Start Your Build on the Right Foot CONCRETE FOUNDATION CONSTRUCTION IN THE DANBURY, CT AREA Connecticut Foundation Corporation offers residential, commercial and industrial foundation construction services in the Danbury area. For over 50 years, we've been a reliable choice for retaining walls, sidewalks, slabs and other poured concrete additions. Our team has the equipment, the skill and the dedication to get the job done. No structure can stand the test of time without a solid foundation. We're standing by to get started on your concrete foundation construction work.