X Signature
An X signature is a mark used by someone unable to write their name on legal documents. Learn when it’s used in real estate contracts.
Definition
An X signature refers to the practice of signing a document with a simple ‘X’ mark when the signer cannot write their full name due to illiteracy, disability, or infirmity. In real estate transactions, an X signature is legally binding if properly witnessed, notarized, and accompanied by explanatory language indicating that the mark represents the signer’s signature. Witnesses or notaries may be required to attest that the person understood the document and voluntarily signed. This practice ensures accessibility to legal agreements for those unable to sign in the usual manner.
Why It Matters
Closing documents get signed by people recovering from strokes, by 90 year old sellers with tremors, by anyone who can no longer form a signature. A mark is legally valid, but only when the formalities hold: disinterested witnesses, the notary's mark certificate, the signer's name written beside the X by another hand. Get it wrong and the recorder rejects the deed, or an heir challenges the transfer years later.
Examples
An 88 year old seller in assisted living signs the deed with an X, witnessed by two staff members who have no interest in the sale, with the notary's certificate reciting exactly what happened.
A signer with advanced Parkinson's makes a mark on the deed of trust, and the escrow officer writes the signer's full name next to it, initialed by both witnesses.
A county recorder rejects a deed because one witness stood to inherit from the signer, and the document has to be re-executed the following week.
Tips
Line up two witnesses with no stake in the transaction, and confirm ahead of time that the notary handles mark signings, because not all of them will.
Where capacity may later be questioned, a durable power of attorney executed while the person is clearly competent is a cleaner path than a mark on closing day.
Verify the exact wording the mark certificate needs with the escrow officer and the recorder's office beforehand, since the language is prescribed and a rejected recording costs both fees and days.
Related Terms
Land Contract
A land contract (contract for deed) is seller financing where ownership transfers after full payment...
Deed
A deed is the legal document that transfers real property ownership. Discover types of deeds and ess...
Grant Deed
A grant deed conveys property ownership with limited warranties. Learn how grant deeds differ from w...
Ready to Use Your Real Estate Knowledge?
Now that you understand X Signature, let Wayber help you navigate your real estate journey. Our flat-fee service saves you thousands while providing expert guidance.