A notarized document is one that a notary public has witnessed and certified as authentic
When a document is notarized, a notary public has watched you sign it in person, checked your government-issued ID to confirm you are who you say you are, and then added their official stamp, signature, and seal to the page. The notary is not verifying that the contents of the document are true or that you understand what you are signing — they are only confirming that you signed it yourself, that you were present when you did, and that you appeared willing to sign.
Notarization creates an official record that the signature is genuine. Many institutions — banks, courts, government agencies, and title companies — require notarized documents because a notary's involvement makes it much harder for someone to forge a signature or claim later that they never signed something. The notary's seal and signature are difficult to fake, and notaries keep records of every document they notarize, which can be checked if there is ever a dispute.
Key Takeaways
- A notary watches you sign a document in person, checks your ID, and stamps the page to confirm the signature is genuine.
- Notarization does not mean the document is legal or that its contents are true — it only means the signature is real.
- Banks, courts, and government agencies often require notarized documents because the notary's seal makes forgery much harder.
- You must be present in person with a government-issued ID; notaries cannot notarize documents you sign remotely or documents already signed.
What a Notary Actually Checks
A notary's job is narrow and specific. They verify three things: that you are the person named in the document (by checking your ID), that you are signing of your own free will (by watching you sign), and that you appear to understand what you are doing. They do not read the document to see if it is accurate, do not check whether you have the legal right to sign it, and do not verify that the other party to the agreement exists or is trustworthy.
If you ask a notary to notarize a power of attorney, for example, the notary will confirm that you signed it yourself and that you seemed willing — but they will not check whether you actually have the authority to grant that power, whether the person receiving it is legitimate, or whether the terms are fair. That verification is your responsibility and your lawyer's, if you have one.
Why Documents Get Notarized
Documents are notarized when the person or institution receiving them needs confidence that the signature is real and that you actually signed it. Real estate transactions almost always require notarized deeds and mortgage documents because the stakes are high and the documents will be recorded in a public registry. Banks notarize loan documents, powers of attorney, and affidavits for the same reason — they need proof that you, not someone impersonating you, agreed to the terms.
Courts require notarized affidavits (sworn statements) because a notary's involvement creates a legal consequence for lying — if you swear to something false in front of a notary, you can be charged with perjury. Government agencies notarize documents like passport applications and vehicle title transfers to prevent identity theft and fraud. Some states require notarization for wills, though not all do.
Private parties sometimes notarize documents even when not legally required — for example, a landlord might ask for a notarized statement from a tenant about damage to the apartment, or a parent might notarize a letter giving another adult permission to pick up their child from school. In these cases, the notarization adds weight to the document if it is ever disputed.
What Happens During the Notarization Process
You bring the unsigned document and a government-issued ID (driver's license, passport, or state ID card) to a notary. The notary checks your ID to confirm your identity, asks you to sign the document in front of them, and watches you do it. They may ask you questions like "Do you understand what this document says?" or "Are you signing this of your own free will?" — these are standard questions meant to confirm you are not being forced or deceived.
Once you have signed, the notary adds their official seal (a stamp or embosser that leaves an impression on the page), writes the date, and signs the document themselves. Many notaries also write a short statement at the bottom or on a separate page — called a notarial certificate — that describes what they witnessed. This certificate includes their notary number, the state where they are commissioned, and sometimes the expiration date of their notary commission.
The entire process usually takes five to ten minutes. You will typically pay a small fee — notary fees vary by state and by what is being notarized, but are usually between five and twenty dollars per signature. Some banks and credit unions offer notary services to customers for free.
Common Mistakes That Make Notarization Invalid
A notarized document can be rejected if the notary made a mistake or if you did not follow the rules. The most common problem is signing the document before you arrive at the notary's office — notaries cannot notarize a document you have already signed, because they did not witness the signature. You must bring the document unsigned and sign it in front of the notary.
Another frequent issue is using an expired notary commission. Notaries are commissioned for a set period (usually four or five years) and must renew their commission to stay active. If a notary's commission has expired, any documents they notarized after the expiration date are not valid. Banks and government agencies check the notary's commission date on the seal, so an expired notary's work will be caught.
Missing or illegible information also causes problems. The notary must write the date clearly, sign their name legibly, and include their notary number or commission information. If the seal is smudged or the notary's signature is unreadable, the receiving institution may reject the document and ask you to have it notarized again.
Where to Find a Notary
Notaries are available in most towns and cities. Banks and credit unions often have notaries on staff and may notarize documents for free if you are a customer. Law offices, title companies, and real estate agencies employ notaries. UPS stores, FedEx Office locations, and some pharmacy chains (like Staples) offer notary services for a fee. You can search online for "notary near me" or call your bank to ask if they have one available.
Some notaries work independently and advertise their services locally or online. If you use an independent notary, confirm in advance that they are currently commissioned and ask about their fee. A few states allow remote notarization — where you sign the document on a video call with a notary — but this is not yet available everywhere, and the rules are still changing. If you need a document notarized quickly, calling ahead to confirm the notary is available and to ask what ID they accept will save you a trip.
Notarized Documents and Legal Weight
Notarization does not make a document legally binding or enforceable on its own. A notarized contract is not automatically more valid than an unnotarized one if the contract itself is poorly written or if one party did not actually agree to the terms. What notarization does is create strong evidence that you signed the document and that you were present and willing when you did — which makes it much harder for someone to deny later that they signed it or to claim the signature was forged.
In court, a notarized document is treated as more credible than an unnotarized one because the notary's involvement creates a paper trail. If someone claims you never signed a notarized power of attorney, the court can contact the notary and check their records. This makes notarization valuable in disputes over contracts, wills, property transfers, and other high-stakes agreements.
Frequently Asked Questions
Can a notary notarize a document I already signed?
No. The notary must watch you sign the document in front of them. If you have already signed it, they cannot notarize it. You will need to get a blank copy and sign it again in the notary's presence.
What ID do I need to bring to get something notarized?
You need a current government-issued photo ID — a driver's license, passport, state ID card, or military ID. The notary will check that the name on the ID matches the name on the document you are signing and that the ID has not expired.
Does notarization mean the document is legal?
No. Notarization only confirms that you signed the document yourself and that you were present and willing. It does not verify that the document is legal, that its contents are true, or that you have the right to sign it. A lawyer can tell you whether a document is legally valid.
Can I get a document notarized online or by mail?
Most states do not allow this yet. A few states permit remote notarization through video call, but you must check your state's rules. Traditional notarization requires you to be present in person with your ID.
What if the notary made a mistake on the seal or signature?
If the notary's work is illegible or incomplete, the receiving institution will likely reject it. You will need to have the document notarized again by the same notary or a different one. Ask the notary to correct the mistake before you leave.