This rare Rittenhouse Square side-by-side duplex presents an exceptional investment opportunity or ideal owner-tenant setup. The main unit, 1907 is a 2-bedroom, 1.5 bath home featuring a private patio and a deck off the primary suite, while 1909 is a beautifully updated 1-bedroom, 1-bath apartment with its own private patio, perfect for rental income or multi-generational living. 1907: The kitchen features crisp white cabinetry and a peninsula with bar seating, and, a dedicated dining area that leads to a private outdoor patio, ideal for indoor-outdoor living. Upstairs, the living room is a bright and inviting retreat, anchored by oversized windows that flood the space with natural light and create an airy, open feel. Generous in scale, this level offers ample room for both lounging and entertaining. Up one more level, you’ll find two well- appointed bedrooms. The front bedroom enjoys southern exposure, filling the space with natural light, along with generous closet space. The main bedroom features vaulted ceilings, ample storage, and direct access to your private balcony. A full bathroom completes this level.The unfinished basement includes a laundry, a half bath and is ideal for storage. 1909: A beautifully updated 1-bedroom, 1-bath apartment with a bright, open layout and modern finishes throughout. The main living space is warm and inviting, featuring hardwood floors, large windows that bring in great natural light, and an open concept floor plan. The kitchen is thoughtfully designed with light wood cabinetry, granite countertops, a subway tile backsplash, and stainless steel appliances. The stacked washer and dryer are housed in a hallway closet, allowing for convenient access. A private brick patio is directly off of this space. The bedroom is generously sized with ample closet space and the full bathroom features clean tile work, a tub/shower combination, and a modern vanity. With its own private entrance, outdoor space, and updated interiors, this unit is ideal as a rental, guest suite, or owner-occupied space with income potential. Enjoy city living at its best, just a short stroll to Rittenhouse Square Park, South Street, and neighborhood favorites like Pub & Kitchen, Southgate, Sabrina’s Caf, and City Fitness. Commuters will love the convenient access to 30th Street Station for travel to New York or D.C., the University of Pennsylvania, and the direct line to the airport via Penn Medicine Station.