# ServiceOntario — Windsor apostille counter

ServiceOntario — Windsor apostille counter is an apostille authority in Windsor, Ontario, Canada.

This ServiceOntario counter in Windsor takes Ontario apostille requests in person. See the official page for what to bring and the current fee.

## Details

- Address: 205-400 City Hall Square East, Windsor City Hall, Windsor, Ontario, N9A 7K6, Canada
- Phone: [+1 416 325 8416](<tel:+14163258416>)
- Website: [www.ontario.ca/page/authenticate-document-use-outside-canada](<https://www.ontario.ca/page/authenticate-document-use-outside-canada>)
- What this office covers: In-person Ontario apostille requests
- Walk-in counter: Yes
- Contact languages: English, French
- Source note: Ontario authenticate-a-document page. HCCH authority record and official page, checked 2026-10-07.

## Questions

### Where is ServiceOntario — Windsor apostille counter?

ServiceOntario — Windsor apostille counter is at 205-400 City Hall Square East, Windsor City Hall, Windsor, Ontario, N9A 7K6, Canada.

### How do I contact ServiceOntario — Windsor apostille counter?

To contact ServiceOntario — Windsor apostille counter, call +1 416 325 8416 or visit https://www.ontario.ca/page/authenticate-document-use-outside-canada.

### Should I post my original document to ServiceOntario — Windsor apostille counter?

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/ca/ontario/windsor/serviceontario-windsor-apostille-counter>)
- [State and regional apostille offices in Windsor](<https://apostilles.fyi/ca/ontario/windsor/category/regional-apostille-offices.md>)
- [Apostille offices in Windsor](<https://apostilles.fyi/ca/ontario/windsor/category/apostille-offices.md>)
- [More apostille authorities in Windsor](<https://apostilles.fyi/ca/ontario/windsor.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.