436 West 20th Street, Manhattan
Apartment building · 7 units · built c. 1835 · Block 717, Lot 62.
Building permits
- Alteration, filed Jun 9, 2023, estimated cost $5K, described as “Proposed installation of heavy duty sidewalk shed as per plans. Live load 300 lbs per square feet. Sidewalk shed shall comply with chapter #33 of the NYC building code. No change in use, occupancy, or egress under this application.”
- Alteration, filed Jun 9, 2023, estimated cost $7K, described as “Proposed installation of temporary pipe scaffold as per plans. Work shall comply with chapter #33 of the NYC building code. No change in use, occupancy, or egress under this application.”
- Alteration, filed Jun 9, 2023, estimated cost $5K, described as “Installation of temporary construction fence as per plans. No change in use, occupancy, or egress under this application.”
- Alteration, filed Jan 7, 2022, estimated cost $529K, described as “Propose conversion of existing multi-family to a single family house with general construction works; no change of existing bulk & building height. Obtain a new c of o as required.”
Property taxes
- Assessment
- $2,176,200
- 2026–27 tax
- $65,954
- Market value (city estimate)
- $4,836,000
- Taxable value
- $530,221
- Assessed land
- $266,850
- Assessed improvements
- $1,909,350
Zoning
R7B (part of the lot is R8A): floor area ratio 2.04 built, 3.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard. FEMA’s preliminary map: zone AE, high risk: a 1% chance of flooding each year, base flood elevation 10 ft (NAVD88).
Landmarks
Part of Chelsea Historic District (Historic District). 19 Landmarks Preservation Commission permits are on file.