A written notice from a sub or supplier to the property owner saying they're working on the project and intend to protect their right to get paid.
A notice to owner (NTO) is a document sent by a subcontractor, sub-subcontractor, or material supplier to the property owner and general contractor informing them that the sender is performing work or furnishing materials to the project and intends to preserve its lien rights. Many states require subcontractors below the first tier to serve an NTO within a statutory deadline (often 45 days from first furnishing) as a prerequisite to filing a valid mechanic's lien. The NTO alerts the owner so they can ensure funds reach lower-tier parties.
A lumber supplier delivers materials to a Florida residential project on March 1 and serves a notice to owner by April 14 (within 45 days) to protect its lien rights.
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