Architecturally designed expanded Colonial with lit cupola perched at highest point in sought-after Echo Valley neighborhood is a landmark known as “the Beacon,” steps from Middlesex Swim Club and Olson Woods. Owners of 40 years expanded home to offer today's most desired features from a French inspired designer kitchen w/ custom cabinets, limestone counters, paneled appliances and casual dining and bar stool seating. EIK opens to a cozy FR w/ walls of glass, vaulted ceiling and skylight expanding via sliders to a slate covered back patio and open patio w/ sitting walls overlooking park-like lawn and professionally landscaped grounds. LR w/ masonry fpl and expanded DR w/ bay window for elegance. Master Suite features spacious balcony, luxury bath w/ skylight and bonus 5th BR featuring vaulted ceiling and dramatic Palladian window and French door to balcony. Spacious 3 BRs share renovated hall BA. Finished LL perfect for dual home offices or expansive playroom, powder room, laundry rm. All new custom windows, hardwood floors throughout, high-end 5 layer roof plus oil and stone top-of-line driveway w/ Belgium aprons. Sited on corner lot in the neighborhood, this park-like property is secluded, accented by extensive mature specimen plantings and formal gardens plus adjacent stone patios, level Bermuda lawn, outdoor shower, irrigation, pool sites plus 2-car attached garage. A luxury escape convenient to schools, train, town, parks and shopping.