Jefferson County, Colorado

Colorado Senate District 4

2 candidates are tracked for Colorado Senate District 4 on the November 3, 2026 ballot: Justin Kurth and Teddy Collins. Candidate information follows official Jefferson County election filings; verify with the official election office linked below.

About this race

Justin Kurth (Democratic), Teddy Collins (Republican) are on the November 3 ballot for Colorado Senate District 4. Not on the November ballot: Mark Baisley, the sitting member per the roster. 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.

Colorado › Jefferson County › Colorado Senate District 4

Justin Kurth

Democratic

Top priorities

Focuses on veterans' care and outcomes
Supports first responders and addressing staffing shortages in those positions
Focuses on water infrastructure investment for the district's counties

Per the campaign site.

Biography

Justin Kurth is a candidate for Colorado Senate District 4, per his campaign site. He is a Marine Corps veteran who served as a sergeant and spent nine years as a 911 dispatcher and communications training officer at the Colorado Springs Police Department, per his campaign site. He served as Regional Director for U.S. Representative Brittany Pettersen, per his campaign site.

Campaign site (opens in a new tab)

Teddy Collins

Republican

Top priorities

Supports individual liberty, personal responsibility and limited government
Supports water security, forest health and wildfire prevention for the district

Per the campaign site.

Biography

Teddy Collins is a candidate for Colorado Senate District 4, per his campaign site. He is a Colorado business owner and civic leader, per his campaign site.

Campaign site (opens in a new tab)

Next on your ballotColorado Senate District 20

See your full ballot

Voting info and more

Questions about this race

Who is running for Colorado Senate District 4 in 2026?

When is the Colorado Senate District 4 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 Jefferson 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 Jefferson County and state election office filings, last verified September 25, 2026. Bios and priorities carry their attribution inline.

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

The rest of your Jefferson County ballot

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

Also on your ballot

Colorado Senate District 22 Colorado House District 23 Colorado House District 24 See all 19 Jefferson County races

Candidate profiles

Justin Kurth, full profile Teddy Collins, full profile Official Colorado election office