How to Apostille a Guam Diploma / degree certificate (2026 Guide)
To apostille a Guam diploma / degree certificate, have a copy of the diploma notarized (the registrar's or a notary's signature), or obtain a registrar-certified copy where the state requires it. Then submit it to the Office of the Governor of Guam / Department of Administration for a territory-set fee. Mail processing takes about 10–20 business days; appointment. For a non-Hague destination, you also need US Department of State authentication and embassy legalization.
| Government fee | Confirm with the authority |
|---|---|
| Where to send it | Office of the Governor of Guam / Department of Administration |
| Required copy | Have a copy of the diploma notarized (the registrar's or a notary's signature), or obtain a registrar-certified copy where the state requires it. |
| Mail time | 10–20 business days |
| Counter | appointment |
| County pre-cert | Not required for this document |
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Step 1 — Get the right copy
Have a copy of the diploma notarized (the registrar's or a notary's signature), or obtain a registrar-certified copy where the state requires it. In Guam, guam vital records come from the Office of Vital Statistics, Department of Public Health and Social Services.
Step 2 — Submit to the Office of the Governor of Guam / Department of Administration
Include a signed cover sheet naming the destination country, payment payable to the authority above, and a prepaid return envelope. Confirm exact requirements on the official page linked in sources. Pay a territory-set fee by check or money order. Verify the current fee and process with the Office of the Governor before relying on this page.
Step 3 — Check the destination country
If your document is going to a Hague Apostille Convention member, the apostille is the last step. If the destination is not a member, you continue to the U.S. Department of State — Office of Authentications for authentication and then to that country's embassy for legalization. Confirm with theCountry Checker.
Common rejection reasons
- The notary certified the copy but the school seal is missing where required
- The state requires the registrar's signature, not a self-notarized copy
Who typically needs this
Work and skilled-migration visas.
Teaching English abroad (TEFL/TESOL placements).
Foreign professional licensing.
Frequently asked questions
＋How much does it cost to apostille a diploma / degree certificate in Guam?
Guam sets the fee through the Office of the Governor of Guam / Department of Administration; confirm it on the official page. You also pay for the certified copy and return shipping.
＋Can I apostille a photocopy of my diploma / degree certificate?
No. Guam apostilles the certified or properly notarized document, not a plain photocopy. The notary certified the copy but the school seal is missing where required
＋How long does it take?
Mail processing in Guam runs about 10–20 business days. A counter option (appointment) can be faster. A non-Hague destination adds the federal and embassy steps on top.
＋Who usually needs a diploma / degree certificate apostille?
People who work and skilled-migration visas or need it for teaching english abroad (tefl/tesol placements). The apostille lets a foreign authority accept your Guam diploma / degree certificate.
Other Guam documents
Sources
Reviewed by Billy Reiner, Editor
Last verified: July 13, 2026 against the Office of the Governor of Guam / Department of Administration and the HCCH status table(official page). See how we verify and how often on ourmethodology page.
This is informational, not legal advice. The receiving authority sets the final requirements — confirm with them and the office named above before you send anything.