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Green Party of Canada head office mailing address

To mail a letter to Green Party of Canada, a federal political party, send it to the party's national office at Green Party of Canada, PO Box 997, Station B, Ottawa, ON K1P 5R1. The Green Party of Canada is a federal party founded in 1983 that centres environmental policy, social justice and grassroots democracy. It has elected members to the House of Commons and runs candidates nationwide. This is the party's publicly published head office — the right address for membership correspondence, policy feedback, and letters to the party. Add your return address if you'd like a reply, and confirm the address on the party's official site before anything time-sensitive.

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Mailing address

Verified September 2026

Green Party of Canada — national office

Green Party of Canada
PO Box 997, Station B
Ottawa ON  K1P 5R1

Membership correspondence, policy feedback, mailed donations, and letters to the party. This is the national/head office — not a local candidate's constituency office or riding association.

Mail a letter to the Green Party

No printer, envelope, or stamp — we print and mail it the next business day.

Sources

Addresses verified September 2026 against official sources. Always confirm on the official site before time-sensitive filings.

Key facts

  • This is Green Party of Canada's national head-office address, taken from the party's own official site.
  • Green Party of Canada is a federal political party founded in 1983.
  • The Green Party receives national mail through a PO box (Station B) rather than a street office, so couriers that require a physical street address can’t deliver here — send letter mail through Canada Post.
  • Address a specific team with an attention line (e.g. "Attention: Membership") so mail is routed internally.
  • Use it for letters, membership forms, and printed documents — not parcels or gifts.
  • PostPal prints your letter and mails it for you — no printer, envelope, stamps, or post office trip.

How to send your letter

  1. 1

    Decide who your letter is for

    A letter to the head office reaches the party generally. For a specific team — membership, the leader's office, or a policy area — add an attention line such as "Attention: Membership" so it's routed faster.

  2. 2

    Write your letter

    Keep it clear and factual, whether it's about policy, joining, or renewing. Include any membership number and your return address so the party can write back. The Green Party receives national mail through a PO box (Station B) rather than a street office, so couriers that require a physical street address can’t deliver here — send letter mail through Canada Post.

  3. 3

    Address it to the national office

    First line: Green Party of Canada. Then the street: PO Box 997, Station B. Then the city line: Ottawa ON K1P 5R1.

  4. 4

    Send it with PostPal

    Write or upload your letter to PostPal with the address above prefilled. We print it, add your return address, and mail it for you — no printer, envelope, stamps, or trip to the post office.

Common questions

What is Green Party of Canada's head office mailing address?

Green Party of Canada, PO Box 997, Station B, Ottawa, ON K1P 5R1. It's the party's publicly published national office — the right address for membership correspondence, policy feedback, and letters to the party. Confirm it on the Green Party's official site before anything time-sensitive.

Will an MP or the party leader read my letter?

Letters to a national party are opened and sorted by staff, who route them to the relevant team — so your letter is handled, but a personal reply from the leader or an MP isn't guaranteed. A concise letter with your return address and a clear ask gives you the best chance of a response.

Can I mail a membership form or a donation to the Green Party?

Often, yes — many parties accept mailed membership forms and cheque donations at the head office. The Green Party receives national mail through a PO box (Station B) rather than a street office, so couriers that require a physical street address can’t deliver here — send letter mail through Canada Post. Follow the instructions on the party's own join/donate page, and mark the envelope "Attention: Membership".

Is this a local candidate or riding association address?

No — this is Green Party of Canada's national head office. To reach a specific candidate, MP, or local riding association, contact that office directly; use the head office for party-wide correspondence.

How do I mail the Green Party a letter without a printer?

Write or upload your letter to PostPal with the address prefilled. We print it, add your return address, and mail it for you — no printer, stamps, or post office trip needed.

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