551 Amsterdam Avenue, Manhattan
Co-op · 86 units · built c. 1918 · Block 1217, Lot 64.
Building permits
- Alteration, filed Nov 4, 2026, estimated cost $150K, described as “Non-Structural Demolition; two interior partitions, finished flooring, bathroom finishes and millwork. Interior renovation; Install new bathroom wall, wall & floor finishes, mill work, interior doors.”
- Alteration, filed Sep 25, 2026, estimated cost $60K, described as “Addition of fire-rated trash rooms with fire-rated doors on all floors. Relocation of fire-rated corridor doors. Modifications to finishes as per new layout.”
- Alteration, filed Sep 25, 2024, estimated cost $45K, described as “Renovation of existing apartment - 9C, new partitions, modifications to existing bathroom, modifications to existing kitchen.”
- Alteration, filed Aug 29, 2024, estimated cost $90K, described as “Hereby filing plumbing work at 11TH floor unit 11C as per plans. Work to include new plumbing fixtures and removal of gas piping.”
- Alteration, filed Aug 27, 2024, estimated cost $400K, described as “Proposed interior renovation at 11TH floor unit 11C, removal & installation of non load bearing partitions & related finishes and replace window and patio door as per plans.”
- Alteration, filed Aug 27, 2024, estimated cost $160K, described as “Proposed mechanical work to apartment #11C, replacement of air conditioning system with new split unit a/c handling units, ductwork, and air distribution system.”
- Alteration, filed Mar 6, 2024, described as “Installation of suspended scaffold for facade work and/or inspection. Amend #1, added scaffold drops.”
- Alteration, filed Mar 1, 2024, estimated cost $1K, described as “Installation of temporary heavy duty sidewalk shed as per plans. No change in use, egress or occupancy. Sidewalk shed shall comply with chapter #33 of 2022 the NYC building code. Live load 300PSF.”
- Alteration, filed Feb 28, 2024, estimated cost $892K, described as “Remove and replace existing main roof membrane and flashings. Replace existing stone at northwest building corner. No change in use, egress, or occupancy.”
- Alteration, filed Oct 6, 2023, estimated cost $45K, described as “Application filed to renovate existing Apt #2D. Minor work to non load bearing partitions walls. Renew Kitchen and Bathroom layouts. No change in occupancy use or egress.”
- Alteration, filed Sep 29, 2023, estimated cost $110K, described as “Removal and installation of non-bearing partitions and related finishes as per plans filed herewith. No change in use, egress or occupancy under this application.”
- Alteration, filed Jun 29, 2023, estimated cost $224K, described as “Renovation of existing apartment.new partitions, modifications to existing bathroom,new bathroom, modifications to existing kitchen, new through the wall units.”
- Alteration, filed Apr 11, 2023, estimated cost $90K, described as “Renovation of Kitchen, Half Bath and Dining Room”
- Alteration, filed Jul 25, 2022, estimated cost $30K, described as “Apt. 2C-- General construction for apartment renovation as per plans filed. No change to use, egress, or occupancy.”
- Alteration, filed Jul 19, 2022, estimated cost $9K, described as “Plumbing work as per plans attached herewith. No change in use, egress and occupancy.”
- Alteration, filed Jul 19, 2022, estimated cost $15K, described as “Installation of new stairs connecting apt 7B and 8H. No change in use, egress and occupancy.”
- Alteration, filed Jul 19, 2022, estimated cost $220K, described as “Minor structural modifications for combination of apartments 7B & 8H as per plans filed herewith. No change in use, egress and or occupancy of the building,”
- Alteration, filed Jul 8, 2022, estimated cost $14K, described as “(1) New lavatory, (1) shower and (1) washing machine at new rough-in. Relocate (1) water closet , (1) kitchen sink and (1) dishwasher, (1) ice maker. Replacement of (1) water closet and (1) lavatory at existing rough-in at Apt 6C.…”
- Alteration, filed Jul 8, 2022, estimated cost $200K, described as “General renovation of apartment 6C. New partitions, modifications to the existing bathroom and kitchen replacement in-kind. New bathroom and bedroom. Installation of mechanical bathroom vent to outside air.”
- Alteration, filed Apr 21, 2022, estimated cost $50K, described as “Installation of HVAC condensing unit and indoor air handling units.”
- Alteration, filed Apr 19, 2022, estimated cost $109K, described as “Interior renovation of apartment 10F on 10th Floor. Remove and erect interior non-load bearing partition walls, Replace floorings. No changes to use, egress or occupancy.”
- Alteration, filed Apr 19, 2022, estimated cost $27K, described as “Interior renovation of bathrooms. Replace, relocate, and new plumbing fixtures. No changes to use, egress or occupancy.”
- Alteration, filed Apr 12, 2022, estimated cost $16K, described as “Replace existing tub with new shower, add wahing machine. Replace existing lav and toilet. Remove kitchen sink, dishwasher and gas range.replace with new fixtures”
- Alteration, filed Feb 18, 2022, estimated cost $75K, described as “Genral construction work as shown on plans to include renovation of RESIDENT1AL unit 1H on the first floor. Remove and install non-structural partitions. No change in use,egress or occupancy”
- Alteration, filed Jan 25, 2022, estimated cost $10K, described as “Filing herewith structural work as indicated on the drawings. No change in use egress or occupancy”
5 more, older permits are in this building’s full list on the map.
Property taxes
- Assessment
- $13,691,250
- 2026–27 tax
- $1,292,372
- Market value (city estimate)
- $30,425,000
- Taxable value
- $12,276,144
- Assessed land
- $2,529,000
- Assessed improvements
- $11,162,250
Tax breaks
- Co-op and condo abatement, with no end date, a $235,382 credit this tax year.
Zoning
C1-9 (part of the lot is R10A): floor area ratio 9.57 built, 10.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Sep 4, 2026: $690,000
- Aug 17, 2026: $975,000
- Jul 29, 2026: $3,050,000
- Sep 23, 2025: $825,000
- Aug 15, 2025: $850,000
- Jan 22, 2025: $1,450,000
- Jun 11, 2024: $1,700,000
- Sep 22, 2023: $755,000
- Sep 11, 2023: $1,750,000
- Aug 11, 2023: $3,250,000
The 10 most recent of 47 open-market sales since 2016, from the Department of Finance’s sales files.