Apply in person
Apply for a civil union license in person by 4:15 p.m. at a county clerk’s office (application process takes approximately 20 minutes, no appointment needed):
- Boulder: 1750 33rd Street
- Longmont: 529 Coffman Street
- Lafayette: 1376 Miners Drive
Get started by submitting your civil union license application information online. View our guide for help filing the application online.
Both applicants must provide the following to obtain a civil union license:
- ID (Please bring one of the following):
- Current U.S. driver’s license
- Original or certified copy of birth certificate
- Social Security number (if a foreign applicant doesn’t have a Social Security number they must complete a Sworn Statement Affidavit in our office)
- $30 fee for the license (cash, check and credit card accepted; minimal fee for using a credit card of $0.75 + 2.26% of the total)
If an applicant cannot appear in person, the other applicant must apply in person and provide the following:
- Absentee application completed, signed and notarized
- Copy of the absent party’s ID used for notarizing the affidavit
If either applicant has previously been married or has previously been party to a civil union, provide the following in addition to the items listed above:
- Name of previous spouse or partner
- Date of divorce or dissolution (month/day/year)
- Place of divorce or dissolution (city and state)
- Type of court for the divorce or dissolution
If either applicant is widowed, provide the following in addition to the items detailed above:
- Date of death (month/day/year)
- Place of death (city and state)
Applicants for a civil union license must be 18 years of age or older. If 18 years of age or older and under legal guardianship, applicants require consent from their guardians.
View the legal guardian consent form.
Civil unions are prohibited if an applicant is already married or in another civil union. Unions between the following are also prohibited:
- Ancestor and descendant
- Uncle and niece or uncle and nephew
- Aunt and nephew or aunt and niece
Civil Union License Details
- Civil union licenses must be used within 35 days from the date of issue, anywhere in Colorado
- Civil union licenses may be obtained in any county, regardless of where the ceremony will take place in Colorado
- Witnesses are not required
- Blood tests are not required
A civil union ceremony may be performed by the following:
- The couple themselves
- Judge or court magistrate
- Religious or tribal official authorized to perform a ceremony
If the couple chooses to perform the ceremony, they will complete the lower portion of the civil union license.
Find judges and magistrates who perform ceremonies in Boulder County.
Recording a Civil Union License
Licenses may be submitted by mail or in person at the Recording Division office for recording. If you bring the license in person it will be recorded at that time and returned to you. If you mail the license, it will be returned within two weeks from the time we received it. To record the license:
- Complete the civil union certificate’ portion of the license
- Signatures of witnesses are not required
- Bring or mail the license – 1750 33rd St., Suite 201, Boulder, CO 80301
Civil Union License Details
- A civil union license must be used within 35 days including the date of issue
- A civil union license may only be used in the state of Colorado
If a civil union license is not returned to the parties one month after the ceremony, contact the office. The Recording Division may not have received the license from the officiating party.