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Where to mail your District of Columbia state tax return

Mailing your District of Columbia Form D-40 depends on your situation: Return with payment (tax due) goes to DC Office of Tax and Revenue, PO Box 96169, Washington, DC 20090-6169, while Return without payment (no money due or refund) goes to DC Office of Tax and Revenue, PO Box 96145, Washington, DC 20090-6145. Pick the address that matches your return below, sign and date the form, and mail it before the deadline.

Return with payment (tax due)

DC Office of Tax and Revenue
PO Box 96169
Washington, DC  20090-6169

Use this address for a paper Form D-40 where return with payment (tax due).

Verified September 2026otr.cfo.dc.gov

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Mail my District of Columbia tax return — $5

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Other mailing addresses

Return without payment (no money due or refund)

DC Office of Tax and Revenue
PO Box 96145
Washington, DC  20090-6145

Use this address for a paper Form D-40 where return without payment (no money due or refund).

Your name
Your return address

DC Office of Tax and RevenuePO Box 96169Washington, DC 20090-6169

Your letter, printed and mailed for you.

Key facts

  • District of Columbia splits paper Form D-40 returns by address: return with payment (tax due) vs. return without payment (no money due or refund) — mailing to the wrong one can delay processing.
  • Make checks or money orders payable to the "DC Office of Tax and Revenue".
  • A mailed return is generally considered filed on time if it is postmarked by the state filing deadline — sign and date it, since an unsigned return isn't considered filed.
  • PostPal prints your return and hands it to USPS the next business day for $5 — no printer, envelope, or trip to the post office.

How to send your letter

  1. 1

    Pick the address that matches your situation

    District of Columbia uses a different address depending on whether you're enclosing a payment: Return with payment (tax due); Return without payment (no money due or refund). Choose the one below that matches your return.

  2. 2

    Assemble and sign your return

    Attach any required schedules and withholding statements to your Form D-40. Sign and date it — an unsigned paper return isn't considered filed.

  3. 3

    Address the envelope exactly

    Use DC Office of Tax and Revenue at the address for your situation, shown above.

  4. 4

    Mail it before the deadline

    A USPS postmark by the filing deadline counts as on time. Upload your return to PostPal and we print, envelope, and mail it within one business day for $5, with a dated confirmation emailed to you.

Common questions

Where do I mail my District of Columbia state tax return?

It depends on whether you're enclosing a payment. For "return with payment (tax due)," mail it to DC Office of Tax and Revenue, PO Box 96169, Washington, DC 20090-6169. For "return without payment (no money due or refund)," mail it to DC Office of Tax and Revenue, PO Box 96145, Washington, DC 20090-6145.

Does it matter which District of Columbia address I use?

Yes. DC Office of Tax and Revenue routes paper returns by mail code, so sending a payment return to the no-payment address (or vice versa) can delay processing, even though the state and ZIP still get it to the right building.

What do I make my check payable to?

The "DC Office of Tax and Revenue". Write your Social Security number and the tax year on the check or money order.

Is a mailed District of Columbia return considered on time if it's postmarked by the deadline?

Generally yes — most states, including District of Columbia, treat a return as timely filed if it carries a USPS postmark on or before the filing deadline. Keep proof of mailing for your records; PostPal emails you a dated confirmation.

Can PostPal mail my District of Columbia tax return for me?

Yes. Upload your completed, signed Form D-40 and PostPal prints it and mails it to DC Office of Tax and Revenue, PO Box 96169, Washington, DC 20090-6169 (or your correct address, based on your situation) the next business day for $5, with a dated Confirmation of Mailing.

Sources

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

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