Permit Record

Building permit

520 5 Avenue, Brooklyn, NY 11215

ClassificationOT
Reliable valueNot in source
ContractorGemstar
Permit record
Parties
Contractor
Gemstar
Applicant
John Saia
Owner
4710 Realty CORP
Architect
Not in source
Engineer
Not in source
Contractor license
0003189
Building & lot · PLUTO
Building class
K1
Zoning district
C4-3A
Lot area
2,446 sq ft
Year built
1931
Units (total)
1
Units (residential)
0
Units (commercial)
Not in source
Floor area
Not in source
Parcel & enrichment
Parcel APN
3010340039
Climate zone (IECC)
4A
Roof area (est.)
2,446 sq ft
HVAC tonnage (est.)
6 tons
Building type
M
Building subtype
Not in source
Geocode & dates
Coordinates
40.6666, -73.9884
Geocode confidence
95%
Geocode source
Not in source
Issued
Oct 18, 2007
Applied
Oct 18, 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 · 17:06 UTC
Last seen
Jul 17, 2026 · 02:38 UTC
Last changed
May 2, 2026 · 17:06 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.

Residential units is placeholder
units_residential_is_placeholder

units_residential matched a known placeholder value used by the source when the field 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
  • Total units out of bounds
  • Total units is placeholder
  • Valuation out of bounds
  • Valuation is placeholder
Project timeline at this parcel

15 permits at this parcel (parcel 3010340039) · through Jan 28, 2014

  1. Jan 28, 20141020887MEP Plumbing · IssuedMpc Plumbing & Heating In
  2. Apr 6, 2011legacy_jobs:2053312Alteration Commercial · Finaled$10,000
  3. Apr 6, 20112385474MEP Plumbing · IssuedValley Plumbing INC
  4. Apr 6, 2011legacy_jobs:2053321Alteration Commercial · Finaled$10,000
  5. Mar 21, 20112376609Other · IssuedBig Services INC
  6. Dec 21, 2007legacy_jobs:1091584Alteration Commercial · Finaled$3,000
  7. Dec 21, 20071382836Sign · IssuedNorth Shore Neon Sign CO
  8. Dec 21, 20071364129Other · IssuedNorth Shore Neon Sign CO
  9. Nov 13, 20071141421MEP Plumbing · IssuedMpc
  10. Nov 13, 2007legacy_jobs:1087061Alteration Commercial · Finaled$76,000
  11. Oct 18, 2007This permitOther · IssuedGemstar
  12. Oct 18, 2007656032MEP Mechanical HVAC · IssuedGemstar
  13. Sep 7, 2007legacy_jobs:1084244Alteration Commercial · Finaled$25,000
  14. Sep 7, 20071232041Other · IssuedLeon Construction
  15. Date not usable in source764384MEP Mechanical HVAC · IssuedA&w Systems

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

Other permits by Gemstar

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Developer details
Permit #
655846
Canonical ID
1:655846
Source permit ID
655846
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