Pennsylvania's Notice of Commencement under 49 P.S. § 1501.5 is filed online through the State Construction Notices Directory for 'searchable projects' (generally $1.5M+). It triggers the 45-day Notice of Furnishing requirement for subcontractors and suppliers — a major protection for owners on large projects. Available for 'searchable projects' under Pennsylvania's State Construction Notices Directory — generally projects with a contract value of $1.5 million or more. The property owner (or the owner's agent or contractor) files the Notice of Commencement electronically through the State Construction Notices Directory. Before the start of physical work, and the project must be designated as a 'searchable project' on the State Construction Notices Directory at that time. Online through the Pennsylvania State Construction Notices Directory (https://www.scnd.pa.gov), not in county records.