4915 N Kostner Avenue Completely reimagined and fully gutted rehab in the heart of Mayfair! This stunning 4-bedroom, 3.5-bath home has been rebuilt from the ground up with all-new plumbing, electrical, and mechanical systems, offering the feel of new construction with the charm of an established neighborhood. The main bedroom is located on the second floor, along with a thoughtfully designed layout, and there is an additional ensuite bedroom on the main floor for added convenience and flexibility. Designed with a clean, modern aesthetic, the home showcases high-end finishes throughout, including rich white oak hardwood flooring and exceptional attention to detail in every space. The chef-inspired kitchen serves as the centerpiece, featuring quartz countertops, a dramatic waterfall island, a designer backsplash, and sleek contemporary cabinetry. Spacious bedrooms offer comfort and versatility, while beautifully finished bathrooms provide a spa-like experience with premium materials and elegant design. The fully finished basement includes a large family room, a bedroom, and a full bathroom perfect for guests, in-laws, or additional living space. Ideally located in Mayfair, close to parks, transportation, and city conveniences, this is a rare opportunity to own a turnkey, luxury home in a fantastic neighborhood.