Colorado Guide to Adult Name Changes (JDF 432)
Colorado Judicial BranchLegal name changeForm JDF 432Free downloadLast verified November 10, 2026
Court instructions for an adult legal name change in Colorado: fingerprints, criminal history checks, the petition, publication and fees. The case is filed with the County Court or District Court in the county where the adult lives, not with the vital records office.
Who can use this form
- Adults who are at least 18 years old.
- The petition is filed in the county where the adult lives.
- A person with a prior felony uses the JDF 385 name change instructions instead.
- This process is not needed to change only a last name after a marriage or civil union.
What to send with it
- JDF 433 Petition, with the CBI and FBI fingerprint-based criminal history checks dated within 90 days before filing.
- Certified copies of any criminal dispositions not shown on the reports.
- JDF 427 Public Notice and JDF 426 Order for Publication (case caption only).
- JDF 448 Final Decree (case caption only).
- The filing fee, or fee waiver forms JDF 205 and JDF 206, or JDF 209 for people who receive certain public benefits.
Where to send it
- Mail to
- See the form for where to file it.
- State fee
- Filing fee: $98 in County Court, $268 in District Court. Certified copy: $20.
- Typical processing
- Not provided
- Issued by
- Colorado Judicial Branch
- Form revision
- R: March 9, 2026
- Source
- Official government page