So What Does a Notary Stamp Actually Look Like? 

Understanding what a valid notary stamp looks like isn't just valuable knowledge, it's essential protection. Whether you're reviewing a legal document, verifying an affidavit, or ensuring a contract is properly executed, recognizing an authentic notary stamp helps you avoid fraud and confirms your documents hold legal weight.

Notary stamps serve as official proof that a notary public witnessed a signature and verified the signer's identity. But not all stamps look the same. State requirements vary and formats differ; knowing what to look for ensures you're working with legitimate, enforceable documents.

This guide breaks down everything you need to know about notary stamps: what they look like, what information they must contain, how they differ from notary seals, and what electronic notary stamps mean for modern business.

What is a notary stamp?

A notary stamp is an official mark applied by a notary public to authenticate documents and verify that proper notarization procedures were followed. Stamp use serves as visual proof that a notary witnessed a signature, confirmed the signer's identity, and attested to the signing process.

The stamp itself is typically a self-inking rubber device that leaves an impression on paper containing specific information about the notary and their commission. This stamp impression creates an official record, allowing anyone reviewing the document to verify the authenticity of the notarization.

What does a notary stamp & seal look like?

The terms "notary stamp" and "notary seal" are often used interchangeably, but they're actually two different tools that serve the same purpose. 

Some states require stamps, some require seals, and others allow notaries to choose either option. A few states require bothan inked stamp for visibility and an embossed seal for authenticity. For example, California requires an inked stamp but also allows notaries to use an embossed seal as an additional deterrent to photocopying.

Notary stamp

A pre-inked rubber stamp that leaves a rectangular or circular impression on paper. It's quick, easy to use, and produces a clear, readable mark. Most modern notaries use stamps because they're convenient and create legible impressions that photocopy and scan well.

Notary seal

An embossing device that creates a raised impression by crimping or pressing the paper. Traditional notary seals don't use ink,they create a physical indentation you can feel. While official-looking, embossed seals can be difficult to read and may not show up clearly in photocopies or scans.

The terminology confusion exists because both tools serve the same authentication function. When people ask "what does a notary stamp look like," they're usually asking about either tool, even though technically they're referring to the inked stamp specifically.

The key elements of a notary stamp

All notary stamps contain specific required information, though the exact formatting and layout vary by state. Understanding these elements helps you verify that a notarized document meets legal requirements. At minimum, a valid notary stamp displays the notary's full name, their state of commission, a commission number or identification, and the expiration date of their commission.

Required information on a notary stamp

• Notary's name: The full legal name of the notary public as it appears on their commission certificate. This identifies who performed the notarization.

• State of commission: The state that granted the notary their commission and authority. Notaries can only notarize documents in the state where they're commissioned.

• Commission number: A unique identifier assigned by the state to track the notary's authority. This number allows verification through state records.

• Commission expiration date: The date when the notary's current commission expires. A stamp with an expired commission date indicates invalid notarization.

• Optional elements: Depending on state requirements, stamps may also include the county where the notary is commissioned, the words "Notary Public," or other designations. Some states require specific wording or formatting.

Common shapes and formats of notary stamps

• Rectangular stamps are the most common format. They typically measure about 1 inch by 2.5 inches and provide ample space for all required information in an easy-to-read layout.

• Circular or round stamps are also popular, usually about 1.5 to 2 inches in diameter. These stamps arrange information around the perimeter with the notary's name or commission number in the center.

• Size requirements vary by state. Some states specify exact dimensions, while others simply require that the stamp be clear and legible.

• Ink color is typically black for the best visibility and reproduction quality. Some states allow blue or purple ink, but black remains standard because it photocopies and scans most clearly. Red ink is generally prohibited because it can be difficult to reproduce.

State-specific variations

While all notary stamps share common elements, the specific requirements differ significantly by state. Here's how three major states approach notary stamps:

• California requires a rectangular stamp no larger than 1 inch by 2.5 inches with specific information including the notary's name, county, commission number, expiration date, and a border. The state seal must also be included.

