A mortgage deed is the document that creates a mortgage and grants an ownership interest (lien) to the lender (often a bank) until the loan is paid in full. A mortgage deed usually must include:

• the name of the mortgagor (the borrower);

• words of grant or conveyance in which the mortgagor (borrower) grants or conveys real property to the lender or mortgagee;

• the name of the mortgagee;

• a property description sufficient to identify the mortgaged real property;

• the mortgagor’s signature; and

• an acknowledgment in which a notary public signs and officially stamps the mortgage deed to verify the identity of the person signing the deed and for the mortgagor to declare or acknowledge to the notary that the mortgagor signed the deed willingly and voluntarily and was not coerced into signing it.

And in some states a deed must be delivered to be effective. Delivery of a deed generally includes:

• the grantor’s (mortgagor or borrower) intent to convey title to the property to the grantee (mortgagee or lender)—not just the physical handing over of the deed; and

• the grantee’s (mortgagee or lender) acceptance of the deed as an immediate conveyance of the title to the real property.

Laws vary from state to state and the legal requirements for a valid mortgage deed may be located in a state's court opinions (common law or case law) or in its statutes.

In Washington State, a mortgage deed is a legal document that secures a loan by using real property as collateral. The document must include the borrower's name, words of grant or conveyance, the lender's name, a sufficient property description, the borrower's signature, and notarization. The notary public's acknowledgment is crucial to verify the identity of the signing party and to confirm that the deed was signed willingly. Washington law also requires the intent of the borrower to convey the property title to the lender and the lender's acceptance of the deed for it to be considered delivered and effective. These requirements ensure that the mortgage deed is legally binding and enforceable. The specific legal requirements for a valid mortgage deed in Washington can be found in the state's statutes and are also shaped by common law or case law precedents.