Magnificent Mapleton Hill living awaits in this stunning 5BD/4BA residence on an park-like 8,689 SF lot. This home features beautifully updated interiors, a legal ADU and gorgeous outdoor living space in one of Boulder's most coveted neighborhoods. Inside this 4,045 SF showplace, discover an open layout perfect for indoor-outdoor living and entertaining. A wraparound porch opens to a gracious foyer. The sun-filled main level features designer lighting, stunning hardwood floors and rows of windows. Plan your next dinner party alongside a two-sided fireplace and built-ins in the formal dining room, or step down to the family room to stretch out in front of the gas fireplace. The newly renovated gourmet kitchen impresses with custom cabinetry, updated countertops, custom-tiled backsplashes, a walk-in pantry, and a suite of stainless steel Whirlpool and Bosch appliances. Step outside for al fresco dining in the fully fenced yard featuring a well-stocked summer kitchen, mature trees and serene landscaping. On the main floor, you'll find two large secondary bedrooms and an adjacent renovated bathroom plus another full guest bath. On the skylit upper level, discover a full-floor primary bedroom retreat offering a vaulted bedroom, an adjoining deck, a lofted office and an en suite spa bathroom with a walk-in closet, a marble shower, two pedestal vanities, a private water closet, and a soaking tub. The home's walkout lower level provides another large bedroom, storage and laundry room. Across the yard, the garage ADU provides a one-car garage and a large fitness/workshop/studio space on the main floor, plus 560 SF of unfinished storage below. On the ADU's top floor, you'll find an inviting apartment with a living room, deck, kitchenette, bathroom and bedroom area. In this coveted Mapleton Hill location, you're minutes to multiple trailheads, Pearl Street and Ideal Market.