Welcome to 546 Guy Street. Custom built and thoughtfully designed by award-winning Colizza Bruni Architecture, this stunning 4 bedroom, 3 bathroom two-storey home offers modern living in the heart of Castle Heights. Less than 6 years old, this home showcases exceptional craftsmanship, a smart layout, and high-end finishes throughout. The main level features beautiful hardwood flooring and a bright, open-concept design ideal for both everyday living and entertaining. The chef-inspired kitchen is equipped with top-of-the-line stainless steel appliances, complemented by quality cabinetry and functional workspace. A spacious living and dining area creates a warm and inviting atmosphere. Upstairs, you'll find generously sized bedrooms designed for comfort and practicality, making this home ideal for growing families. A standout feature is the thoughtfully designed lower level, offering a separate entrance to a self-contained 1 bedroom, 1 bathroom suite. This property is a legal duplex, providing excellent potential for multigenerational living, rental income, or added flexibility. Located in the established and evolving Castle Heights neighborhood, the area offers a mix of character homes and newer infill developments, attracting families, first-time buyers, and investors alike. Enjoy close proximity to parks, schools, shopping, and everyday amenities, including the St. Laurent Shopping Centre, grocery stores, and convenient transit options. The neighborhood is known for its welcoming, multicultural community and practical lifestyle appeal. An excellent opportunity to own a newer, custom-built home in a central location. Also available: 548 Guy Street, which can be purchased together for added investment or multigenerational potential.