661 Amsterdam Avenue, Manhattan
Condominium · 91 units · built 1940 · Block 1223, Lot 7501.
Building permits
- Alteration, filed Nov 12, 2026, estimated cost $170K, described as “Unit 4E: removal + installation of non load bearing interior partitions, fixtures, and finishes as per plans.”
- Alteration, filed Dec 3, 2025, estimated cost $150K, described as “Roof Membrane Replacement Project as per plans. No change to use, egress, or occupancy.”
- Alteration, filed Sep 29, 2025, estimated cost $179K, described as “Application filed for interior renovation of apartment unit 3DE. No change in use, occupancy or egress under this application.”
- Alteration, filed Mar 18, 2024, described as “Suspended Scaffold permit Renewal”
- Alteration, filed Mar 18, 2024, described as “Suspended Scaffold Permit Renewal”
- Alteration, filed Mar 16, 2024, estimated cost $112K, described as “Minor interior renovation of exist. apt, incl. minor partition work; replace exist. fixtures, finishes & fittings at bathroom; replace/install new lighting; exist. low living room floor to be raised flush w/apt floor. No change to Use,…”
- Alteration, filed Oct 25, 2023, estimated cost $50K, described as “Interior renovation of apartment 2B on the second floor. No change in use, egress, or occupancy.”
- Alteration, filed Sep 5, 2023, estimated cost $300K, described as “Replacement (1) new combination gas/oil burner on (1) new low pressure boiler. Change grade of fuel oil from #4 oil to #2 oil. Remove 3,000 gallon oil tank. New 1080 gallon oil tank. No change in means of egress use group or occupancy.”
- Alteration, filed Aug 31, 2023, estimated cost $5K, described as “Installation of a sidewalk shed”
- Alteration, filed Aug 31, 2023, estimated cost $5K, described as “Installation of a sidewalk shed”
- Alteration, filed Aug 30, 2023, estimated cost $300K, described as “Replacement (1) new combination gas/oil burner on (1) new low pressure boiler. Change grade of fuel oil from #4 oil to #2 oil. Remove 3,000 gallon oil tank. New 1080 gallon oil tank. No change in means of egress use group or occupancy.”
- Alteration, filed Jul 24, 2023, estimated cost $170K, described as “Facade Repairs as per plans filed herewith. No change to use, egress, or occupancy.”
- Alteration, filed Jul 24, 2023, estimated cost $137K, described as “Facade Repairs as per plans filed herewith. No change to use, egress, or occupancy.”
- Alteration, filed May 31, 2023, estimated cost $39K, described as “GC work for kitchen renovation at 4th floor apartment 4G as per plans submitted.”
- Alteration, filed Nov 22, 2022, estimated cost $197K, described as “Interior renovation in apt 6E. No change to use, occupancy or egress.”
- Alteration, filed Dec 9, 2021, described as “Installation of temporary sidewalk shed as per plans. No change in use, egress or occupancy.”
- Alteration, filed Aug 26, 2021, estimated cost $6K, described as “To resolve ecb violation 35581081R by filing for plumbing permit in conjunction with job M00559601-I1 as per plan filed herewith. No change of ues, egress or certificate of occupancy.”
- Alteration, filed Aug 12, 2021, estimated cost $6K, described as “To resolve ecb violation 35581081R by removing illegal partitions at cellar for ex. Store with general construction as per plan filed herewith. No change in use, egress and occupancy.”
- Alteration, filed Apr 9, 2021, estimated cost $35K, described as “Install steel dunnage on roof parapet to support the rooftop refrigerant cooling fans for the 1ST floor store.”
- Alteration, filed Aug 20, 2020, estimated cost $160K, described as “Install havc and kitchen exhaust system in 1ST floor retail food store”
- Alteration, filed Aug 20, 2020, estimated cost $60K, described as “Relocate sprinkler heads in existing retail food store in 1ST floor and cellar to give sprinkler coverage as per code for the new tenant build out”
- Alteration, filed Aug 6, 2020, estimated cost $85K, described as “Install plumbing fixtures and gas cooking equipment in an existing vacant retail food store”
- Alteration, filed Jul 14, 2020, estimated cost $22K, described as “Remove gas burning cooking equipment and plumbing fixtures in an existing vacant store. All new plumbing fixtures and cooking equipment to be filed under separate application”
Property taxes
- Assessment
- $10,980,450
- 2026–27 tax
- $1,154,399
- Market value (city estimate)
- $24,401,000
- Taxable value
- $10,616,481
- Assessed land
- $2,136,150
- Assessed improvements
- $8,844,300
- Condo units with their own tax lots
- 2
Zoning
C2-8: floor area ratio 5.72 built, 10.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Sep 8, 2026: $490,000
- Jun 25, 2026: $1,270,000
- Jun 4, 2026: $1,295,000
- May 5, 2026: $1,350,000
- Jun 16, 2025: $540,000
- Jan 21, 2025: $2,925,000
- Sep 16, 2024: $1,960,000
- Jun 27, 2024: $499,000
- Oct 3, 2023: $481,000
- Mar 20, 2023: $1,273,208
The 10 most recent of 35 open-market sales since 2016, from the Department of Finance’s sales files.