Welcome to KOS Development. With over 25 years of experience in all phases of Church Building, Development and Commercial Construction, we offer a format that will allow you to maximize your financial resources without sacrificing quality. Let KOS assist you from concept through completion!

Long Pond Office Park

Rochester, New York

19,000 square feet










Greece Assembly of God Church

Rochester, New York

51,000 square feet

Browse through the rest of this site. We think you’ll like our “View a Current Project” page. Then contact us for an opportunity to share your plans and dreams. We can even schedule a tour for you at a current jobsite so that you can experience our work firsthand.