# New construction in South Slope, Brooklyn Since March 2021, builders in South Slope have filed applications for 13 apartment buildings, 4 houses and 13 major renovations, adding 970 units. 11 of the 17 new buildings have been approved so far, and 2 more have permits for early work. The latest was filed on Oct 29, 2026. Ranks 62nd of 210 New York City neighborhoods for units: https://umarelli.org/nyc.md On Umarelli: https://umarelli.org/nyc/brooklyn/south-slope ## Filings, newest first - Oct 29, 2026: 369 13th Street — Apartment building, 8 units, 5 stories — https://umarelli.org/nyc/3010300054/369-13-street.md - Oct 26, 2026: 565 6th Avenue — Enlargement, 1 unit added, 4 stories — https://umarelli.org/nyc/3010490004/565-6-avenue.md - Sep 14, 2026: 542 5th Avenue — Enlargement, 3 units added, 6 stories — https://umarelli.org/nyc/3010410042/542-5-avenue.md - Jul 30, 2026: 467 REAR Prospect Avenue — Conversion, 99 units added, 10 stories — https://umarelli.org/nyc/3011130061/467-rear-prospect-avenue.md - Jul 29, 2026: 449 Prospect Avenue — Apartment building, 99 units, 10 stories — https://umarelli.org/nyc/3011130073/449-prospect-avenue.md - Jul 29, 2026: 469 Prospect Avenue — Apartment building, 99 units, 10 stories — https://umarelli.org/nyc/3011130061/467-rear-prospect-avenue.md - Jul 29, 2026: 447 Prospect Avenue — Apartment building, 99 units, 10 stories — https://umarelli.org/nyc/3011130073/449-prospect-avenue.md - Jul 7, 2026: 286 13th Street — Conversion, 2 units added, 4 stories — https://umarelli.org/nyc/3010350015/286-13-street.md - Mar 27, 2026: 526 5th Avenue — Apartment building, 10 units, 6 stories — https://umarelli.org/nyc/3010340042/526-5-avenue.md - Feb 25, 2026: 271 11th Street — Enlargement, 2 units added, 4 stories — https://umarelli.org/nyc/3010160069/271-11-street.md - Aug 21, 2025: 448A 17th Street — Major renovation, 1 unit in all, 3 stories — https://umarelli.org/nyc/3008760013/448a-17-street.md - Jul 11, 2024: 1713 8th Avenue — Conversion, 29 units added, 3 stories — https://umarelli.org/nyc/3008760003/1713-8-avenue.md - Apr 19, 2024: 293 13th Street — Major renovation, 3 units in all, 4 stories — https://umarelli.org/nyc/3010290063/293-13-street.md - Apr 8, 2024: 222 16th Street — Apartment building, 32 units, 5 stories — https://umarelli.org/nyc/3010530039/222-16-street.md - Jul 7, 2023: 138A 16th Street — Apartment building, 5 units, 5 stories — https://umarelli.org/nyc/3010520024/138a-16-street.md - Jun 27, 2023: 24 Windsor Place — Major renovation, 1 unit in all, 3 stories — https://umarelli.org/nyc/3011120023/24-windsor-place.md - Feb 27, 2023: 241 13th Street — House, 4 units, 4 stories — https://umarelli.org/nyc/3010280058/241-13-street.md - Nov 8, 2022: 270 14th Street — House, 4 units, 4 stories — https://umarelli.org/nyc/3010420012/270-14-street.md - Sep 23, 2022: 367 13th Street — House, 4 units, 4 stories — https://umarelli.org/nyc/3010300055/367-13-street.md - Aug 3, 2022: 359 13th Street — Major renovation, 3 units in all, 4 stories — https://umarelli.org/nyc/3010307513/359-13-street.md - Jul 29, 2022: 228 13th Street — Apartment building, 28 units, 5 stories — https://umarelli.org/nyc/3010340015/228-13-street.md - May 31, 2022: 603 6th Avenue — Major renovation, 3 units in all, 4 stories — https://umarelli.org/nyc/3010540005/603-6-avenue.md - Mar 2, 2022: 445 5th Avenue — Enlargement, 30 units added, 6 stories — https://umarelli.org/nyc/3010117502/445-5-avenue.md - Jan 27, 2022: 263 Prospect Avenue — Apartment building, 144 units, 5 stories — https://umarelli.org/nyc/3010530020/263-prospect-avenue.md - Dec 20, 2021: 308 14th Street — Apartment building, 10 units, 5 stories — https://umarelli.org/nyc/3010420037/308-14-street.md - Dec 8, 2021: 186 16th Street — House, 3 units, 4 stories — https://umarelli.org/nyc/3010537508/186-16-street.md - Oct 14, 2021: 329 10th Street — Apartment building, 205 units, 19 stories — https://umarelli.org/nyc/3010100002/329-10-street.md - Aug 24, 2021: 328 12th Street — Major renovation, 3 units in all, 3 stories — https://umarelli.org/nyc/3010290029/328-12-street.md - Jul 6, 2021: 487 Fourth Avenue — Apartment building, 44 units, 11 stories — https://umarelli.org/nyc/3010280007/487-fourth-avenue.md - Apr 12, 2021: 379 12th Street — Apartment building, 6 units, 3 stories — https://umarelli.org/nyc/3010247503/379-12-street.md ## In the news - Oct 6, 2026: [After Delays, Apartments Replacing Grand Prospect Hall Near Completion](https://www.brownstoner.com/development/grand-prospect-hall-development-263-prospect-avenue-construction/), Brownstoner - Aug 31, 2026: [Massive Change Coming to Arrow Linen Block Under New Developer](https://www.brownstoner.com/development/arrow-linen-467-prospect-avenue-new-developer-plan-goose-reaction/), Brownstoner - Jul 19, 2026: [Kay’s Place Completes Construction At 487 4th Avenue in Park Slope Brooklyn](https://newyorkyimby.com/2026/07/kays-place-completes-construction-at-487-4th-avenue-in-park-slope-brooklyn.html), New York YIMBY ## Nearby neighborhoods - Park Slope, 0.8 mi northeast: 538 units in 35 projects — https://umarelli.org/nyc/brooklyn/park-slope.md - Windsor Terrace, 0.8 mi southeast: 68 units in 10 projects — https://umarelli.org/nyc/brooklyn/windsor-terrace.md - Gowanus, 0.9 mi north: 9,630 units in 96 projects — https://umarelli.org/nyc/brooklyn/gowanus.md - Carroll Gardens, 1 mi north: 122 units in 30 projects — https://umarelli.org/nyc/brooklyn/carroll-gardens.md - Cobble Hill, 1 mi north: 4 units in 4 projects — https://umarelli.org/nyc/brooklyn/cobble-hill.md - Boerum Hill, 1 mi north: 839 units in 25 projects — https://umarelli.org/nyc/brooklyn/boerum-hill.md - Red Hook, 1 mi northwest: 974 units in 41 projects — https://umarelli.org/nyc/brooklyn/red-hook.md - Kensington, 1 mi south: 562 units in 14 projects — https://umarelli.org/nyc/brooklyn/kensington.md Source: NYC Department of Buildings, DOB NOW filings since March 2021.