Set on a majestic lot on historic Summit Avenue, this spectacular Colonial Revival home blends timeless architectural character with thoughtful updates designed for modern living. Extensive renovations have expanded the home while preserving its gracious scale and original appeal. The renovated kitchen features a rear bump-out, Jon Frost custom cabinetry, stainless steel Miele double range, Thermador refrigerator and 2 Miele dishwashers. The expanded primary suite offers a private bath, dressing room and walk-in closet. The living room was enlarged by incorporating the former two-season sleeping porch, creating generous year-round living space. An elevator provides convenient access between all four levels. The finished lower level offers exceptional flexibility with a gym, media room, amazing laundry room, 2 Sub-Zero wine fridges, side-by-side extra refrigerator and freezer, storage rooms, climate-controlled collectibles room, and a huge exercise room created through a garden-level expansion. A large newer deck extends above the expanded basement. The four-car garage, built approximately in 2009, includes an electric charger and heated and air-conditioned all-season studio/flex space above-ideal for a playroom or teen hangout, art or yoga studio or private office. Extensive infrastructure improvements including new roofs in 2021, HVAC updates in 2008 and 2025, fully updated electrical in 2009, updated plumbing and sump pump/drain tile improvements in 2016. Additional updates include newer gas fireplaces in the primary bedroom and front corner bedroom, garden irrigation and spray insulation on the third floor. A rare opportunity to own an iconic Summit Avenue residence thoughtfully evolved for today's lifestyle!