17 West 71st Street, Manhattan
Co-op · 38 units · built c. 1923 · Block 1124, Lot 21.
Building permits
- Alteration, filed May 23, 2025, estimated cost $8K, described as “Construction equipment- sidewalk- shed proposed installation of heavy duty sidewalk shed. No change in use occupancy or egress under this application, live load 300 # per square feet. Sidewalk shed shall comply with chapter #33 of the 2022…”
- Alteration, filed Jun 25, 2024, described as “Gas hoist during masonry work”
- Alteration, filed Sep 7, 2023, estimated cost $149K, described as “New alt 2 application for general construction work to be performed in existing unit #1A on the 1st floor. Subsequent plumbing application to be filed. All in accordance with submitted plans. No changes to use, egress or occupancy under…”
- Alteration, filed Apr 19, 2023, estimated cost $15K, described as “Proposed insatllation of a temporary sidewalk shed as per plans submitted. Work shall comply with 2014 building codes, chapter 33. No change in use, egress or occupancy.”
- Alteration, filed Oct 12, 2022, estimated cost $150K, described as “Alt-2 filing for facade and bulkhead repairs.”
- Alteration, filed Jun 14, 2022, estimated cost $40K, described as “Partial Minor Interior Alteration to Unit 9B with bathroom and kitchen modifications as per plans filed herein.”
- Alteration, filed Jun 14, 2022, estimated cost $250K, described as “Partial Minor Interior Alteration to Unit 9B with one new window opening, new HVAC wall opening, alteration to one window opening, closing up one HVAC wall opening.”
- Alteration, filed Jun 14, 2022, estimated cost $65K, described as “Partial Minor Interior Alteration to Unit 9B with new HVAC, Kitchen Exhaust, and Toilet Exhaust.”
- Alteration, filed Nov 1, 2021, estimated cost $12K, described as “Renovate bathroom and walk-in closet at 5TH floor. Through-wall mechanical vent at bathroom. No change to occupancy, use or egress under this application”
- Alteration, filed Oct 13, 2021, estimated cost $4K, described as “Replace toilet. New shower and lavatories”
- Alteration, filed Aug 26, 2021, estimated cost $65K, described as “Interior renovation of apartment. No change in use, egress or occupancy”
- Alteration, filed Apr 11, 2021, estimated cost $4K, described as “Plumbing filed inconjunction with alt type two application in apt 8D.”
- Alteration, filed Mar 26, 2021, estimated cost $53K, described as “(APT# 8d) to include: the renovation and expansion of the kitchen, renovation and expansion of the bathroom, removal and construction of partitions, construction of walk-in closet in master bedroom, replacement of doors throughout,…”
- Alteration, filed Aug 22, 2020, estimated cost $68K, described as “Install 2 new Condensers and 2 Air Handler units with related duct work @ 3rd floor as per plans. No change to use occupancy or egress under this application.”
- Alteration, filed Jul 14, 2020, estimated cost $30K, described as “Install plumbing work in conjunction with Alt II# 140899400.”
- Alteration, filed Mar 16, 2020, estimated cost $15K, described as “Filed to direct replace plumbing fixtures at third floor as per plans. No change in use, occupancy or egress under this application.”
Property taxes
- Assessment
- $8,313,750
- 2026–27 tax
- $821,712
- Market value (city estimate)
- $18,475,000
- Taxable value
- $7,655,710
- Assessed land
- $1,750,500
- Assessed improvements
- $6,563,250
Tax breaks
- Co-op and condo abatement, with no end date, a $130,755 credit this tax year.
Zoning
R8B: floor area ratio 6.69 built, above the 4.00 base zoning allows, which bonuses, transfers or older rules can permit.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Oct 22, 2025: $2,000,000
- Apr 17, 2025: $1,800,000
- Feb 18, 2025: $1,850,000
- Mar 10, 2022: $1,630,000
- Jan 20, 2022: $1,649,000
- Sep 21, 2020: $1,730,000, Apt 3D
- Dec 3, 2019: $4,170,000
- Nov 7, 2019: $3,240,000
- Nov 14, 2018: $1,650,000
- Feb 17, 2017: $3,800,000
Open-market sales since 2016, from the Department of Finance’s sales files.
Landmarks
Part of Upper West Side/Central Park West Historic District (Historic District). 50 Landmarks Preservation Commission permits are on file.