Welcome to 603 South 10th Street. Ideally situated between Bella Vista and Washington Square West, this light filled, double-wide duplex has been expanded to over 4300 square feet, with a 4BR, 3.5BA and a 1BR/1BA apartment, RM1 Zoning with Duplex Use Permit) on the first floor, a total of 5 bedrooms and 4.5 baths. Meticulously maintained by its owner, The oversized 3 car garage, 3 gorgeous outdoor spaces, an elevator, and tax abatement makes this property truly stand out. One flight up leads to the main level where you will find an expansive open floor plan that beautifully blends the original home with the addition completed in 2016. The huge family room with a tray ceiling and recessed lighting, hardwood floors and three large windows opening to 10th street. Access the elevated Ipe deck with pergola overlooking the park-like backyard with mature specimen trees, a large bluestone slate patio and raised planted beds. The renovated eat-in kitchen features pristine white cabinetry, stone countertops and side island, stainless appliances, glass tile backsplash, pantry and a convenient half bath. The adjacent dining room has a cedar tray ceiling with cove lighting and hanging pendant tracks and opens to the elegant living room with a white marble gas fireplace flanked by floating wood shelves on either side. Continue upstairs to find the primary suite with a sitting room at its entry. The ample sized bedroom has hardwood flooring and a cedar ceiling with recessed lighting, an arched wood burning fireplace with colorful tiles and a red brick hearth and a large walk-in closet. The primary bath has a frameless glass stall shower tiled with inset nooks, corner shelves and a stone bench, granite vanities with double sinks and a linen closet. Two additional bedrooms, one currently serving as an office and a full bathroom in the hall. On the upper level there is a light filled open space with a dramatic arched entry which could be utilized as you please or enclosed to make a 4th bedroom with its own full bathroom. The relaxing DuraTec roof deck with raised planters is made for your enjoyment and completes the upper level. On the ground level, there is a large 1 bedroom apartment that has a renovated kitchen with stainless steel appliances and granite countertops, two mini-split wall mounted A/C units and an in-unit washer and dryer. The unit has been continuously rented since 2016 and is currently occupied at 1600/month through July 2025. This is a great space that could be utilized as a guest suite, rental unit or easily modified to make this property a single family residence. Lease documents and apartment photos are available for review.