Boulder County, Colorado

Colorado House District 12

2 candidates are tracked for Colorado House District 12 on the November 3, 2026 ballot: Ryan Rhatigan and Kyle Brown. Candidate information follows official Boulder County election filings; verify with the official election office linked below.

About this race

Ryan Rhatigan (Republican), Kyle Brown (Democratic) are on the November 3 ballot for Colorado House District 12; Kyle Brown is the sitting member, per the General Assembly roster (leg.colorado.gov). Major-party nominees were chosen at the June 30 primary; minor-party nominees by assembly or petition and unaffiliated candidates by petition. The field is the Secretary of State's 2026 General Election candidate list. This seat is elected by district; only the district covering your address appears on your ballot.

What this office does

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, Kyle Brown, is on the ballot.

Colorado › Boulder County › Colorado House District 12

Ryan Rhatigan

Republican

Top priorities

Shift government contracts to performance-based payment
Expand county-level authority over energy decisions, including emerging technologies like thorium and micro-nuclear reactors
Expand home rule authority so decisions are made closer to residents

Per the campaign site.

Biography

Rhatigan is a residential contractor by trade who has called Boulder County home for the last ten years, per the campaign site. He says his experience managing budgets and project milestones for homeowners shapes his view of government accountability, per the campaign site.

Campaign site (opens in a new tab)

Kyle Brown

Democratic Incumbent

Top priorities

Expanding Colorado's Public Option and lowering health care costs
Wildfire recovery and community resilience

Per the campaign site.

Biography

Kyle Brown is a state representative who has represented Colorado House District 12 since 2023, per the Colorado General Assembly member directory and the campaign site. Brown chairs the House Appropriations Committee and previously served on the Louisville City Council, per the campaign site.

Campaign site (opens in a new tab)

Next on your ballotColorado House District 19

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Voting info and more

Questions about this race

Who is running for Colorado House District 12 in 2026?

When is the Colorado House District 12 election in Colorado?

Election Day is Tuesday, November 3, 2026. Registration deadlines, early voting dates and mail ballot rules for Colorado are on the Colorado election hub at theballotbrief.com.

How do I see my exact Boulder 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.

Verify this race

Candidate roster from official Boulder County and state election office filings, last verified September 27, 2026. Bios and priorities carry their attribution inline.

Cross-check with the official Colorado election office, or see the full Boulder County sample ballot and your exact ballot by address.

The rest of your Boulder County ballot

15 tracked races in Boulder County, Colorado. Landed here from another county's search? Look up your own ballot below.

Also on your ballot

Colorado House District 49 Boulder County Commissioner District 3 Boulder County Sheriff See all 15 Boulder County races

Candidate profiles

Ryan Rhatigan, full profile Kyle Brown, full profile Official Colorado election office