Permit Record

Mechanical Systems

180 Underhill Avenue, Brooklyn, NY 11238

ClassificationMechanical SystemsMultifamily Alteration
Reliable value$150,000
Permit record
Parties
Applicant
Jiankun Wu
Owner
Not Applicable
Architect
Not in source
Engineer
Not in source
Contractor license
609521
Building & lot · PLUTO
Building class
S2
Zoning district
R8X
Lot area
1,942 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
3011710053
Climate zone (IECC)
4A
Roof area (est.)
1,029 sq ft
HVAC tonnage (est.)
7 tons
Building type
R
Building subtype
Not in source
Geocode & dates
Coordinates
40.6751, -73.9667
Geocode confidence
95%
Geocode source
Not in source
Issued
Mar 27, 2026
Applied
Not in source
Work class
Residential
Description
Source description

INSTALL NEW OUTDOOR CONDENSERS AND INDOOR AIR HANDLERS FOR SECOND AND THIRD FLOOR APARTMENTS. NO CHANGE OF USE, EGRESS OR OCCUPANCY.

Status
Current status
finaled
Source status
Signed-off
Finaled
Oct 6, 2025
Expired
Oct 4, 2026
Provenance
First seen by PermitCore
May 2, 2026 · 10:05 UTC
Last seen
Jun 28, 2026 · 11:30 UTC
Last changed
Jun 24, 2026 · 12:02 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 #
830283699|Mechanical Systems
Canonical ID
1:830283699|Mechanical Systems
Source permit ID
830283699|Mechanical Systems
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