Welcome to 11 Ontario Street, a beautifully maintained 1712 sq.ft (above grade) 4-level side-split on a desirable corner lot in the heart of historic Bowmanville. This 3+1 bedroom, 1.5 bath home offers an open-concept main floor with a spacious eat-in kitchen featuring granite countertops, under-cabinet lighting, pot lights, a large island with ample storage, and a breakfast bar and walk-out to deck perfect for BBQ. The bright living room is warmed by a cozy gas fireplace and bathed in natural light through a large bay window. Just a few steps up offers 3 well-sized bedrooms, an updated 4-piece bathroom, and lots of storage. The third level, you'll find a versatile space that can serve as a bright family room that could serve as a private primary suite, or in-law setup complete with laundry, a walkout to the backyard, a powder room, and a flexible bonus area perfect for a den, office, or potential kitchenette. The lower level offers a large rec room ideal for movie nights, a games area, an additional bedroom, storage, and utility space. Located steps from Bowmanvilles vibrant downtown shops, top-rated restaurants, community festivals, schools, and scenic trails along Bowmanville Creek, this home is nestled in a welcoming, family-friendly neighbourhood ready to greet its next homeowners.