Matt Shaheen
Republican Incumbent
Matt Shaheen has represented Texas House District 66 in Collin County since 2015, according to the Texas House's official roster. No campaign website was found as of September 11, 2026.
2 candidates are tracked for Texas House District 66, headed to a November 3, 2026 runoff: Matt Shaheen and Sandeep Srivastava. Candidate information follows official Collin County election filings; verify with the official election office linked below.
Matt Shaheen (Republican), Sandeep Srivastava (Democratic) are on the November 3 ballot for Texas House District 66; Matt Shaheen is the sitting member, per the Texas House of Representatives' official roster. Nominees were chosen at the March 3 primary (or a May 26 runoff) or advanced unopposed; the field is the Texas Secretary of State's certified 2026 General Election candidate list. This seat is elected by district; only the district covering your address appears on your ballot.
State legislator. State legislators write and vote on state laws and the state budget, which fund schools, roads, prisons, universities and health programs, and set the rules for local governments and elections. Each member represents one district and serves on committees that shape bills before a floor vote. Terms are two years in most state houses and four in most state senates.
This race. Elected by district: only voters who live in the district see this race on their ballot. The sitting officeholder, Matt Shaheen, is on the ballot.
Texas › Collin County › Texas House District 66
Republican Incumbent
Matt Shaheen has represented Texas House District 66 in Collin County since 2015, according to the Texas House's official roster. No campaign website was found as of September 11, 2026.
Democratic
Per the campaign site.
Sandeep Srivastava is the Democratic candidate for Texas House District 66 on the November 3, 2026 ballot, per the Texas Secretary of State's certified 2026 General Election candidate list. Is a business owner and longtime Plano/Frisco resident, per campaign site. Describes himself as a first-generation immigrant, parent and husband active in civic engagement, per campaign site.
Who is running for Texas House District 66 in 2026?
2 candidates are tracked for Texas House District 66, headed to a November 3, 2026 runoff: Matt Shaheen and Sandeep Srivastava. Candidate information follows official Collin County election filings; verify with the official election office linked below.
When is the Texas House District 66 election in Texas?
Election Day is Tuesday, November 3, 2026. Registration deadlines, early voting dates and mail ballot rules for Texas are on the Texas election hub at theballotbrief.com.
How do I see my exact Collin County ballot?
Enter your ZIP code in the lookup at theballotbrief.com for the statewide and congressional races, or a full street address to add the county, city and district contests for that location.
Candidate roster from official Collin County and state election office filings, last verified September 27, 2026. Bios and priorities carry their attribution inline.
Cross-check with the official Texas election office, or see the full Collin County sample ballot and your exact ballot by address.
38 tracked races in Collin County, Texas. Landed here from another county's search? Look up your own ballot below.