Permit Record

New Construction Unknown

147 11 Street, Brooklyn, NY 11215

ClassificationNew Construction Unknown
Reliable valueNot in source
ContractorKnockout Construction INC →
Permit record
Parties
Contractor
Knockout Construction INC
Applicant
Martin McMahon
Owner
N/a
Architect
Not in source
Engineer
Not in source
Contractor license
0023694
Building & lot · PLUTO
Building class
O5
Zoning district
M2-1
Lot area
2,500 sq ft
Year built
2017
Units (total)
3
Units (residential)
0
Units (commercial)
Not in source
Floor area
Not in source
Parcel & enrichment
Parcel APN
3010140062
Climate zone (IECC)
4A
Roof area (est.)
1,063 sq ft
HVAC tonnage (est.)
16.5 tons
Building type
B
Building subtype
Not in source
Geocode & dates
Coordinates
40.6707, -73.9929
Geocode confidence
95%
Geocode source
Not in source
Issued
May 8, 2018
Applied
May 2, 2018
Work class
Not in source
Status
Current status
issued
Source status
ISSUED
Expired
Apr 17, 2019
Provenance
First seen by PermitCore
May 2, 2026 · 16:29 UTC
Last seen
Jul 17, 2026 · 02:32 UTC
Last changed
Jul 16, 2026 · 23:04 UTC

Open in New York City source →

Data-quality checks1 of 12 flagged

1 of 12 data-quality checks flagged on this permit. Detail below.

Residential units is placeholder
units_residential_is_placeholder

units_residential matched a known placeholder value used by the source when the field wasn't reported.

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
  • Total units out of bounds
  • Total units is placeholder
  • Valuation out of bounds
  • Valuation is placeholder
Project timeline at this parcel

20 permits at this parcel (parcel 3010140062) · Jul 27, 2016 – May 8, 2018

  1. May 8, 2018This permitNew Construction Unknown · IssuedKnockout Construction INC
  2. May 2, 20183561312Construction Equipment · IssuedKnockout Construction INC
  3. Jan 18, 2018509279133Sidewalk Shed · Finaled$600Shah Group Enterprises In
  4. Nov 3, 2017813779656Sidewalk Shed · Finaled$600Shah Group Enterprises In
  5. Sep 8, 20173438617MEP Plumbing · IssuedSp Plumbing And Heating
  6. Sep 8, 2017legacy_jobs:2711507New Construction Commercial · Finaled
  7. Sep 8, 2017legacy_jobs:2652529New Construction Commercial · Finaled
  8. Jun 20, 2017legacy_jobs:2778626Alteration Commercial · Finaled
  9. Jun 19, 20173390100Construction Equipment · IssuedKnockout Construction INC
  10. Jun 19, 20173390103New Construction Unknown · IssuedKnockout Construction INC
  11. Jul 27, 20163208728Demolition · IssuedMalbro Const Services INC
  12. Jul 27, 20163208676Construction Equipment · IssuedMalbro Const Services INC
  13. Jul 27, 20163110851Demolition · IssuedMalbro Const Services INC
  14. Jul 27, 2016legacy_jobs:2602688Demolition · Finaled
  15. Jul 27, 20163208727Construction Equipment · IssuedMalbro Const Services INC
  16. Jul 27, 2016legacy_jobs:2602697Demolition · Finaled
  17. Date not in sourcelegacy_jobs:2713544New Construction Commercial · Finaled
  18. Date not in sourcelegacy_jobs:2602698Demolition · Finaled
  19. Date not in sourcelegacy_jobs:2713553New Construction Commercial · Finaled
  20. Date not in sourcelegacy_jobs:2602689Demolition · Finaled

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

Other permits by Knockout Construction INC

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Developer details
Permit #
3564257
Canonical ID
1:3564257
Source permit ID
3564257
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