Seifert Construction is a family owned and operated third generation, full-service construction company serving the East End of Long Island. We specialize in building high end, luxury custom homes, and renovations where only the finest materials and highest quality craftsmanship is accepted. With over 200 completed projects in the last 20+ years, we
Dominic Grasso —
My wife and i decided to purchase a home on the north fork. But after renovating several homes in the past we did not want