Permit Record

Residential

436 West 23rd Street, Manhattan, NY 10011

ClassificationOTMultifamily Alteration
Reliable valueNot in source
ContractorLhotse CORP →
Permit record
Parties
Contractor
Lhotse CORP
Applicant
Zibby Chrzanowski
Owner
436 West 23rd Street Tenants Cor
Architect
Not in source
Engineer
Not in source
Contractor license
0606195
Building & lot · PLUTO
Building class
C6
Zoning district
R7B
Lot area
2,452 sq ft
Year built
1854
Units (total)
5
Units (residential)
5
Units (commercial)
Not in source
Floor area
Not in source
Parcel & enrichment
Parcel APN
1007200065
Climate zone (IECC)
4A
Roof area (est.)
1,811 sq ft
HVAC tonnage (est.)
12 tons
Building type
R
Building subtype
Not in source
Geocode & dates
Coordinates
40.7470, -74.0025
Geocode confidence
95%
Geocode source
Not in source
Issued
Apr 20, 2012
Applied
Apr 20, 2012
Work class
Residential
Status
Current status
issued
Source status
ISSUED
Expired
Aug 9, 2012
Provenance
First seen by PermitCore
May 2, 2026 · 15:34 UTC
Last seen
Jul 17, 2026 · 17:45 UTC
Last changed
May 2, 2026 · 15:34 UTC

Open in New York City source →

Data-quality checks0 of 12 flagged

0 of 12 data-quality rules flagged anything on this permit.

Checks not flagged

  • Geocode out of bounds
  • Geocode is sentinel
  • Issued date in the future
  • Issued date parse bug
  • Issued date is placeholder
  • Commercial units is placeholder
  • Residential units out of bounds
  • Residential units is placeholder
  • Total units out of bounds
  • Total units is placeholder
  • Valuation out of bounds
  • Valuation is placeholder
Project timeline at this parcel

7 permits at this parcel (parcel 1007200065) · Apr 4, 2012 – Apr 20, 2012

  1. Apr 20, 2012This permitOther · IssuedLhotse CORP
  2. Apr 20, 2012legacy_jobs:1956970Alteration Residential · Finaled$43,273
  3. Apr 20, 2012legacy_jobs:2061436Alteration Residential · Finaled$43,273
  4. Apr 20, 2012legacy_jobs:2061427Alteration Residential · Finaled$43,273
  5. Apr 4, 2012legacy_jobs:2007436Temporary · Issued
  6. Apr 4, 20122541630Construction Equipment · IssuedLhotse CORP
  7. Apr 4, 2012legacy_jobs:2084641Temporary · Issued

Full permit history at this parcel · as of Jul 19, 2026.

Other permits by Lhotse CORP

Showing up to 12 most-recent permits by this contractor in the indexed window

No other permits by this contractor in the indexed window.
Developer details
Permit #
2549190
Canonical ID
1:2549190
Source permit ID
2549190
Browse New York City permits in the Market Explorer →Pull this permit via /v1/permits →