334 West 86th Street, Manhattan
Co-op · 45 units · built c. 1924 · Block 1247, Lot 50.
Building permits
- Alteration, filed Jul 6, 2026, estimated cost $75K, described as “Interior renovation of existing 5TH floor apartment in existing multi-family building. No change in egress, occupancy, or use.”
- Alteration, filed Apr 30, 2026, estimated cost $150K, described as “Alt type 2. Upgrade existing kitchen. Re-wire apartment. New kitchen appliances< cabinets & finishes. No change to egress use or occupancy.”
- Alteration, filed Dec 2, 2025, estimated cost $6K, described as “OT: Interior Renovation of Bathroom in Apartment 11B. No change in use, occupancy, or egress,”
- Alteration, filed May 30, 2025, estimated cost $250K, described as “Proposed renovation of the existing unit #6B includes reconfiguration of kitchen, reconfiguration & replacement of plumbing fixtures in the primary bathroom. Addition of a secondary bathroom. Reconfiguration of secondary bedroom. Powder Rm…”
- Alteration, filed Jan 22, 2025, estimated cost $60K, described as “Interior renovation of apartment 12C. New finishes, fixtures, and partitions per plans.”
- Alteration, filed Mar 13, 2024, estimated cost $10K, described as “Herewith filed alteration application for minor interior renovations to apartment 8B. Work to include general construction & finishes; no change to egress, use, or occupancy.”
- Alteration, filed Aug 25, 2022, estimated cost $29K, described as “Install 5 clothes washer machines , 5 gas dryers with piping and venting to exterior. For tenant accessory-use only. No change in egress, use or occupancy.with piping”
- Alteration, filed Nov 3, 2021, described as “Installation of temporary sidewalk shed as per plans. No change in use, egress or occupancy.”
- Alteration, filed Jul 15, 2021, estimated cost $39K, described as “Renovate existing apt 7C bathrooms, new floor & wall tile new builtins - new through wall penetrations for bathroom vents - new bathroom exhaust fans no change to egress use or occupancy”
- Alteration, filed Sep 24, 2019, 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 the NYC building code.live load 300PSF.”
Property taxes
- Assessment
- $8,339,400
- 2026–27 tax
- $879,013
- Market value (city estimate)
- $18,532,000
- Taxable value
- $8,114,743
- Assessed land
- $1,220,400
- Assessed improvements
- $7,119,000
Tax breaks
- Co-op and condo abatement, with no end date, a $130,734 credit this tax year.
Zoning
R10A: floor area ratio 10.77 built, above the 10.00 base zoning allows, which bonuses, transfers or older rules can permit.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- May 30, 2025: $1,375,000
- Apr 3, 2025: $1,320,000
- Feb 12, 2025: $1,585,000
- Jan 8, 2025: $3,200,000
- Nov 26, 2024: $500,000
- Jul 30, 2024: $1,610,000
- Nov 3, 2023: $1,760,000
- May 25, 2023: $1,660,000
- Sep 8, 2022: $2,900,000
- Jul 20, 2022: $1,410,000
The 10 most recent of 20 open-market sales since 2016, from the Department of Finance’s sales files.
Landmarks
Part of Riverside-West End Historic District Extension I (Historic District). 34 Landmarks Preservation Commission permits are on file.