Wirth & Company is a family business run by a father and son team. They work together to bring the absolute best craftsmanship to all of their clients.


Walter has been in the building industry for over 40 years. After graduating from East Hampton High School in 1971, he started a small flooring business in Sag Harbor and then quickly moved on to Walter Wirth Builders which grew into a well known building company in the Hamptons. After a brief retirement, Walter teamed up with his son, Jonathan, to start Wirth & Company Construction in 2004. Since then, Walter has brought his years of industry knowledge and expertise to Wirth & Company.

Jonathan Wirth

Jonathan has been working in construction for 15 years. After perfecting his skills working in the field, he and Walter teamed up to start Wirth & Company Construction in 2004. Jonathan brings a modern touch to the business that gives all of our clients the most up to date industry trends and techniques.