Md. Code, Real. Prop. § 3-202
Current with changes from the 2024 Legislative Session, chs. 2-121
If a grantee under an unrecorded deed is in possession of the land and his possession is inconsistent with the record title, his possession constitutes constructive notice of what an inquiry of the possessor would disclose as to the existence of the unrecorded deed.
Md. Code, RP § 3-202