Permit Record

Building permit

399 Cumberland Street, Brooklyn, NY 11238

ClassificationOTMultifamily Alteration
Reliable valueNot in source
ContractorKnockout Renovation
Permit record
Parties
Contractor
Knockout Renovation
Applicant
Keith Stier
Owner
N/a
Architect
Not in source
Engineer
Not in source
Contractor license
0014044
Building & lot · PLUTO
Building class
C0
Zoning district
R7-2
Lot area
1,960 sq ft
Year built
1996
Units (total)
3
Units (residential)
3
Units (commercial)
Not in source
Floor area
Not in source
Parcel & enrichment
Parcel APN
3020060112
Climate zone (IECC)
4A
Roof area (est.)
675 sq ft
HVAC tonnage (est.)
4.5 tons
Building type
R
Building subtype
Not in source
Geocode & dates
Coordinates
40.6835, -73.9719
Geocode confidence
95%
Geocode source
Not in source
Issued
Not in source
Applied
Not in source
Work class
Not in source
Status
Current status
issued
Source status
ISSUED
Expired
May 14, 2000
Provenance
First seen by PermitCore
May 2, 2026 · 14:25 UTC
Last seen
Jul 17, 2026 · 16:48 UTC
Last changed
May 2, 2026 · 14:25 UTC

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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

4 permits at this parcel (parcel 3020060112)

  1. Date not usable in sourceThis permitOther · IssuedKnockout Renovation
  2. Date not usable in source908041MEP Plumbing · IssuedMedco Plumbing INC
  3. Date not usable in source798023MEP Plumbing · IssuedMedco Plumbing INC
  4. Date not usable in source754081New Construction Unknown · IssuedMonadnock Construction INC.

Full permit history at this parcel · as of Jul 18, 2026.

Other permits by Knockout Renovation

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Developer details
Permit #
1209695
Canonical ID
1:1209695
Source permit ID
1209695
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