Permit Record

Structural

181 Nassau Avenue, Brooklyn, NY 11222

ClassificationAlteration
Reliable value$89,904
Permit record
Parties
Applicant
Piotr Siwiec
Owner
Not Applicable
Architect
Not in source
Engineer
Not in source
Contractor license
609527
Building & lot · PLUTO
Building class
S2
Zoning district
R6B
Lot area
1,231 sq ft
Year built
1910
Units (total)
3
Units (residential)
2
Units (commercial)
Not in source
Floor area
Not in source
Parcel & enrichment
Parcel APN
3026520027
Climate zone (IECC)
4A
Roof area (est.)
557 sq ft
HVAC tonnage (est.)
4 tons
Building type
R
Building subtype
Not in source
Geocode & dates
Coordinates
40.7254, -73.9460
Geocode confidence
95%
Geocode source
Not in source
Issued
Aug 19, 2026
Applied
Not in source
Work class
Not in source
Description
Source description

Application filed for PERMANENT REPAIRS to rebuild party wall between buildings 181 & 183 Nassau Avenue and reinforce existing floor joists as per plans. Plans have been submitted and reviewed by DOB CSE unit. No change in use occupancy or egress.

Status
Current status
issued
Source status
Permit Issued
Expired
Nov 3, 2026
Provenance
First seen (no changes since)
Aug 21, 2026 · 09:54 UTC
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
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Developer details
Permit #
981206482|Structural
Canonical ID
1:981206482|Structural
Source permit ID
981206482|Structural
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