Permit Record

Alteration Commercial

453 7 Avenue, Brooklyn, NY 11215

ClassificationFPMultifamily Fire Protection
Reliable valueNot in source
ContractorN Y Business Fire System INC →
Permit record
Parties
Contractor
N Y Business Fire System INC
Applicant
Charles Zhou
Owner
Arnold Rosemshein
Architect
Not in source
Engineer
Not in source
Contractor license
0000504
Building & lot · PLUTO
Building class
C7
Zoning district
R6A
Lot area
2,421 sq ft
Year built
1921
Units (total)
16
Units (residential)
14
Units (commercial)
Not in source
Floor area
Not in source
Parcel & enrichment
Parcel APN
3011040002
Climate zone (IECC)
4A
Roof area (est.)
1,433 sq ft
HVAC tonnage (est.)
9.5 tons
Building type
R
Building subtype
Not in source
Geocode & dates
Coordinates
40.6628, -73.9850
Geocode confidence
95%
Geocode source
Not in source
Issued
Apr 10, 2007
Applied
Apr 10, 2007
Work class
Not in source
Status
Current status
issued
Source status
ISSUED
Expired
Apr 1, 2008
Provenance
First seen by PermitCore
May 2, 2026 · 17:23 UTC
Last seen
Jul 17, 2026 · 02:42 UTC
Last changed
May 2, 2026 · 17:23 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 3011040002) · Nov 1, 2001 – Apr 10, 2007

  1. Apr 10, 2007legacy_jobs:1073731Alteration Commercial · Finaled$2,800
  2. Apr 10, 2007This permitAlteration Commercial · IssuedN Y Business Fire System INC
  3. Apr 10, 2007legacy_jobs:1073740Alteration Commercial · Finaled$2,800
  4. Nov 1, 20011482635Other · IssuedHsu & Assocs
  5. Date not in sourcelegacy_jobs:932875Alteration Commercial · Issued$3,000

Full permit history at this parcel · as of Jul 9, 2026.

Other permits by N Y Business Fire System INC

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Developer details
Permit #
957265
Canonical ID
1:957265
Source permit ID
957265
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