This house has a flat backyard, a garage, a mudroom, a big kitchen and it’s a center hall colonial – arguably the most desired home style. That and it’s location – on one of the best streets in highly sought after Montclair – helped the home sell for $426,000 more than its asking price. “It’s a very gracious house,” said Sam Joseph of Prominent Properties Sotheby’s International Realty, the listing agent. “When you walk in, you feel like you’re in an upper-end home.” The home has seven bedrooms, four full and one half bathrooms. It was listed May 7 for $1,599,000 and closed August 5 for $2,025…