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When Do You Need a Notary? A Complete Guide to Notarization

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Most people encounter notarization at some point in their lives, whether they are buying a home, setting up a power of attorney, or handling legal paperwork. But many are unsure about exactly when a notary is required and when it is optional. This guide covers the most common situations where you will need a notary public.

What Does a Notary Do?

A notary public is a state-commissioned official who serves as an impartial witness to the signing of important documents. Their primary role is to verify the identity of the person signing, confirm that the signer is acting willingly, and deter fraud. When a notary applies their seal and signature, it adds a layer of legal credibility to the document.

It is important to understand that a notary does not provide legal advice, draft documents, or judge the contents of what you are signing. They are solely responsible for verifying identity and witnessing signatures.

Real Estate Transactions

Real estate is one of the most common areas where notarization is required. Nearly every document involved in buying, selling, or refinancing a home needs to be notarized. This includes deeds, mortgage documents, closing disclosures, and transfer documents. Loan signing agents are notaries who specialize in handling these transactions, often traveling to your home or office to complete the signing.

If you are refinancing your mortgage, expect to sign and notarize multiple documents during the closing process. Title companies and lenders typically arrange for a notary or loan signing agent to be present.

Many legal documents require notarization to be considered valid. Powers of attorney, which allow someone else to act on your behalf in financial or medical matters, almost always need to be notarized. Living wills, advance healthcare directives, and certain types of trusts also require notarization in most states.

Affidavits and sworn statements used in court proceedings must be notarized. When you sign an affidavit, you are swearing under oath that the contents are true, and the notary administers that oath and witnesses your signature.

Financial and Business Documents

Banks and financial institutions frequently require notarized documents. Loan applications, promissory notes, and certain account changes may need a notary’s seal. Many banks offer free notary services to their account holders.

Business owners encounter notarization when forming LLCs or corporations, signing contracts, or executing partnership agreements. Articles of incorporation, operating agreements, and commercial leases often require notarized signatures from all parties involved.

Government and Official Documents

Certain government forms and applications require notarization. Immigration documents, including affidavits of support and various USCIS forms, frequently need to be notarized. Passport applications for minors require a notarized consent form from non-present parents.

Vehicle title transfers, name change petitions, and some tax-related documents may also require notarization depending on your state’s requirements.

Some documents do not legally require notarization but benefit from it. Contracts between private parties, for example, are generally enforceable without notarization, but having them notarized can make them harder to challenge in court. Similarly, bills of sale for personal property do not always need notarization, but a notarized document provides stronger proof of the transaction.

How to Prepare for Your Notary Appointment

To ensure a smooth notary appointment, bring a valid government-issued photo ID such as a driver’s license or passport. The document should be unsigned — the notary needs to witness you signing it. Make sure all blanks in the document are filled in, as notaries cannot notarize incomplete documents. If other signers are required, all parties generally need to be present at the same time.

Finding a Notary

You can find a notary at banks, UPS stores, law offices, real estate offices, and through mobile notary services. Many states now also allow remote online notarization, where the notary verifies your identity and witnesses your signature via video call. Use FindNotary.io to search for active notaries in your area by city and state.


Need a notary for any of these situations? Find a mobile notary who comes to your location, visit a notary at a bank for a quick appointment, or explore remote online notarization to get it done from home.

Related guides: How much does a notary cost? · Notary fees per signature by state