Permit Record

Alteration Commercial

504 Humboldt Street, Brooklyn, NY 11222

ClassificationALMultifamily Alteration
Reliable valueNot in source
ContractorSk One Construction INC →
Permit record
Parties
Contractor
Sk One Construction INC
Applicant
De Bin Xie
Owner
St. Nicholas W 126 St. LP.
Architect
Not in source
Engineer
Not in source
Contractor license
0606861
Building & lot · PLUTO
Building class
C1
Zoning district
R6B
Lot area
2,450 sq ft
Year built
1910
Units (total)
7
Units (residential)
7
Units (commercial)
Not in source
Floor area
Not in source
Parcel & enrichment
Parcel APN
3028310033
Climate zone (IECC)
4A
Roof area (est.)
1,409 sq ft
HVAC tonnage (est.)
9.5 tons
Building type
R
Building subtype
Not in source
Geocode & dates
Coordinates
40.7194, -73.9437
Geocode confidence
95%
Geocode source
Not in source
Issued
Apr 15, 2016
Applied
Apr 15, 2016
Work class
Residential
Status
Current status
issued
Source status
ISSUED
Expired
Apr 20, 2017
Provenance
First seen by PermitCore
May 2, 2026 · 16:06 UTC
Last seen
Jul 17, 2026 · 02:27 UTC
Last changed
May 3, 2026 · 03:18 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

12 permits at this parcel (parcel 3028310033) · Mar 16, 2015 – Apr 15, 2016

  1. Apr 15, 2016This permitAlteration Commercial · IssuedSk One Construction INC
  2. Jul 3, 2015legacy_jobs:2517547Alteration Residential · Finaled$9,675
  3. Jul 3, 20152998246MEP Plumbing · IssuedQmb Plumbing & Heating In
  4. Jun 29, 20152995120Foundation Only · IssuedSk One Construction INC
  5. Jun 29, 20152995122Alteration Commercial · IssuedSk One Construction INC
  6. Jun 29, 20152995115Foundation Only · IssuedSk One Construction INC
  7. Jun 29, 20152994789Construction Equipment · IssuedSk One Construction INC
  8. Mar 16, 2015legacy_jobs:2471192Alteration Commercial · Finaled$100,000
  9. Mar 16, 20152936542Other · IssuedSk One Construction INC
  10. Mar 16, 2015legacy_jobs:2471183Alteration Commercial · Finaled$100,000
  11. Date not in sourcelegacy_jobs:2454792Alteration Commercial · Finaled
  12. Date not in sourcelegacy_jobs:2455946Alteration Commercial · Finaled

Full permit history at this parcel · as of Jul 18, 2026.

Other permits by Sk One Construction INC

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 #
3150814
Canonical ID
1:3150814
Source permit ID
3150814
Browse New York City permits in the Market Explorer →Pull this permit via /v1/permits →