If you have ever been told "this needs to be notarized," you are not alone in wondering why — or which documents actually require it. Notarization is how the state confirms that a signature is genuine: a commissioned notary verifies your identity, watches you sign, and applies an official seal. Here is a plain-language guide to the documents that most commonly need a notary in Arizona.
Powers of attorney
A power of attorney lets someone act on your behalf — for finances, healthcare, or a specific transaction. Because it hands real authority to another person, Arizona institutions almost always require it to be notarized. This is one of the most common documents we notarize, often for families helping an aging parent.
Wills, trusts, and estate documents
Trust certifications, living wills, and healthcare directives frequently call for notarization. While Arizona does not strictly require a will to be notarized, a notarized self-proving affidavit makes probate far smoother for your family later.
Real estate and property documents
Deeds, quitclaim deeds, and many title and escrow documents must be notarized before a county recorder will accept them. If you are buying, selling, or transferring property in Maricopa County, expect a notary to be part of the process.
Loan and mortgage documents
A home loan signing is the biggest notarization appointment most people ever have. Deeds of trust, affidavits, and signature forms throughout the package all need a notary — which is why title companies work with trained loan signing agents.
Affidavits and sworn statements
An affidavit is a written statement you swear is true. By definition, it must be signed in front of a notary, who administers the oath. Court filings, insurance claims, and name-change paperwork often include one.
Business and financial documents
Contracts, articles of incorporation, bank forms, and vendor agreements are often notarized to prevent disputes about who signed what. For businesses, a mobile notary who comes to your office keeps the workday moving.
School, travel, and family forms
Parental consent forms for minors traveling abroad, guardianship papers, and some school or medical authorization forms require a notarized signature from a parent or guardian.
What you need at your appointment
Bring the document (unsigned — you sign in front of the notary) and a valid government-issued photo ID such as a driver's license or passport. Every signer needs their own ID. In Arizona, the notarial act itself costs no more than $10 per signature; a mobile notary also charges a travel fee based on distance.
The easy way to get it done
PayneFree Mobile Notary comes to your home, office, hospital, or care facility anywhere in the Phoenix metro — evenings and weekends included. Tell us what documents you need notarized when you book, and we will arrive prepared. Call (602) 921-4091 or book online at paynefreenotary.com/book.