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Colorado Secretary of State — Authentications

Colorado Secretary of State — Authentications is an apostille authority in Denver, Colorado, United States.

The Colorado Secretary of State issues apostilles for Colorado public documents for use abroad. See the official page for what to send and the current fee.

Address
Denver, Colorado, United States
What this office covers
Apostilles for Colorado public documents
Source note
Colorado Secretary of State apostille page. Official page, checked 2026-10-07.

Questions

Where is Colorado Secretary of State — Authentications?

Colorado Secretary of State — Authentications is at Denver, Colorado, United States.

How do I contact Colorado Secretary of State — Authentications?

To contact Colorado Secretary of State — Authentications, visit https://www.sos.state.co.us/pubs/apostilles/general.html.

Should I post my original document to Colorado Secretary of State — Authentications?

Read the official page linked in the listing first. Many offices take documents by post, some see walk-ins, and a few take requests online. Never send an original you cannot replace until the office confirms what it needs.

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