States › Colorado
Apostille in Colorado
Issued by Colorado Secretary of State.
Verified against the official source on 2026-11-02Fee per document$5.00
Processing timeMail: in order received · Expedited: under an hour
Where is your Colorado document going?
Pick the country to see whether it accepts the apostille or needs consular legalization.
Valid in
Mexico
How to apply
| Ways to apply | By mailWalk-inExpedited |
|---|---|
| Office | Colorado Secretary of State |
| Walk-in address | 1700 Broadway, Suite 550, Denver, CO 80290 |
| Payment accepted | check, money order |
| Notarization or prior certification | Original document must bear a Colorado notary's signature, a Colorado Vital Records certification, or a Colorado County Clerk certification. The office does not notarize. Original signatures required (no stamps or photocopies); all blanks filled in or crossed out; the notary statement must include state, county and date and must be in English even if the document is in another language. Out-of-state government documents can only be handled if a Colorado notary makes a certified copy. |
| Common documents | marriage licenses, school transcripts, Colorado birth certificates, powers of attorney, death certificates, adoption dossiers |
| Fee details | Fee schedule (coloradosos.gov/pubs/info_center/fees/notary.html) lists "Authentication, apostille, and magistracy - per document" at $5.00 (paper; online n/a). The apostille page says expedited service carries an additional fee but the amount is not stated on either page. |
| Processing time (official wording) | Mail: handled in order received, returned as soon as possible (page warns of "longer than normal wait times"). Walk-in drop-off: notified by email/phone when ready. Expedited (hand-deliver before 4:30 PM): "Generally, the expedited services can be completed in under an hour." No processing on weekends or holidays. |
| Phone | 303-894-2200 |
| Authentications@coloradosos.gov |
Source
https://coloradosos.gov/pubs/apostilles/general.html
Editor's note
Mailing address is not printed on the HTML page; it directs users to the address at the top of the request form PDF (NAUTH.pdf, not retrieved). Checks/money orders payable to "Colorado Secretary of State"; "We do not accept credit card payments for authentications." The email address is for optional pre-submission PDF review only, not for submitting requests. Expedited fee amount not found on official pages.