Certificate of Naturalization Apostille: The 2026 Guide (Original vs. Certified Copy — How to Choose)

Last updated: July 28, 2026 · Written by Aziz Bekishov, Founder of DC Mobile Notary™ — our team submits documents at the U.S. Department of State's Office of Authentications every Monday through Thursday.

Quick answer: A Certificate of Naturalization is a federal document, so only the U.S. Department of State's Office of Authentications in Washington, DC can apostille it — no state office can. You have two valid routes in 2026: submit your original certificate (fastest — the State Department accepts it, and you skip the USCIS appointment), or a free USCIS Certified True Copy (safest — your original never leaves your hands; appointment via 800-375-5283, usually 1–2 weeks out). Either way, submit with Form DS-4194 and $20; State Department processing takes 5+ weeks by mail or 9 business days via walk-in or a daily-submission service like ours.

‍

The 2026 Truth About Originals — Most Websites Have This Wrong

Search this topic and nearly every result tells you the same thing: "The State Department will reject your original Certificate of Naturalization. Only a Certified True Copy can be apostilled." Even USCIS's own older guidance points that way. Our previous version of this article said it too.

Here's what's actually true in 2026, from our team's daily submissions at the Office of Authentications: the State Department accepts original Certificates of Naturalization. If you hand one across the counter with Form DS-4194 and $20, they will process it. So you have two valid routes, and the right one depends on your situation:

Route A — Submit the original (fastest). You skip the USCIS Certified True Copy appointment entirely, which typically saves 1–2 weeks. If you're on a tight deadline — a visa appointment, a closing date abroad, a consulate cutoff — this is the route that gets you there. What to weigh: the apostille is physically attached to the document, and while your certificate is in transit and processing, it's out of your hands. If an original is ever lost or damaged, replacement through Form N-565 takes many months.

Route B — Submit a USCIS Certified True Copy (safest). USCIS certifies a photocopy of your certificate at a free in-person appointment, and the State Department treats that certified copy exactly the same as an original for apostille purposes. Your original never leaves your possession. The cost: the appointment usually takes 1–2 weeks to schedule, so this route adds time up front.

There's no wrong answer here — it's a straightforward trade between speed and caution, and only you know your deadline and your comfort level. When clients ask us, we lay out exactly this choice: in a rush, the original gets it done fastest; with time to spare, the certified copy means your proof of citizenship never takes the trip.

‍

What Is a Certificate of Naturalization, and Why Would You Apostille It?

A Certificate of Naturalization (Form N-550) is issued by USCIS to people who become U.S. citizens through naturalization. Foreign governments commonly require an apostilled copy for:

• Dual citizenship applications — proving your U.S. status to your country of origin
• Retaining or renouncing citizenship in your birth country
• Buying property abroad — many countries require authenticated proof of nationality
• Foreign marriage registration
• Inheritance, estate, and legal matters overseas
• Long-term residency or retirement visas

Because USCIS is a federal agency, your certificate is a federal document — your state's Secretary of State cannot apostille it, no matter where your naturalization ceremony took place. Have a different federal document — an FBI background check, IRS letter, or NARA record? See our Federal Apostille Hub.

‍

Step 1 (Route B): Get a Certified True Copy from USCIS (Free)

Taking Route A with your original? Skip this step and go straight to Step 2.

USCIS is the only authority that can certify a copy of your certificate — not a notary, not a copy shop, not an attorney. A notarized photocopy will be rejected. Here's the process, per the official USCIS guidance on Certified True Copies:

1. Call the USCIS Contact Center at 800-375-5283 and request an in-person appointment for a Certified True Copy. Tell the automated system and the representative exactly those words — "Certified True Copy." (USCIS uses this term; the State Department calls the same thing "authentication.")
2. Wait for the callback. USCIS typically calls back within several days to schedule your appointment at your local field office. Appointments generally land 1–2 weeks out, depending on your office's availability.
3. Bring to your appointment: your original Certificate of Naturalization, a clear photocopy of it, and government photo ID (driver's license, state ID, or passport).
4. Walk out with your Certified True Copy the same visit. The officer verifies your identity and citizenship status, certifies your photocopy, and returns everything to you. USCIS does not mail, email, or forward anything — and does not accept mail-in or electronic requests for this.

Requesting for a deceased family member? Bring proof of your relationship (birth or marriage certificate) and the death certificate. This comes up in estate and inheritance matters abroad.

Lost your certificate entirely? You must first apply for a replacement with Form N-565 — and because that can take many months, start immediately if you know international paperwork is coming.

