Permit Record

General Construction

893 Knickerbocker Avenue, Brooklyn, NY 11207

ClassificationGeneral ConstructionMultifamily Alteration
Reliable value$710,250
ContractorEast Coast Management* →
Permit record
Parties
Contractor
East Coast Management*
Applicant
Nir Sapir
Owner
N/a
Architect
Not in source
Engineer
Not in source
Contractor license
624197
Building & lot · PLUTO
Building class
C2
Zoning district
R6
Lot area
2,000 sq ft
Year built
1910
Units (total)
5
Units (residential)
5
Units (commercial)
Not in source
Floor area
Not in source
Parcel & enrichment
Parcel APN
3034370004
Climate zone (IECC)
4A
Roof area (est.)
1,143 sq ft
HVAC tonnage (est.)
7.5 tons
Building type
R
Building subtype
Not in source
Geocode & dates
Coordinates
40.6910, -73.9046
Geocode confidence
95%
Geocode source
Not in source
Issued
Aug 2, 2023
Applied
Not in source
Work class
Residential
Description
Source description

New vertical and horizontal enlargement for 4 story w/ penthouse, 5 dwelling unit on existing 2 family 2 story w/ cellar building,

Status
Current status
issued
Source status
Permit Issued
Expired
Aug 2, 2024
Provenance
First seen by PermitCore
May 2, 2026 · 10:07 UTC
Last seen
May 12, 2026 · 00:12 UTC
Last changed
May 12, 2026 · 00:12 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

16 permits at this parcel (parcel 3034370004) · Jul 22, 2003 – Aug 2, 2023

  1. Aug 2, 2023This permitAlteration Residential · Issued$710,250East Coast Management*
  2. Jul 20, 2023733818048Sidewalk Shed · Finaled$5,000Universal Systems INC
  3. Jul 12, 2023570727827MEP Plumbing · Finaled$100,000A&h Express Plbg&htg CORP
  4. Jul 12, 2023570727827Alteration Commercial · Finaled$100,000A&h Express Plbg&htg CORP
  5. Jun 27, 2023731671174MEP Plumbing · Finaled$100,000Eh Plumbing & Heating Cor
  6. Jun 27, 2023731671174Alteration Commercial · Finaled$100,000Eh Plumbing & Heating Cor
  7. Jun 16, 2023779676542MEP Mechanical HVAC · Finaled$100,000East Coast Management*
  8. Jun 1, 2023593230878Alteration Residential · Issued$710,250East Coast Management*
  9. May 31, 2023837485369Other · Finaled$50,000East Coast Management*
  10. May 31, 2023409693254Other · Finaled$30,000East Coast Management*
  11. May 31, 2023459859832Alteration Commercial · Finaled$150,000East Coast Management*
  12. May 31, 2023837485369Foundation Only · Finaled$50,000East Coast Management*
  13. May 30, 2023380356856Construction Fence · Finaled$1,000East Coast Management*
  14. Apr 21, 2023legacy_jobs:3377423Alteration Commercial · Finaled
  15. Jul 22, 20031666401Other · IssuedJ C Construction
  16. Date not in sourcelegacy_jobs:977791Alteration Residential · Issued$16,000

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

Other permits by East Coast Management*

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Developer details
Permit #
877606788|General Construction
Canonical ID
1:877606788|General Construction
Source permit ID
877606788|General Construction
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