Permit Record

New Construction Residential Sf

21 Gwenn Loop, Staten Island, NY

ClassificationNBResidential New (Single-Family)
Reliable valueNot in source
ContractorNot in source
Permit record
Parties
Contractor
Not in source
Applicant
Not in source
Owner
N/a
Architect
Not in source
Engineer
Peter Calvanico PC
Contractor license
Not in source
Building & lot · PLUTO
Building class
A5
Zoning district
R3-2
Lot area
3,550 sq ft
Year built
2004
Units (total)
1
Units (residential)
1
Units (commercial)
Not in source
Floor area
1,830 sq ft
Parcel & enrichment
Parcel APN
5019650099
Climate zone (IECC)
4A
Roof area (est.)
700 sq ft
HVAC tonnage (est.)
2.5 tons
Building type
R
Building subtype
1-2-3 FAMILY
Geocode & dates
Coordinates
40.5890, -74.1427
Geocode confidence
95%
Geocode source
Not in source
Issued
Feb 17, 2005
Applied
Jul 9, 2004
Work class
Residential
Status
Current status
finaled
Source status
SIGNED OFF
Finaled
Oct 18, 2006
Provenance
First seen by PermitCore
May 6, 2026 · 18:47 UTC
Last seen
May 15, 2026 · 05:00 UTC
Last changed
May 11, 2026 · 22:31 UTC

Open in New York City source →

Data-quality checks1 of 12 flagged

1 of 12 data-quality checks flagged on this permit. Detail below.

Valuation is placeholder
valuation_usd_is_placeholder

valuation_usd matched a known placeholder (often 0 or 1) used by the source when the real valuation wasn't reported.

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
Project timeline at this parcel

6 permits at this parcel (parcel 5019650099) · Jul 30, 2004 – Feb 17, 2005

  1. Feb 17, 2005This permitNew Construction Residential Sf · Finaled
  2. Feb 17, 2005legacy_jobs:1513642New Construction Residential Sf · Finaled
  3. Feb 17, 2005legacy_jobs:1454726New Construction Residential Sf · Finaled
  4. Feb 17, 20051775966MEP Plumbing · IssuedPipe Rite CORP
  5. Dec 27, 2004269941New Construction Unknown · IssuedForest Hill Green Building CORP
  6. Jul 30, 20041734755New Construction Unknown · IssuedH & H Construction CORP

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

Developer details
Permit #
legacy_jobs:1513633
Canonical ID
1:legacy_jobs:1513633
Source permit ID
legacy_jobs:1513633
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