31 Union Square, Manhattan
Apartment building · 82 units · built 1902 · Block 844, Lot 17.
Building permits
- No Work, filed Jul 24, 2026
- Alteration — Mid-Rise, filed Jul 17, 2026, estimated cost $243K, 82 units, 16 stories
- Alteration — Mid-Rise, filed Jun 26, 2026, estimated cost $160K, 86 units, 16 stories
- Alteration — Mid-Rise, filed Dec 12, 2025, estimated cost $5K, 82 units, 16 stories
- Alteration — Large Residential, filed Dec 12, 2025, estimated cost $3K, 82 units
- Alteration, filed Nov 10, 2025
- Alteration — Mid-Rise, filed Jan 8, 2025, estimated cost $178K, 76 units, 16 stories
- Alteration — Mid-Rise, filed Oct 15, 2024, estimated cost $525K, 71 units, 16 stories
- Alteration — Large Residential, filed Sep 16, 2024, estimated cost $5K, 85 units
- Alteration — Mid-Rise, filed Sep 3, 2024, estimated cost $178K, 85 units, 16 stories
- Alteration — Large Residential, filed Apr 29, 2024, estimated cost $5K, 85 units
- Alteration — Large Residential, filed Jan 9, 2024, estimated cost $33K, 76 units
- Alteration — Mid-Rise, filed Jan 8, 2024, estimated cost $199K, 76 units, 16 stories
- Alteration — Mid-Rise, filed Nov 17, 2023, estimated cost $199K, 76 units, 16 stories
- Alteration — Large Residential, filed Nov 17, 2023, estimated cost $33K, 76 units
- Alteration — Large Residential, filed Apr 26, 2023, estimated cost $30K, 76 units
- Alteration — Mid-Rise, filed Apr 26, 2023, estimated cost $199K, 76 units, 16 stories
- Alteration — Large Residential, filed Mar 24, 2023, estimated cost $30K, 76 units
- Alteration — Mid-Rise, filed Mar 23, 2023, estimated cost $183K, 76 units, 16 stories
- Alteration — Mid-Rise, filed Aug 3, 2022, estimated cost $186K, 78 units, 16 stories
- Alteration — Mid-Rise, filed Oct 29, 2020, estimated cost $4K, 76 units, 16 stories
- Alteration, filed Jun 25, 2018, estimated cost $1K
Property taxes
- Assessment
- $17,672,850
- Last year’s tax
- $2,010,217
- Land value
- $1,210,500
- Improvement value
- $16,462,350
Zoning
C6-2A: built 19.34 of 6.50 allowed floor area ratio.
In the news
Flight Club Signs Lease at 31 Union Square West in Flatiron, Manhattan, New York YIMBY, Jul 24, 2024.