Beginning July 31st, full time offices in Galveston, Santa Fe and Texas City are open Monday through Thursday 7:30 am to 5:30 pm and Friday from 8:00 am to Noon.  League City office is open Monday through Friday 8:00 am to 5:00 pm.  We close all County Holidays and for an Annual Staff Development Day of training on Columbus Day each year (October 12th in 2026).

The Friendswood Satellite office opens each Thursday and Friday from 8:00 am to 5:00 pm (closed from Noon to 1:00 pm for lunch).  The Friendswood Satellite office is closed whenever City Hall is closed in addition to County holidays shown below.  The Crystal Beach Satellite office opens the 3rd Tuesday of every month from 7:30 am to 4:30 pm (closed from Noon - 1:00 pm for lunch). 

Other important dates are shown below. Have questions or need directions? Call toll free 1-877-766-2284. Additional deadlines will be added as appropriate.

Important Tax Office Dates 

Monthly Recurring Events:

Sheriff Sales are conducted online the first Tuesday of each month beginning at 10 am (unless it is a holiday then the following business day).  See Property Tax/Sheriff Sale link at left.

Specific Events

November 11, 2025              County Holiday - Veterans Day 

November 27 & 28, 2025     County Holiday - Thanksgiving 

December 1, 2025                 First half of 2025 property taxes due if split/half pay participant

December 25 & 26, 2025     County Holiday - Christmas Day & Day After

February 2, 2026                  Last day to timely pay 2025 taxes (or first 1/4 installment)

March 2, 2026                      Last day to sign up for late ¼ installments (first ¼ + 7% on the first ¼)

March 31, 2026                   Last day to pay 2nd ¼ installment

April 3, 2026                      County Holiday - Good Friday 

May 15, 2026                       Last day to schedule appointment with CAD to protest 2026 value

May 25, 2026                       County Holiday - Memorial Day 

June 1, 2026                        Last day to pay 3rd ¼ installment

June 19, 2026                      County Holiday - Juneteenth 

June 30, 2026                      Last day to pay 2nd ½ pay installment AND to obtain 2025 payment agreement
                                                  (to avoid attorney fees)

July 3, 2026                          County Holiday - Independence Day 

July 31, 2026                       Last day to pay final ¼ installment

September 7, 2026              County Holiday - Labor Day

October 12, 2026                 Annual GCTO Staff Development Day - Offices Closed

November 11, 2025              County Holiday - Veterans Day 

November 26 & 27, 2026     County Holiday - Thanksgiving 

November 30, 2026               First half of 2026 property taxes due if split/half pay participant

December 24 & 25, 2026      County Holiday - Christmas Eve and Christmas Day

January 1, 2027                     County Holiday - New Year's Day