the back of the administration building. There are a set of doors that say "Tax Office." For your added convenience, there is a night drop to the right of the door in the wall.
Regular Office Hours
Monday - Thursday: 8:00 am - 5:00 pm
Friday: 8:00 am - 4:30 pm
PO Box 152021
Irving TX 75015-2021