How to Vote in Mountain View — Ballots mailed mid-October; deadline Nov 4, 2025.
Your Vote, Your Voice
Mountain View voters can cast a ballot in several convenient ways. Some residents may wonder when ballots will arrive—mailing begins October 10. For the most current information, please refer to the Jefferson County Clerk & Recorder.
Key Dates
October 10
Ballots mailed & drop boxes open
October 27
Last day to safely mail your ballot
November 4
Election Day – ballots due by 7 p.m. (postmarks do not count)
How to Vote – Quick Guide
Voting by Mail
Voting in Person
Check Your Registration
and Track Your Ballot
- Ballots are mailed beginning October 10 and will start arriving shortly after.
- If you don’t receive your ballot within a week, contact the Jefferson County Elections Division for assistance.
- Return your ballot by mail or use an official 24-hour drop box.
- Find your nearest drop box: Jeffco Ballot Drop Box Locations
- Postage rules and drop box locations are listed on the county’s site.
- Jefferson County operates vote centers where any Jeffco voter can:
- Vote in person
- Update registration
- Request a replacement ballot
- Locations, dates, and hours are set by the county and may change—always confirm before you go.
Official Resources
- Jefferson County Elections: jeffco.us/elections
- Jefferson County Clerk & Recorder: jeffco.us/clerk-recorder
- Colorado statewide voter tools are also linked from the county site.
Need Help? 🤔
If you run into an issue (lost ballot, name/address change, accessibility question), contact the Jefferson County Clerk & Recorder Elections Division for assistance. You can also reach out to my campaign, and we’ll point you in the right direction.