Mark Beamish Waterproofing, Inc

Mark Beamish Waterproofing is a family-built, non-union specialty subcontractor delivering waterproofing, caulking, coatings, painting, and concrete finishing services since 1981. With more than 150 skilled field technicians and 700+ projects completed annually, we partner with general contractors, property managers, and owner/developers to protect buildings, prevent water intrusion, and extend the life of structures. Founded in Anaheim and still family-led today, MBW is built on craftsmanship, integrity, and responsibility. Our teams are trained, safety-focused, and trusted to execute complex scopes the right way—without shortcuts. From new construction to existing buildings, we help our clients deliver durable, high-quality projects at scale across California.