Fall in love with the picture-perfect location and handsome exterior and impress your friends with millennial efficiency and elegant finishes inside! A beautiful slate walk leads the way to the front door of this stunning Federal Colonial. Step inside for a taste of the beautiful oak floors and soft neutral colors found throughout the home. The sweeping foyer is an elegant place to greet guests. Two double coat closets and a renovated powder room can be found in this space. The spacious living room features large windows overlooking Vassar Avenue and a decorative fireplace. A wall of built-ins provides a visual anchor to the large formal dining room. The family room addition is spacious with peaceful views of the garden through a wall of windows reaching up to the vaulted ceiling. Random width red oak floors stretch from the family room into the enormous gourmet kitchen. The creamy white cabinets, granite countertop, new subway tile backsplash, radiant heat and vaulted ceiling with skylight create the perfect ambiance for entertaining and mealtimes. High-performing appliances, including a new KitchenAid refrigerator, a 6-burner Thermador professional range and hood, and a Bosch stainless steel, integrated control dishwasher, and an entire baking center wing with a second stainless steel undermount sink, a new KitchenAid double oven, and a wine refrigerator, all add up to unparalleled function. Carry a loaf of freshly baked bread onto the screen porch, where there is plenty of space for a picnic table, and enjoy views over the secluded back garden, beautifully landscaped, with low maintenance perennials. Upstairs, the primary bedroom wing extends over half the footprint of the house. The ensuite office or nursery offers a ]double closets and a 2nd floor laundry cupboard, as well as a built-in desk and office center. The primary bedroom itself is peaceful and airy, with a vaulted ceiling, and gorgeous views over the property through a French door, which lead to a balcony. Two walk-in closets, and a linen cupboard keep the space effortlessly tidy. The primary bath features classic black and white tile, new double storage vanity, a glass door stall shower, and a door to the restroom space. The opposite wing of the second floor offers a renovated hall bath with heated radiant tile floors for use by the spacious second and third bedrooms, each with ample closets and pretty views of the garden. The full basement has one semi-finished room with built-in office furnishings. An attached 2 car garage is a major asset all year around. Comfort meets efficiency when it comes to utilities. A brand-new boiler with a hot water tank boasts five heating zones of gas heat, and hot water sourced separately to each bath. Brand-new Central Air and a mini-split keep the whole house cool and comfortable in the summertime too. Outside, Vassar Avenue ends in a rare Swarthmore mini-cul-de-sac in one direction. The town center with library, co-op, and regional rail to Philadelphia are just four blocks in the other. One visit to 401 Vassar and you will never want to say good-bye. - Plans available for 4th bedroom addition -