States › South Dakota
Apostille in South Dakota
Issued by South Dakota Secretary of State, Apostille Office.
Verified against the official source on 2026-11-02Fee per document$25.00
Processing timeMail: 2 business days · Drop-off: 1–2 business days
Where is your South Dakota document going?
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Valid in
Mexico
How to apply
| Ways to apply | By mailWalk-inExpedited |
|---|---|
| Office | South Dakota Secretary of State, Apostille Office |
| Walk-in address | 500 East Capitol Avenue, Suite 112 (First Floor of the Capitol Building), Pierre, SD 57501 (drop-off/pick-up Monday-Friday 9:00 AM-4:00 PM; expedited by appointment only) |
| Mailing address | South Dakota Secretary of State, Attn: Apostille Office, 500 E. Capitol Ave., Pierre, SD 57501 |
| Payment accepted | check (US bank) payable to Secretary of State, money order (US bank), cash, credit/debit card (MasterCard, Visa, Discover) |
| Notarization or prior certification | All documents must have correct certification and/or notarization before submitting; all seals and signatures must be originals. Birth, marriage, death certificates, divorce decrees and court documents must be certified by the issuing agency (cannot be notary 'true copies'). Other documents must be certified and notarized by a South Dakota Notary Public. Documents issued by other states or the federal government cannot be authenticated by this office. |
| Common documents | birth certificates, marriage certificates, death certificates, divorce decrees, judgments, official business documents filed with the Secretary of State, affidavits, agreements, copies of U.S. passports, diplomas, adoption home studies, income verification, powers of attorney, transcripts, corporate documents (bylaws, articles of incorporation), patent applications and trademarks |
| Fee details | $25.00 per document. Expedited service: an additional $50 may be added to the processing fee (expedited appointments limited to 10 documents per request). |
| Processing time (official wording) | Mail: processed within 2 business days from the date received. Drop-off: most orders completed within 1-2 business days. Expedited appointment: staff will try to process documents while you wait, but it may take longer. |
| Phone | (605) 773-5008 |
| [email protected] |
Source
https://sdsos.gov/general-services/apostilles-authentications.aspx
Editor's note
Email address was obscured on the main page; taken from the official request form PDF (https://sdsos.gov/docs/ApostilleAuthenticationRequestForm.pdf). 'Walk-ins are not accepted' applies to expedited appointments; regular drop-off is allowed. No online submission option listed. Office cannot send documents via DHL.