910 Union Street 5-B Experience elevated living at 910 Union Street, Apt 5B a beautifully renovated 3-bedroom, 2.5-bath condo in Park Slope. Arrive via private keyed elevator into a dedicated landing with custom storage for strollers and gear. The sun-drenched interior features soundproof white oak floors, floor-to-ceiling windows, and multi-zone climate control. The chef s kitchen boasts stone countertops, Bosch appliances, and a mobile marble island that flows seamlessly into a living area with custom built-ins and a large terrace overlooking Grand Army Plaza. The king-sized primary suite serves as a serene retreat with a walk-in closet and motorized shades, while two additional bedrooms one with a private balcony provide flexible space for family or a home office. This full-service building includes a 6-day doorman, gym, playroom, and roof deck. Ideally located steps from Prospect Park, major subways, and zoned for PS 321. The building was converted to condominiums in 2013.