Sign up for our COVID-19 newsletter to stay up-to-date on the latest coronavirus news throughout New York This custom-built Colonial on a perfectly manicured six-acre estate that embodies perfection on one of the most prestigious streets on the Gold Coast is listed for sale at 100 Dupont Ct. in Brookville.Built in 2005, this 14,000-square-foot brick mansion has seven bedrooms, eight bathrooms and four half bathrooms. Among its many amenities are a library, tennis court and heated in-ground pool.The house comes equipped with two eat-in kitchens, a formal dining room, a fully finished basement, four fireplaces, central air conditioning and an office. Outside it has an attached four-car garage and a stone patio.The house is located near the Old Westbury Golf Club, The Park at East Hills and the Nassau County Museum of Art. It’s less than a mile from the Greenvale Long Island Rail Road station. It’s in the highly ranked Jericho School District.The asking price is $15,000,000, not including the annual property taxes of $156,85.The real estate agents listed for the property are Jason Friedman and Sarah Friedman of Daniel Gale Real Estate. They can be reached at 516-627-4440.