# New construction in Park Slope, Brooklyn Since March 2021, builders in Park Slope have filed applications for 9 apartment buildings, 9 houses, 1 other new building and 16 major renovations, adding 538 units. 13 of the 19 new buildings have been approved so far. The latest was filed on Oct 7, 2026. Ranks 81st of 210 New York City neighborhoods for units: https://umarelli.org/nyc.md On Umarelli: https://umarelli.org/nyc/brooklyn/park-slope ## Filings, newest first - Oct 7, 2026: 906 Union Street — Conversion, 11 units added, 5 stories — https://umarelli.org/nyc/3010660024/906-union-street.md - Jul 6, 2026: 71 Lincoln Place — Conversion, 12 units added, 4 stories — https://umarelli.org/nyc/3009470054/71-lincoln-place.md - Jun 15, 2026: 405 5th Avenue — Apartment building, 12 units, 6 stories — https://umarelli.org/nyc/3009990008/405-5-avenue.md - May 20, 2026: 245 St Johns Place — Apartment building, 65 units, 11 stories — https://umarelli.org/nyc/3010580039/245-st-johns-place.md - Mar 26, 2026: 12 2nd Avenue — New building, 2 stories — https://umarelli.org/nyc/3009770003/12-2-avenue.md - Mar 5, 2026: 254 Flatbush Avenue — Apartment building, 20 units, 8 stories — https://umarelli.org/nyc/3009360013/254-flatbush-avenue.md - Feb 11, 2026: 667 Baltic Street — House, 3 units, 6 stories — https://umarelli.org/nyc/3009370046/667-baltic-street.md - Jan 13, 2026: 302 6th Avenue — House, 1 unit, 4 stories — https://umarelli.org/nyc/3009750039/302-6-avenue.md - Dec 23, 2025: 300 6th Avenue — House, 1 unit, 4 stories — https://umarelli.org/nyc/3009750039/302-6-avenue.md - Dec 23, 2025: 304 6th Avenue — House, 1 unit, 4 stories — https://umarelli.org/nyc/3009750039/302-6-avenue.md - Dec 17, 2025: 434 2nd Street — House, 1 unit, 4 stories — https://umarelli.org/nyc/3009750039/302-6-avenue.md - Dec 17, 2025: 964 Franklin Avenue — Apartment building, 259 units, 10 stories — https://umarelli.org/nyc/3011020063/964-franklin-avenue.md - Aug 19, 2025: 373 3rd Street — Major renovation, 4 units in all, 4 stories — https://umarelli.org/nyc/3009750071/373-3-street.md - Jul 15, 2025: 67 4th Avenue — Apartment building, 99 units, 17 stories — https://umarelli.org/nyc/3009320006/67-4-avenue.md - Jul 9, 2025: 306 6th Avenue — House, 1 unit, 4 stories — https://umarelli.org/nyc/3009750042/306-6-avenue.md - May 22, 2025: 268 8th Street — Major renovation, 1 unit in all, 3 stories — https://umarelli.org/nyc/3010040034/268-8-street.md - Mar 25, 2025: 30 Sterling Place — Major renovation, 2 units in all, 4 stories — https://umarelli.org/nyc/3009440021/30-sterling-place.md - Dec 4, 2024: 655 Baltic Street — House, 4 units, 4 stories — https://umarelli.org/nyc/3009370053/655-baltic-street.md - Oct 28, 2024: 28 7th Avenue — House, 4 units, 4 stories — https://umarelli.org/nyc/3009450040/28-7-avenue.md - Sep 18, 2024: 419 Dean Street — Apartment building, 5 units, 4 stories — https://umarelli.org/nyc/3009280056/419-dean-street.md - Sep 18, 2024: 423 Dean Street — Apartment building, 11 units, 4 stories — https://umarelli.org/nyc/3009280056/419-dean-street.md - Aug 17, 2024: 378 8th Street — Enlargement, 2 units added, 4 stories — https://umarelli.org/nyc/3010067501/378-8-street.md - Aug 13, 2024: 394 Douglass Street — Major renovation, 1 