Park Slope

The Brooklyn Public Library - Pacific Branch at 25 Fourth Avenue. Rendering courtesy of Safdie Architects.

Renderings Revealed for Brooklyn Public Library–Pacific Branch Renovations in Park Slope, Brooklyn

8:00 am on September 26, 2026 By Michael Young and Matt Pruznick

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.

Housing Lottery Launches for SOLACE at 74 St Marks Place in Park Slope, Brooklyn

7:00 am on August 15, 2026 By Vanessa Londono

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.

Kay’s Place Completes Construction At 487 4th Avenue in Park Slope Brooklyn

7:00 am on July 19, 2026 By Michael Young and Matt Pruznick

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.

655 Baltic Avenue. Photo by Michael Young.

655 Baltic Avenue Wraps Up Construction in Park Slope, Brooklyn

7:00 am on June 29, 2026 By Michael Young and Matt Pruznick

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.

67-75 4th Avenue. Designed by Kao Hwa Lee Architects.

Demolition Finishes at 67–75 Fourth Avenue in Park Slope, Brooklyn

7:00 am on April 26, 2026 By Michael Young and Matt Pruznick

Demolition is complete at 67–75 Fourth Avenue, site of a 14-story residential building in Park Slope, Brooklyn. Designed by Kao Hwa Lee Architects and developed by Shimon Kleinman, the 145-foot-tall structure will span 88,943 square feet and yield 99 rental units with an average scope of 839 square feet. The property will also include 5,872 square feet of commercial space, according to permits filed in July 2025. The property consists of five abutting parcels between St. Mark’s Place and Bergen Street.

250 Flatbush Avenue. Rendering courtesy of ZAchitecture.

Renderings Revealed for 250 Flatbush Avenue in Park Slope, Brooklyn

7:30 am on April 24, 2026 By Michael Young and Matt Pruznick

Renderings have been revealed for 250 Flatbush Avenue, an eight-story mixed-use building at 250 Flatbush Avenue in Park Slope, Brooklyn. Designed by ZArchitecture PLLC and developed by Tolib Mansurov under the 250 Flatbush LLC, the 85-foot-tall structure will span 35,436 square feet and yield 20 condominium units with an average scope of 1,358 square feet. The project will also include 8,257 square feet of commercial space, a cellar level, and a 20-foot-long rear yard. The property is composed of several abutting interior parcels from 250 and 258 Flatbush Avenues between St. Mark’s Avenue and Prospect Place.

LPC To Review Proposal For 17 Montgomery Place In Park Slope, Brooklyn

7:00 am on April 13, 2026 By Max Gillespie

The New York City Landmarks Preservation Commission (LPC) is reviewing a proposal for alterations to 17 Montgomery Place, a three-story, two-unit row house in Park Slope, Brooklyn. Designed by Soudry Architect, the project involves modifications to the building’s rear façade, including the enlargement of an existing bay window and the addition of new exterior elements at the lower levels. The property sits midblock between 8th Avenue and Prospect Park West within a context of similarly scaled brownstone residences.

Permits Filed for 254 Flatbush Avenue in Park Slope, Brooklyn

6:30 am on April 6, 2026 By Vanessa Londono

Permits have been filed for an eight-story mixed-use building at 254 Flatbush Avenue in Park Slope, Brooklyn. Located between St. Marks Avenue and Prospect Place, the lot is one block from the Bergen Street subway station, served by the 2 and 3 trains. Tolib Mansurov under the 250 Flatbush LLC is listed as the owner behind the applications.

Permits Filed for 250 Flatbush Avenue in Park Slope, Brooklyn

6:30 am on March 11, 2026 By Vanessa Londono

Permits have been filed for an eight-story mixed-use building at 250 Flatbush Avenue in Park Slope, Brooklyn. Located between St. Marks Avenue and Prospect Place, the lot is near the Bergen Street subway station, served by the 2 and 3 trains. Tolib Mansurov of 250 Flatbush LLC is listed as the owner behind the applications.

The Slope on Fifth Nears Completion at 445 5th Avenue in Park Slope, Brooklyn

7:30 am on August 18, 2025 By Michael Young and Matt Pruznick

Construction is almost finished on The Slope on Fifth, a six-story mixed-use building at 445 5th Avenue in Park Slope, Brooklyn. Designed by Tahir Demircioglu Architect and developed by RJ Capital Holdings, the 74-foot-tall structure will span 53,099 square feet and yield 30 condominium units with an average scope of 991 square feet. The project will also contain 23,359 square feet of commercial space, 24 enclosed parking spaces, and storage for 25 bicycles. The property is located at the corner of 5th Avenue and 9th Street.

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