Permit Record

MEP Plumbing

447 Jefferson Avenue, Brooklyn, NY 11221

ClassificationPLMultifamily Alteration
Reliable valueNot in source
ContractorAljer Plbg & Htg CORP →
Permit record
Parties
Contractor
Aljer Plbg & Htg CORP
Applicant
Alvin Wittlin
Owner
447 Jefferson LLC
Architect
Not in source
Engineer
Not in source
Contractor license
0000494
Building & lot · PLUTO
Building class
C1
Zoning district
R6B
Lot area
3,108 sq ft
Year built
1931
Units (total)
8
Units (residential)
8
Units (commercial)
Not in source
Floor area
Not in source
Parcel & enrichment
Parcel APN
3018310070
Climate zone (IECC)
4A
Roof area (est.)
2,487 sq ft
HVAC tonnage (est.)
16.5 tons
Building type
R
Building subtype
Not in source
Geocode & dates
Coordinates
40.6844, -73.9400
Geocode confidence
95%
Geocode source
Not in source
Issued
May 16, 2016
Applied
May 16, 2016
Work class
Residential
Status
Current status
issued
Source status
ISSUED
Expired
May 16, 2017
Provenance
First seen by PermitCore
May 2, 2026 · 16:07 UTC
Last seen
Jul 17, 2026 · 02:27 UTC
Last changed
May 2, 2026 · 16:07 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

28 permits at this parcel (parcel 3018310070) · Dec 16, 2008 – Aug 10, 2017

  1. Aug 10, 20173420822MEP Plumbing · IssuedJmw Plumbing, INC
  2. Jun 9, 20173384570MEP Plumbing · IssuedAljer Plbg & Htg CORP
  3. Nov 23, 20163276177MEP Plumbing · IssuedTw Plumbing & Heating INC
  4. Oct 27, 20163261205Other · IssuedCel Services INC
  5. May 16, 2016This permitMEP Plumbing · IssuedAljer Plbg & Htg CORP
  6. Oct 23, 20153058874MEP Plumbing · IssuedCitywide Plumbing Nyc Cor
  7. Oct 23, 2015legacy_jobs:2568812Alteration Residential · Finaled$364,400
  8. Oct 13, 20153051497Other · IssuedKings Star Construction C
  9. Jan 7, 20152906520MEP Plumbing · IssuedAljer Plbg & Htg CORP
  10. Jan 7, 2015legacy_jobs:2379230Alteration Residential · Finaled$249,900
  11. Nov 10, 20142881154Other · IssuedIllan-Sp CORP
  12. Mar 19, 20102227967MEP Plumbing · IssuedC2 Plumbing CORP
  13. Mar 19, 20102227961MEP Plumbing · IssuedC2 Plumbing CORP
  14. Feb 3, 2009218135Other · IssuedApple Builders CORP
  15. Feb 3, 2009218074Other · IssuedApple Builders CORP
  16. Jan 27, 2009legacy_jobs:1598381Alteration Residential · Finaled$65,000
  17. Jan 27, 2009151040MEP Plumbing · IssuedC2 Plumbing CORP
  18. Jan 27, 2009legacy_jobs:1598390Alteration Residential · Finaled$65,000
  19. Jan 23, 2009116993MEP Mechanical HVAC · IssuedApple Builders CORP
  20. Jan 23, 2009116905Other · IssuedApple Builders CORP
  21. Dec 19, 2008legacy_jobs:1645486Alteration Residential · Finaled$70,000
  22. Dec 19, 2008legacy_jobs:1645477Alteration Residential · Finaled$70,000
  23. Dec 19, 20082139702MEP Plumbing · IssuedC2 Plumbing CORP
  24. Dec 16, 20082138070Other · IssuedApple Builders CORP
  25. Dec 16, 20082138071MEP Mechanical HVAC · Re-issuedApple Builders CORP
  26. Date not in sourcelegacy_jobs:1645519Alteration Residential · Finaled$91,000
  27. Date not in sourcelegacy_jobs:1598461Alteration Residential · Finaled$20,000
  28. Date not in sourcelegacy_jobs:1645510Alteration Residential · Finaled$91,000

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

Other permits by Aljer Plbg & Htg CORP

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Developer details
Permit #
3167109
Canonical ID
1:3167109
Source permit ID
3167109
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