unit in all, 3 stories — https://umarelli.org/nyc/3009460035/394-douglass-street.md - Mar 18, 2024: 591 10th Street — Major renovation, 2 units in all, 3 stories — https://umarelli.org/nyc/3010927506/591-10-street.md - Feb 7, 2024: 34 Garfield Place — Conversion, 3 units added, 4 stories — https://umarelli.org/nyc/3009640023/34-garfield-place.md - Sep 25, 2023: 668 Baltic Street — Major renovation, 3 units in all, 4 stories — https://umarelli.org/nyc/3009407503/668-baltic-street.md - Jun 6, 2023: 643 Baltic Street — Major renovation, 4 units in all, 4 stories — https://umarelli.org/nyc/3009377506/643-baltic-street.md - May 31, 2023: 385 6th Avenue — Major renovation, 1 unit in all, 3 stories — https://umarelli.org/nyc/3009890001/385-6-avenue.md - May 10, 2023: 653 Baltic Street — Apartment building, 10 units, 5 stories — https://umarelli.org/nyc/3009370055/653-baltic-street.md - Oct 17, 2022: 39 Garfield Place — Conversion, 1 unit added, 4 stories — https://umarelli.org/nyc/3009610055/39-garfield-place.md - Jun 27, 2022: 431 7th Avenue — Apartment building, 10 units, 6 stories — https://umarelli.org/nyc/3011020004/431-7-avenue.md - Apr 22, 2022: 647 Baltic Street — House, 1 unit, 5 stories — https://umarelli.org/nyc/3009370057/647-baltic-street.md - Dec 22, 2021: 604 Pacific Street — Major renovation, 3 stories — https://umarelli.org/nyc/3009280033/604-pacific-street.md - Sep 9, 2021: 371 Douglass Street — Major renovation, 3 units in all, 4 stories — https://umarelli.org/nyc/3009437506/371-douglass-street.md - Sep 3, 2021: 657 Baltic Street — Enlargement, 1 unit added, 4 stories — https://umarelli.org/nyc/3009370052/657-baltic-street.md ## In the news - Oct 13, 2026: [108 Fifth Avenue Readies for Groundbreaking in Park Slope, Brooklyn](https://newyorkyimby.com/2026/10/108-fifth-avenue-readies-for-groundbreaking-in-park-slope-brooklyn.html), New York YIMBY - Apr 26, 2026: [Demolition Finishes at 67–75 Fourth Avenue in Park Slope, Brooklyn](https://newyorkyimby.com/2026/04/demolition-finishes-at-67-75-fourth-avenue-in-park-slope-brooklyn.html), New York YIMBY - Apr 24, 2026: [Renderings Revealed for 250 Flatbush Avenue in Park Slope, Brooklyn](https://newyorkyimby.com/2026/04/renderings-revealed-for-250-flatbush-avenue-in-park-slope-brooklyn.html), New York YIMBY ## Nearby neighborhoods - Gowanus, 0.5 mi west: 9,630 units in 96 projects — https://umarelli.org/nyc/brooklyn/gowanus.md - Boerum Hill, 0.7 mi north: 839 units in 25 projects — https://umarelli.org/nyc/brooklyn/boerum-hill.md - Prospect Heights, 0.8 mi east: 885 units in 17 projects — https://umarelli.org/nyc/brooklyn/prospect-heights.md - South Slope, 0.8 mi southwest: 970 units in 30 projects — https://umarelli.org/nyc/brooklyn/south-slope.md - Carroll Gardens, 0.9 mi northwest: 122 units in 30 projects — https://umarelli.org/nyc/brooklyn/carroll-gardens.md - Fort Greene, 1 mi north: 3,181 units in 35 projects — https://umarelli.org/nyc/brooklyn/fort-greene.md - Cobble Hill, 1 mi northwest: 4 units in 4 projects — https://umarelli.org/nyc/brooklyn/cobble-hill.md - Downtown Brooklyn, 1 mi north: 3,936 units in 26 projects — https://umarelli.org/nyc/brooklyn/downtown-brooklyn.md Source: NYC Department of Buildings, DOB NOW filings since March 2021.