With more than 30 years of experience, Kostaris Construction, Inc., has the ability to facilitate all aspects of your project, from beginning to end. An owner-operated business, our services include excavating, plumbing, HVAC, electrical, drywall, roofing, siding, insulation, door & window installation, radiators & boilers, custom framing, all types of custom trim work, wood floors & ceilings, masonry, tile, counters & tops and cabinet installation. All of our work is backed by a written guarantee.