Construction is about to break ground at 108 Fifth Avenue, the site of a six-story mixed-use residential building in Park Slope, Brooklyn. Developed under the ONE BALTIC LLC, the structure will yield an undisclosed number of condominium units. The 2,333-square-foot property is located at the corner of Fifth Avenue and Baltic Street, and was last sold for $3.391 million in December 2025. An architect has not been disclosed.
New renderings have been revealed for the renovation of the Brooklyn Public Library–Pacific Branch at 25 Fourth Avenue in Park Slope, Brooklyn. Designed by Safdie Architects, the project will expand the structure’s scope by 1,500 square feet, adding a new roof with a skylight, a two-story solarium set within the rear sunken gardens, a new front entrance, and an ADA-accessible side entrance. The interiors will be reconfigured to improve circulation and will include new classrooms, expanded children’s and teen spaces, room for the Adult Learning program, and an elevator. AYON Studio is the architect of record and preservation architect for the property, which is located at the corner of Fourth Avenue and Pacific Street.
The affordable housing lottery has launched for SOLACE, an 18-story residential building at 74 St. Marks Place in Park Slope, Brooklyn. The structure yields 63 residences. Available on NYC Housing Connect are 63 units for residents at 40 to 130 percent of the area median income (AMI), ranging in eligible income from $38,949 to $238,160.
Construction is finished on Kay’s Place, an 11-story mixed-use residential building at 487 4th Avenue in Park Slope, Brooklyn. Designed by Aufgang Architects and developed and built by Procida Companies under the 487 4th Avenue Managers LLC, the 107-foot-tall structure spans 49,308 square feet and yields 44 affordable rental units with an average scope of 864 square feet. The project also includes 2,154 square feet of ground-floor commercial space, a cellar level, and one enclosed parking space. Ten of the units are one-bedroom apartments for residents with developmental disabilities, and a portion of the remainder will be reserved for the formerly homeless. The property is located at the corner of 4th Avenue and 12th Street.
Work is finishing up on 655 Baltic Avenue, a four-story residential building in Park Slope, Brooklyn. Designed by Spearhead and developed by Eran Malka under the Residence on Baltic LLC, the 50-foot-tall structure yields four condominium units with an average scope of 4,000 square feet. The property is located on an interior lot by the corner of Baltic Avenue and Gregory Place.
