Mark Beamish Waterproofing, Inc.

ConstructionCalifornia, United States51-200 Employees

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.

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