• Texas allows rectangular or circular stamps and requires the notary's name, the phrase "Notary Public, State of Texas," commission expiration date, and the state seal. Texas doesn't require commission numbers on stamps.

• Florida requires a circular stamp at least 1 inch in diameter containing the notary's name, the phrase "Notary Public - State of Florida," commission number, and expiration date.

You can find more information about each U.S. state’s notary requirements at the American Society of Notaries

These variations mean a notary stamp from one state may look quite different from another, but all valid stamps contain the core identifying information required for authentication.

Electronic notary stamps in the digital age

As business moves online, notarization has evolved beyond physical stamps on paper documents. Electronic notarization allows notaries to perform their duties remotely while maintaining the same legal validity and authentication standards.

How electronic notarization works

Electronic notaries use digital tools to verify signer identity (often through video conferencing and ID verification), witness signatures on electronic documents, and apply digital notary stamps. The entire process takes place online withno physical presence required.

What digital notary stamps look like

Electronic notary stamps appear as digital images containing the same information as traditional stamps: the notary's name, state, commission number, and expiration date. These digital stamps are embedded directly into electronic documents like PDFs, creating a permanent record that can't be removed without detection.

Digital stamps often include additional security features like tamper-evident seals and cryptographic signatures that provide even stronger authentication than physical stamps.

The legal validity of online notary stamps

Electronic notarization is legally recognized in all 50 states, though specific requirements vary. The E-Sign Act and state laws like the Uniform Electronic Transactions Act establish that electronic signatures and notarizations carry the same legal weight as traditional paper-based processes.

Why do notary stamps exist?

Notary stamps prevent fraud by creating an official record of who performed the notarization and when. They provide accountability—if questions arise about a document's validity, the stamp identifies the notary responsible and provides details about their authority to perform notarial acts. 

This accountability isn't just theoretical: notaries who fail to follow proper procedures or authenticate fraudulent documents can face serious legal consequences, including.

You'll find notary stamps on documents that require identity verification and witnessed signatures. Common examples include:

• Real estate deeds

• Powers of attorney

• Affidavits

• Loan documents

• Business contracts

Any document requiring notarization will bear either a notary stamp or seal (or both, depending on state requirements).

Need a template for a specific document? Explore Docusign’s template library for free to use contract, form, and agreement outlines.

The benefits of electronic notarization:

• Speed: Complete notarizations in minutes instead of days

• Convenience: No travel required—sign from anywhere with internet access

• Security: Digital audit trails, encrypted documents, and tamper-evident technology

• Cost savings: Eliminate printing, scanning, and shipping expenses

• Better records: Automatic storage and retrieval of notarized documents

Docusign Notary provides secure electronic notarization that meets state and federal requirements while streamlining the entire process. Whether you need to notarize one document or manage high volumes of notarizations across your organization, electronic options offer the same legal protection with significantly improved efficiency.

FAQs

Can you notarize a document without a stamp or notary seal?

In most cases, no. A notary stamp or seal is required for a notarization to be considered valid.

While requirements vary by state, nearly all U.S. jurisdictions require notaries to apply either an inked stamp, an embossed seal, or both to officially authenticate a notarized document. The stamp or seal serves as visual proof that the notary verified the signer’s identity and followed proper notarization procedures.

Does a notarized document also require a notary's signature?

Yes. A notarized document must include the notary’s signature in addition to the stamp or seal.

The stamp alone identifies the notary and their commission details, but the notary’s handwritten or electronic signature confirms that they personally performed the notarization. Together, the signature and stamp create a complete and legally recognized notarial act.

Can you notarize a document online?

Yes. Online notarization, also known as electronic or remote online notarization (RON) ,is legal in all 50 states, though specific rules vary by state.

With online notarization, the signer and notary meet remotely using secure audio-video technology. The notary verifies the signer’s identity, witnesses the signature electronically, and applies a digital notary stamp along with an electronic signature. The notarized document is then sealed with tamper-evident protections and stored with a detailed audit trail.