Based in Stonington, Connecticut, Evergreen is a full service construction company typically assuming complete project responsibility for our clients including all aspects of site work, building construction, and landscape installation.


Led by company principals and brothers Mike and Tim O’Neill, Evergreen has been building and renovating coastal custom homes for over a decade. Having grown up in the boat building business and spent 20 years leading the development of technology and the design and manufacture of products in the recreational vehicle, heavy truck, and automotive industries, the O’Neill’s bring a unique technical and professional background to the residential construction industry.