Oly Mattera Construction is a full-service construction company based in Fairfield County, Connecticut. With over 50 years of experience, they specialize in residential and commercial concrete and excavation work, including foundations, concrete slabs, driveways, walls, sidewalks, curbs, footings, patios, flatwork, basketball courts, site preparation, backfilling, grading, land clearing, leveling, hauling services, trenching, demolition, drainage systems, waterproofing, drain installations, drywells, rechargers, septic systems, catch basins, sewer installations, and erosion and drainage.