Called by civicAPIUnofficial results
Colorado House District 25
Colorado House of Representatives · Colorado
Tammy Story won re-election by 13.6 points over Mark Herzfeld.
Tammy StoryDemocrat · winner · incumbent
56.8%29,921
Mark HerzfeldRepublican
43.2%22,765
52,686 votes
Source: Colorado Secretary of State unofficial results; race call: civicAPIUpdated Nov 7, 2026, 1:35 PM ET
Where the race moved
Against the 2024 presidential vote
The seat's recent races
Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)
Money in this race
Each line compares the two campaigns on one scale.
Tammy StoryMark Herzfeld
$149.9K
Raised by the campaign
$28.2K
$167.3K
Spent by the campaign
$25.9K
Campaign money: Colorado Secretary of State (TRACER), through Oct 28, 2026.
Source: Colorado Secretary of State (TRACER) campaign filingsUpdated Oct 28, 2026
Pre-election forecast (final, Nov 3)
Our model's last run before Election Day, Nov 3, 2026. It no longer updates.
- Tammy Story
- 99%
- Mark Herzfeld
- 1%
- Projected margin
- D+19.2