‍

Step 2: Apostille Your Document at the U.S. Department of State

The routes and current timelines are the same as for any federal document:

• Mail-in (5+ weeks from receipt): completed Form DS-4194 with the country of use in Section 4, $20 per document by check or money order to the U.S. Department of State, and a prepaid UPS or USPS return envelope (FedEx not accepted). Mail to: U.S. Department of State, Office of Authentications, 44132 Mercure Cir., PO Box 1206, Sterling, VA 20166-1206.
• Walk-in drop-off in Washington, DC (currently 9 business days): 600 19th Street NW, 7:30–9:00 a.m., Monday–Thursday only. For the full walk-in method — including why processing went from 7 to 9 business days and what the official website doesn't tell you — see our FBI Background Check Apostille: The Ultimate 2026 Guide; the drop-off process is identical for any federal document.
• Full service with DC Mobile Notary™ (9 business days, nationwide): mail us your original or your Certified True Copy — whichever route you've chosen — and we hand-deliver it during the walk-in window, pick up the apostilled document, and ship it to you anywhere in the U.S. or worldwide with tracking. If you send the original, we handle it with signature-required, fully tracked shipping in both directions. Start your order · +1 (202) 247-0837 · support@dcmobilenotary.com

One warning that applies to every route: the Office of Authentications does not notify you if something's wrong. A problem submission simply comes back unprocessed after the full wait. Before you send anything, use our free Pre-Check — upload your document and our team confirms within 24 hours whether it will pass, free, whether or not you ever become a client.

‍

Going to a Non-Hague Country?

Apostilles work in the 120+ members of the Hague Apostille Convention — check the current list of Hague Apostille Convention members. For non-members (UAE, Qatar, Kuwait, Vietnam, Thailand, China), your certified copy needs an authentication certificate plus embassy legalization at that country's embassy in Washington, DC. Same first step either way: the USCIS Certified True Copy.

‍

Frequently Asked Questions

Can the original Certificate of Naturalization be apostilled?

Yes — the U.S. Department of State accepts original certificates, contrary to what most websites still say. Submitting the original is the fastest route because it skips the USCIS appointment. The alternative — a free USCIS Certified True Copy — takes 1–2 weeks longer up front but means your original never leaves your hands. Both are fully valid; choose based on your deadline and comfort level.

Can a notary certify a copy of my Certificate of Naturalization for apostille?

No. Only USCIS can certify a copy of a naturalization certificate. Notarized photocopies are rejected by the Office of Authentications.

How do I get a Certified True Copy from USCIS?

Call 800-375-5283 and request an in-person appointment for a "Certified True Copy." Bring your original certificate, a photocopy, and photo ID. The officer certifies your copy during the same visit, free of charge. USCIS does not accept mail-in or electronic requests.

How long does the whole process take in 2026?

Submitting the original: 9 business days via walk-in or a daily-submission service like DC Mobile Notary™ (5+ weeks by mail). Going the certified copy route adds the USCIS appointment up front — typically 1–2 weeks to schedule, with the copy issued the same day at the visit — before the same State Department timelines apply.

How much does it cost?

The USCIS Certified True Copy is free. The State Department apostille is $20 per document. Professional services add a fee for document review, hand-delivery, and return shipping.

Can my state apostille my Certificate of Naturalization?

No. USCIS is a federal agency, so the certificate is a federal document — only the U.S. Department of State's Office of Authentications in Washington, DC can apostille it, regardless of where your naturalization ceremony took place.

What if my Certificate of Naturalization is lost or damaged?

Apply for a replacement with USCIS Form N-565 before anything else. Replacement can take many months, so start immediately if international paperwork is on the horizon.

Can I get an apostille for a deceased family member's certificate?

Yes. At the USCIS appointment, bring proof of your relationship (such as a birth or marriage certificate) and the death certificate, along with the original certificate if available. This is common in overseas estate and inheritance matters.

Do I need an apostille or embassy legalization?

Hague Apostille Convention members: apostille. Non-members (UAE, Qatar, China, Vietnam, and others): authentication certificate plus embassy legalization at that country's embassy in Washington, DC. Both start with the USCIS Certified True Copy.

‍

A note on why we publish all of this

Everything above is the complete do-it-yourself process — the phone numbers, the forms, the addresses, all linked to official sources. If you have the time, you don't need us. We publish it anyway because this is the document people are most afraid of losing, and the internet is full of outdated advice about it. If you want a second pair of eyes before you send anything, our Pre-Check is free, and our phone line answers questions whether or not you ever become a client.

Aziz Bekishov is the founder of DC Mobile Notary™, a Washington, DC-based document authentication firm serving clients nationwide since 2016. With 10+ years of experience and over 100,000 clients served, Aziz and his team submit documents at the U.S. Department of State's Office of Authentications every Monday through Thursday