The Dover metro area has 1 new home communities with available homes with energy efficient features. The 6 new green houses for sale in Dover cost as little as $486,900, proving that investing in your dream home while protecting the environment does not have to break the bank. New green homes in Dover range between 1,821 to 3,145 square feet, and have between 3 to 4 bedrooms and 2 to 3 bathrooms.