Colorado Affidavit of Common Law Marriage (Sample)
Official state formMarriage licenseFree downloadLast verified November 10, 2026
Sample affidavit in which two people attest that they are married to each other by common law. A notary must witness the signatures. If the parties wish, it may be filed with the county Clerk and Recorder as a document, not as a marriage license.
Who can use this form
- Both parties sign the affidavit.
- Both must be at least 18, or between 16 and 18 with proper parental or guardian consent.
- There must be no legal impediment to the marriage, such as a prior marriage that was not ended by death or divorce.
What to send with it
- The affidavit signed by both parties, with their printed names and addresses.
- A Notary Public must witness the signatures and note and seal the affidavit.
- Filing is optional. If the parties wish, the affidavit may be filed with the Office of the Clerk and Recorder in the county of residence.
Where to send it
- Mail to
- See the form for where to file it.
- State fee
- Not provided
- Typical processing
- Not provided
- Source
- Official government page