Operative Plasterers and Cement Masons Local 518

We’ve been preparing apprentices for careers in plastering and cement masonry since 1960. As part of the OPCMIA, our mission has always been to uphold the integrity of our craft and support the professionals who practice it. Plaster and concrete have stood the test of time as essential building materials —versatile, long-lasting, and demanding of precision. Their successful use depends on a combination of skilled labor and strong leadership. We’re committed to preserving this craft through education, training, and recruitment, ensuring that future generations have the tools, knowledge, and support they need to thrive in this indispensable trade.

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About Us

Organized in 1864, the OPCMIA has represented and trained plasterers and cement masons for the purpose of protecting and promoting the quality of our industry and the livelihood of our members. Plaster and concrete are ageless building materials that will not fall out of favor as long as there is a sufficient amount of workers who are skilled in the arts of installation and finishing. These materials are as unforgiving as they are durable and beautiful. Skilled hands and competent management must work together to achieve the desired result and to promote and protect this vital construction resource. We dedicate ourselves to the promotion of these materials, the recruitment and training of skilled craftsmen to meet the demand of our industry and hold ourselves responsible to this commitment for the future of our industry and the welfare of all those who earn their living in it.