About Us

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BAY Contracting is a 20+ year old company based in Waltham, MA. We’ve built our success in the highly competitive New England restoration, waterproofing and building maintenance markets by providing premier customers and contractors with innovative materials supported with strong engineering and precision craftmanship.

We specialize in masonry and concrete and also work with a wide variety of other materials to suit each project. Our work graces some of the most prestigious buildings in the Boston area and we are recognized and respected by customers and competitors alike for the high quality of our materials and workmanship and for our steadfast honesty.

BAY Contracting partners with leading materials manufacturers to produce durable elements and structures that have proven to withstand the rigors of one of the harshest environments in North America.

Our materials expertise ranges from GFRC (glass fiber reinforced concrete) and UHPC (ultra-high-performance concrete) to brick, concrete and stone allowing us to build, repair, strengthen, replace or waterproof virtually any type of exterior building element.

Our crew of over 60 craftspeople has greatly valued skills and expertise with the majority having worked for us for 15+ years.

We look forward to helping you with your next project.


Brian Keane

The owner of Bay Contracting Inc., sought to expand his historic restoration business by bringing molding and manufacturing of architectural elements in-house. In 2014, he hired Justin Blanchard, a graduate of the University of Massachusetts with a BFA and a concentration in sculpture, to help develop this new division. Together, they were successful in producing new pieces for historic buildings in and around the Boston area.