Welcome to 75 Sullivan Drive, a beautifully upgraded 4-bedroom, 4.5-bath detached brick home in one of Ajax's most convenient family neighbourhoods. From its warm curb appeal to its thoughtfully designed interior, this home offers exceptional space for both daily living and entertaining. The main floor showcases hardwood flooring, crown moulding, pot lights, and an inviting open-concept layout. The modernized kitchen features granite countertops, stainless steel appliances, and a walkout to a private backyard with no neighbours behind - the perfect spot for relaxing or hosting family gatherings. Upstairs, the impressive primary suite includes a large walk-in closet and 4-piece ensuite, while the additional bedrooms are bright, spacious, and complemented by updated bathrooms. The finished basement adds even more versatility with two bedrooms, two bathrooms, a large recreation area, and a second kitchen - ideal for multi-generational living, an in-law suite, or guest accommodations. Set in a prime location just minutes from parks, top-rated schools, shopping, and transit, this home offers the perfect blend of comfort, space, and convenience.