2025 Municipal filing calendars (PDF)

Coordinated Election: Tuesday, November 4, 2025

If the municipal election is not held on November 4, 2025, contact the municipal clerk for filing deadlines. Home Rule municipalities may have a different filing schedule; check with your municipal clerk to verify disclosure report due dates. All municipal campaign  finance reports are filed with the municipal clerk’s office.

Frequent calendar

This calendar applies to (refer to Campaign and Political Finance Rule 17):

• Municipal candidates and candidate committees whose office appears on the November 4, 2025, election ballot.
• Issue committees whose issue attempts access to or appears on the November 4, 2025, election ballot.
• All other non-terminated municipal level committees (political and small donor committees, 527 political organizations, independent expenditure committees).

Municipalities with a population of 999 or less in major election years

Municipalities with a population of 1,000 or more in major election years

*Date affected by holiday or weekend.

Note: The above schedules do not account for run-off election reporting assignments.

Infrequent calendar

This calendar applies to (refer to Campaign and Political Finance Rule 17):

• Candidates and Candidate Committees whose candidate does not attempt access to or appear on the November 4, 2025, election ballot.
• Issue Committees whose issue does not attempt access to or appear on the November 4, 2025, election ballot.

Municipalities with a population of 999 or less in off election years

Municipalities With a population of 1,000 or more in off election years

Additional information

• All municipal campaign finance reports are filed with the municipal / town clerk’s office.
• Small-Scale Issue Committees (SSIC) are not required to file disclosure reports until they exceed $5,000 in activity. For more details, please review 1-45-108(1.5) and (2) of the Colorado Revised Statute (C.R.S.).
• Types of supplemental reports are large dollar and time-sensitive reports that may be required depending on your activity (please contact your municipal clerk for additional details):
  
  • 24-hour notice of major contributor report period starts 30 days (October 5, 2025) before the Biennial School Board Election and concludes the day before the election. Reports are due within 24 hours of receiving a major contribution. This applies to:
    
    • Candidate Committees whose candidate attempts access to or appears on the ballot, and
    • Issue Committees (whether they are or are not participating in the election).
      
      Note: Political Parties are not required to file this report during odd-calendar years.
      
      
  • 48-hour notice of independent expenditure report period starts 30 days before election and ends the day before each election. Independent expenditures of $1,000 or more, made during this time period requires you to file an additional report providing details of the independent expenditure(s). This applies only to Independent Expenditure Committees (IEC).

Please contact your municipal / town clerk’s office for more information on these two types of reports.

Questions?

Review the Colorado Campaign and Political Finance manual (PDF) or contact the municipal or town clerk's office.