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

                                                  (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

January 18, 2027                  County Holiday - MLK Day

February 1, 2027                   Last day to timely pay 2026 taxes (or first 1/4 installment)

March 1, 2027                       Last day to sign up for late ¼ installments (first ¼ + 7% on the first ¼)

March 26, 2027                     County Holiday - Good Friday

March 31, 2027                     Last day to pay 2nd ¼ installment

May 17, 2027                         Last day to schedule appointment with CAD to protest 2027 value

May 31, 2027                        County Holiday - Memorial Day 

June 1, 2027                         Last day to pay 3rd ¼ installment

June 18, 2027                       County Holiday - Juneteenth 

June 30, 2027                       Last day to pay second half of 2026 property taxes

July 5, 2027                           County Holiday - Independence Day

August 2, 2027                      Last day to pay 4th and final installment of 2026 property taxes 

September 6, 2027              County Holiday - Labor Day

November 11, 2027             County Holiday - Veteran's Day

November 25-26, 2027        County Holidays - Thanksgiving

 November 30, 2027             First half of 2027 property taxes due (split or half pay)

December 24, 2027              County Holiday - Christmas Eve