Welcome to 21 Mackay Street, a beautifully maintained 3-bedroom, 2-bathroom home that blends modern upgrades with comfortable living. The main floor features elegant white flooring installed in 2018 and a spacious, open-concept layout that flows seamlessly into the stunning kitchen, fully renovated in 2018 with sleek cabinetry, a large island, and stainless steel appliances including a brand new fridge (2024). A new sliding door was installed in April 2025. Upstairs, there are three generously sized bedrooms, including a bright and airy primary suite. As an added bonus, the third floor offers a versatile room that can be used as an additional bedroom, office, playroom, or family room - the possibilities are endless. Downstairs, the fully finished basement adds valuable living space with a rec room and utility area. Step outside to your private backyard retreat, complete with a large deck, hot tub (2019), and a covered pergola - perfect for relaxing or entertaining. Additional upgrades include a new roof (2018), furnace and air conditioner (2017), central vacuum (2021), and a rental water heater (2019). This home is move-in ready and ideally located in a quiet, family-friendly Guelph neighbourhood.