Welcome to 825 Robert Treat Extension! A stunning custom built home for the most discriminating buyer! Enjoy comfortable living in this newly renovated home located on an oversized, sprawling 2.14 Acre site at the end of a cul de sac!! From the welcoming 2 story foyer, discover the beautiful family room with vaulted ceilings, custom built-ins and a gorgeous stone fireplace which leads to an elegant, light filled dining room for effortless entertaining. The spectacular open floor plan leads to a Chef's kitchen complete with top of the line quartzite countertops and high end stainless steel appliances. Throughout you will notice high end finishes and amazing attention to detail. Some of the renovations within the past four years include: new custom kitchen, new baths, new Anderson windows, new stone and vinyl exterior siding, new wide plank wood floors throughout main level, renovated lower level with an additional 1240 square feet of walk out finished space..great potential for an au pair quarters or In-law set up. The serene primary suite is complete with a stylish spa bath & generous sized walk-in closet. Off the kitchen is an amazing wrap around deck which offers seamless indoor-outdoor living spaces perfect for hosting and relaxing with guests. The unparalleled gorgeous lot has room for a pool and the basketball court can be used for Pickle Ball or a Tennis Court. Convenient access to Yale, downtown New Haven, Route 15, I-95 and Metro North. Award winning school system.