Permit Record

Alteration Commercial

441 West 50 Street, Manhattan, NY 10019

ClassificationALMultifamily Alteration
Reliable valueNot in source
ContractorSackman Enterprises →
Permit record
Parties
Contractor
Sackman Enterprises
Applicant
James Hefelfinger
Owner
Bull Run Realty, LLC
Architect
Not in source
Engineer
Not in source
Contractor license
0004129
Building & lot · PLUTO
Building class
C4
Zoning district
R8
Lot area
2,510 sq ft
Year built
1901
Units (total)
8
Units (residential)
8
Units (commercial)
Not in source
Floor area
Not in source
Parcel & enrichment
Parcel APN
1010600012
Climate zone (IECC)
4A
Roof area (est.)
2,113 sq ft
HVAC tonnage (est.)
14 tons
Building type
R
Building subtype
Not in source
Geocode & dates
Coordinates
40.7640, -73.9902
Geocode confidence
95%
Geocode source
Not in source
Issued
Not in source
Applied
Not in source
Work class
Residential
Status
Current status
issued
Source status
ISSUED
Expired
Sep 1, 2000
Provenance
First seen by PermitCore
May 6, 2026 · 17:58 UTC
Last seen
Jul 17, 2026 · 16:50 UTC
Last changed
May 6, 2026 · 17:58 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

5 permits at this parcel (parcel 1010600012) · through Feb 22, 2024

  1. Feb 22, 2024842272879MEP Plumbing · Finaled$25,000Osso Plumbing & Heating
  2. Nov 21, 2023189523301Alteration Residential · Issued$10,000Escobar Construction LLC
  3. Feb 8, 20001288559MEP Plumbing · IssuedHassel Plg CORP
  4. Date not usable in sourceThis permitAlteration Commercial · IssuedSackman Enterprises
  5. Date not usable in source1226249Construction Equipment · IssuedSackman Enterprises

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

Other permits by Sackman Enterprises

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Developer details
Permit #
1226277
Canonical ID
1:1226277
Source permit ID
1226277
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