# 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.

## Details

- Address: Denver, Colorado, United States
- Website: [www.sos.state.co.us/pubs/apostilles/general.html](<https://www.sos.state.co.us/pubs/apostilles/general.html>)
- 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.

## Source

From [HCCH Apostille Section: status table and authority records](https://www.hcch.net/en/instruments/conventions/status-table/?cid=41), license © HCCH 1951-2026. Plain facts restated (membership, office names and contact details); no open licence stated., checked 2026-10-07.

Last updated October 7, 2026.

## Links

- This apostille authority on the [web page](<https://apostilles.fyi/us/colorado/denver/colorado-secretary-of-state-authentications>)
- [State and regional apostille offices in Denver](<https://apostilles.fyi/us/colorado/denver/category/regional-apostille-offices.md>)
- [Apostille offices in Denver](<https://apostilles.fyi/us/colorado/denver/category/apostille-offices.md>)
- [More apostille authorities in Denver](<https://apostilles.fyi/us/colorado/denver.md>)

> **Not legal advice.** Apostille Finder lists the government offices that issue apostilles and what their official pages state. It is not legal advice, and rules, hours and fees change. Confirm every detail on the official page linked in each listing before you send a document. The source note on each record shows when we last checked it. To report a mistake, write to hello@apostilles.fyi.