LienNow.com is a nationwide notice and mechanics lien processing service by MCPA. We are here to serve Oak Park, MI and the other surrounding cities. We specialize in the processing and recording of construction liens and notices, bond claims, bond notices, state and federal bond notices, and notices of commencement for the construction industry. For nearly 20 years, the Michigan Construction Protection Agency (MCPA) has been one of the largest and well-respected construction notice and lien filing services in the United States of America. VOTED #1 by the Building Trade Contractors.