Welcome to 274 Demaine Crescent in the desirable Crosby neighbourhood. Set on a premium pie-shaped lot that widens at the rear, this property offers rare outdoor space and the unique feel of two homes in one. This thoughtfully expanded home features a functional layout across three levels. The main floor offers a bright open-concept kitchen and living area, white granite countertops and main floor laundry and two bedrooms. The upper level of the addition is dedicated to a private primary retreat with its own heating and cooling controls, featuring a spacious bedroom, walk-in closet, 4-piece ensuite, and a separate sitting area ideal for a home office or lounge.The finished basement provides excellent versatility with a self-contained 3-bedroom in-law suite, complete with its own kitchen and 3-piece bathroom, perfect for extended family or potential rental income. Additional features include 220-amp service, solid oak staircase, updated insulated perimeter walls with soundproofing between adjoining walls, roof (2015), A/C (2020), and upgraded electrical, plumbing, and insulation throughout. Includes sump pump with full weeping tile system. Fully fenced corner lot yard with above-ground pool and parking for up to five vehicles. Conveniently located near transit, schools, parks, and everyday amenities. A rare offering in a sought-after neighbourhood.