Exceptional opportunity in Walnut Creek: 3BD/2BA main home + 1BD/1BA attached ADU on a nearly half acre flat lot (approx 20,909 sq ft). Whether you're looking for room to grow, multigenerational living, rental income, or simply extra space, this property delivers. The single story main residence offers a traditional layout with a spacious living room featuring a fireplace & picture window & separate dining room just off the kitchen. The kitchen includes a center island with bar seating, generous counter space & ample cabinetry for storage. All 3 bedrooms are well sized, including a rear bedroom with sliding door access to the deck & yard, 2 bathrooms & laundry room complete the main home. The ADU has its own entrance & is fully equipped with a kitchen, living & dining space, full bathroom, bedroom & in unit laundryan excellent setup for guests or rental income. Outside, the expansive flat lot offers endless possibilities. Enjoy the existing pergola covered deck, patio seating area, mature shade trees & a variety of established fruit trees. Room to add a pool, garden beds & additional outdoor features. A long driveway provides parking for multiple vehicles. Located on a quiet residential street just minutes from downtown Walnut Creek, BART & top rated schools.