609 Columbus Avenue, Manhattan
Co-op · 188 units · built 1971 · Block 1203, Lot 1.
Building permits
- Alteration, filed Dec 26, 2024, estimated cost $48K, described as “Propose interior renovation @ partial 8th and 9th floor Apt#8L with minor partition and finish work as per plan. No change in use, egress, or occupancy.”
- Alteration, filed May 7, 2024, described as “Installation of temporary suspended scaffold equipment.”
- Alteration, filed Mar 20, 2024, described as “Suspended Scaffold Permit Renewal.”
- Alteration, filed Feb 15, 2024, estimated cost $35K, described as “At 2ND floor apt 2E- interior renovation, removal and installation of non bearing interior partitions and related electrical work. No change to use, occupancy or egress.”
- Alteration, filed Mar 31, 2023, estimated cost $1K, described as “Filing Tenant Protection Plan in conjunction with 123913541”
- Alteration, filed Jun 24, 2022, estimated cost $5K, described as “PAA filed to reflect the current site conditions.”
- Alteration, filed Jun 23, 2022, estimated cost $5K, described as “PAA submitted to reflect current site conditions”
- Alteration, filed Jan 26, 2022, estimated cost $255K, described as “Mechanical modifications to an existing commercial space”
- Alteration, filed May 11, 2020, estimated cost $235K, described as “Provide insulation to all bare low pressure steam piping and fittings, replace damaged insulation with new insulation, replacement of roof exhaust fans, replacement of VRF air conditioning units and heat pumps.”
- Alteration, filed May 11, 2020, estimated cost $577K, described as “Replacement of Roof Water Storage tank and Cellar Tank fill pumps”
- Alteration, filed Apr 7, 2018, described as “Installation of heavy duty sidewalk shed as per plans. No change in use, egress or occupancy.”
Property taxes
- Assessment
- $7,113,150
- 2026–27 tax
- $34,281
- Market value (city estimate)
- $15,807,000
- Taxable value
- $275,592
- Assessed land
- $3,513,600
- Assessed improvements
- $3,599,550
Tax breaks
- Article XI exemption, through Jun 30, 2027, about $803,884 a year below the full tax.
Zoning
C1-9 (part of the lot is R7-2): floor area ratio 8.10 built, 10.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Sep 1, 2026: $508,000
- Aug 18, 2026: $460,000
- Aug 4, 2026: $495,000
- Jul 30, 2026: $831,000
- Jul 24, 2026: $480,000
- Jul 10, 2026: $421,000
- Jul 7, 2026: $780,000
- Jun 30, 2026: $397,000
- Jun 25, 2026: $500,000
- Jun 17, 2026: $550,000
The 10 most recent of 56 open-market sales since 2016, from the Department of Finance’s sales files.