The Nassau & Suffolk Counties metro area has 1 new home communities with available homes with energy efficient features. The 5 new green houses for sale in Nassau & Suffolk Counties cost as little as $2,898,000, proving that investing in your dream home while protecting the environment does not have to break the bank. New green homes in Nassau & Suffolk Counties range between 2,698 to 4,510 square feet, and have between 4 to 5 bedrooms and 3 to 5 bathrooms.