Boardwalk Builders, Inc. Builders Boardwalk Builders, Inc. Visit Website Request Info 37395 Martin St. Rehoboth Beach, DE 19971 (302) 227-5754 About Map About Founded in 1986, Boardwalk Builders specializes in remodeling and custom home building in Coastal Sussex County. What's Nearby? Distance: 5 10 15 20 25 50 mi.