Harris County, Texas voter registration office: address and phone for 2026
The Texas Secretary of State lists Harris County's voter registration office as the Tax Assessor-Collector at 1001 Preston, 2nd Floor, Houston, TX 77002, phone 713-274-8200. For early voting, see every Harris County early voting location with days and hours.
Harris County voter registration office
Harris County Tax Assessor-Collector
Office: 1001 Preston, 2nd Floor, Houston, TX 77002
Mailing address: P.O. Box 3527 Houston, TX 77253-3527
Phone: 713-274-8200
Check your registration and find your polling place at VoteTexas.gov, the state's voter site.
Texas voting dates for Harris County voters
| Date | What |
|---|---|
| Mon, Oct 5 | Last day to register Mail applications must be postmarked by this date; in-person applications must reach your county voter registrar by then. Texas has no online registration, and the post office may not postmark mail the day you drop it off — ask for a manual postmark at the counter. source |
| Mon, Oct 19, 8:00 AM | Early voting opens Early voting by personal appearance runs Oct 19–30. Days, hours and locations are set by each county. source |
| Fri, Oct 23, 5:00 PM | Apply for a ballot by mail Your county early voting clerk must receive your application by this date; a postmark does not count. source |
| Fri, Oct 30, 5:00 PM | Early voting ends Last day of early voting by personal appearance. Hours vary by county. source |
| Tue, Nov 3, 7:00 PM | Election Day: polls open 7:00 a.m. to 7:00 p.m. The same local hours apply statewide, including El Paso and Hudspeth counties on Mountain time. In counties with vote centers you can vote at any of them. source |
| Tue, Nov 3, 7:00 PM | Return your mail ballot Must arrive by 7 p.m. on Election Day if the carrier envelope isn't postmarked, or by 5 p.m. on Nov 4 if it is postmarked by 7 p.m. on Election Day. Different deadlines apply to overseas and military voters. source |
Harris County voting questions
What is the phone number for the Harris County voter registration office?
713-274-8200, the Tax Assessor-Collector (Harris County's voter registration office on the Texas Secretary of State, County Voter Registration Officials list).
What is the address of the Harris County voter registration office?
1001 Preston, 2nd Floor, Houston, TX 77002. Mailing address: P.O. Box 3527 Houston, TX 77253-3527.
When does early voting start in Harris County?
Early voting opens Monday, October 19; early voting ends Friday, October 30, 2026. Early voting by personal appearance runs Oct 19–30. Days, hours and locations are set by each county. Harris County's locations are on our Harris County early voting page.
More for Texas voters
- Who is on the Texas ballot: every candidate on the state's official list, race by race.
- Texas voting deadlines 2026: registration, mail ballots, early voting and Election Day.
- Texas early voting locations we have read so far, with days and hours.
- Every Texas county's office.
- Early voting dates in every state.
Other Texas counties: Anderson, Andrews, Angelina, Aransas, Archer, Armstrong, Atascosa, Austin, Bailey, Bandera, Bastrop, Baylor, Bee, Bell, Bexar, Blanco, Borden, Bosque, Bowie, Brazoria, Brazos, Brewster, Briscoe, Brooks, Brown, Burleson, Burnet, Caldwell, Calhoun, Callahan, Cameron, Camp, Carson, Cass, Castro, Chambers, Cherokee, Childress, Clay, Cochran, Coke, Coleman, Collin, Collingsworth, Colorado, Comal, Comanche, Concho, Cooke, Coryell, Cottle, Crane, Crockett, Crosby, Culberson, Dallam, Dallas, Dawson, Deaf Smith, Delta, Denton, DeWitt, Dickens, Dimmit, Donley, Duval, Eastland, Ector, Edwards, El Paso, Ellis, Erath, Falls, Fannin, Fayette, Fisher, Floyd, Foard, Fort Bend, Franklin, Freestone, Frio, Gaines, Galveston, Garza, Gillespie, Glasscock, Goliad, Gonzales, Gray, Grayson, Gregg, Grimes, Guadalupe, Hale, Hall, Hamilton, Hansford, Hardeman, Hardin, Harrison, Hartley, Haskell, Hays, Hemphill, Henderson, Hidalgo, Hill, Hockley, Hood, Hopkins, Houston, Howard, Hudspeth, Hunt, Hutchinson, Irion, Jack, Jackson, Jasper, Jeff Davis, Jefferson, Jim Hogg, Jim Wells, Johnson, Jones, Karnes, Kaufman, Kendall, Kenedy, Kent, Kerr, Kimble, King, Kinney, Kleberg, Knox, La Salle, Lamar, Lamb, Lampasas, Lavaca, Lee, Leon, Liberty, Limestone, Lipscomb, Live Oak, Llano, Loving, Lubbock, Lynn, Madison, Marion, Martin, Mason, Matagorda, Maverick, McCulloch, McLennan, McMullen, Medina, Menard, Midland, Milam, Mills, Mitchell, Montague, Montgomery, Moore, Morris, Motley, Nacogdoches, Navarro, Newton, Nolan, Nueces, Ochiltree, Oldham, Orange, Palo Pinto, Panola, Parker, Parmer, Pecos, Polk, Potter, Presidio, Rains, Randall, Reagan, Real, Red River, Reeves, Refugio, Roberts, Robertson, Rockwall, Runnels, Rusk, Sabine, San Augustine, San Jacinto, San Patricio, San Saba, Schleicher, Scurry, Shackelford, Shelby, Sherman, Smith, Somervell, Starr, Stephens, Sterling, Stonewall, Sutton, Swisher, Tarrant, Taylor, Terrell, Terry, Throckmorton, Titus, Tom Green, Travis, Trinity, Tyler, Upshur, Upton, Uvalde, Val Verde, Van Zandt, Victoria, Walker, Waller, Ward, Washington, Webb, Wharton, Wheeler, Wichita, Wilbarger, Willacy, Williamson, Wilson, Winkler, Wise, Wood, Yoakum, Young, Zapata, Zavala.
Office details are from the Texas Secretary of State, County Voter Registration Officials (checked October 14, 2026). Dates are Texas's, each linked to its source. Call the office before you go.