Permit Record

Building permit

5002 Church Avenue, Brooklyn, NY 11203

ClassificationOT
Reliable valueNot in source
ContractorKnockout Construction INC →
Permit record
Parties
Contractor
Knockout Construction INC
Applicant
Martin McMahon
Owner
Owner
Architect
Not in source
Engineer
Not in source
Contractor license
0023694
Building & lot · PLUTO
Building class
K2
Zoning district
R5
Lot area
9,882 sq ft
Year built
1952
Units (total)
5
Units (residential)
0
Units (commercial)
Not in source
Floor area
Not in source
Parcel & enrichment
Parcel APN
3046980064
Climate zone (IECC)
4A
Roof area (est.)
19,765 sq ft
HVAC tonnage (est.)
49.5 tons
Building type
M
Building subtype
Not in source
Geocode & dates
Coordinates
40.6518, -73.9302
Geocode confidence
95%
Geocode source
Not in source
Issued
Apr 8, 2010
Applied
Apr 8, 2010
Work class
Not in source
Status
Current status
issued
Source status
ISSUED
Expired
Jun 10, 2010
Provenance
First seen by PermitCore
May 2, 2026 · 15:18 UTC
Last seen
Jul 17, 2026 · 17:36 UTC
Last changed
May 2, 2026 · 15:18 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

61 permits at this parcel (parcel 3046980064) · through Apr 22, 2021

  1. Apr 22, 2021503199913MEP Plumbing · Finaled$22,500Pro Plumbing And Heating
  2. Apr 22, 2021233498181MEP Plumbing · Finaled$22,500Pro Plumbing And Htg INC
  3. Apr 22, 2021503199913Alteration Commercial · Finaled$22,500Pro Plumbing And Heating
  4. Apr 22, 2021233498181Alteration Commercial · Finaled$22,500Pro Plumbing And Htg INC
  5. Apr 9, 2021367828953Construction Fence · Finaled$1,000Cityscape Builders LLC
  6. Apr 6, 2021350775815MEP Mechanical HVAC · Finaled$35,000Cityscape Builders LLC
  7. Apr 6, 2021163559398Alteration Commercial · Finaled$127,930Cityscape Builders LLC
  8. May 19, 20203756534Construction Equipment · IssuedGreenside CORP
  9. May 19, 20203756535Other · IssuedGreenside CORP
  10. Apr 13, 2020936592541Sidewalk Shed · FinaledGreenside CORP
  11. May 16, 2018legacy_jobs:3006786Alteration Commercial · Finaled$253,475
  12. May 16, 20183569503MEP Plumbing · IssuedTri State Plbg & Htg INC
  13. May 16, 2018legacy_jobs:2935012Alteration Commercial · Finaled$253,475
  14. May 16, 2018legacy_jobs:3006777Alteration Commercial · Finaled$253,475
  15. May 16, 20183569502Alteration Commercial · IssuedRrp Plumbing CORP
  16. Apr 25, 2018456687245Construction Fence · Finaled$5,000Michelle Kuo CORP
  17. Apr 25, 2018303017686Temporary Sign · Finaled$2,500Capitol Design & Maint In
  18. Apr 20, 20183555198Other · IssuedMichelle Kuo CORP
  19. Apr 20, 20183555196MEP Mechanical HVAC · IssuedMichelle Kuo CORP
  20. Apr 11, 20173349389Other · IssuedGreenside CORP
  21. Apr 11, 20173349387Construction Equipment · IssuedGreenside CORP
  22. Apr 11, 2017legacy_jobs:2826706Alteration Commercial · Finaled$250,000
  23. Nov 16, 2016legacy_jobs:2764110Temporary · Finaled
  24. Nov 16, 2016legacy_jobs:2764119Temporary · Finaled
  25. Nov 16, 20163272061Construction Equipment · IssuedGreenside CORP
  26. Jul 23, 20153009141Sign · IssuedNational Maintenance, INC
  27. Jul 23, 20153006524Sign · IssuedNational Maintenance, INC
  28. Apr 24, 2015legacy_jobs:2493211Alteration Commercial · Issued$1,512
  29. Apr 24, 20152957952Other · IssuedCad Signs Nyc CORP
  30. Oct 17, 20112468478Sign · IssuedBerger Signs INC
  31. Jul 29, 2011legacy_jobs:1983750Alteration Commercial · Finaled$4,194
  32. Jul 29, 20112435765Other · IssuedCarson St Equities Ltd
  33. Dec 16, 20102341504Other · IssuedMym Construction INC
  34. Dec 16, 20102341505MEP Mechanical HVAC · IssuedMym Construction INC
  35. Apr 8, 2010This permitOther · IssuedKnockout Construction INC
  36. Mar 13, 2009legacy_jobs:1679901Alteration Commercial · Finaled$637,875
  37. Mar 13, 2009768649MEP Mechanical HVAC · IssuedKnockout Construction INC
  38. Mar 13, 2009768549Other · IssuedKnockout Construction INC
  39. Aug 1, 20021554000MEP Mechanical HVAC · IssuedM & H Construction & Design INC.
  40. Aug 1, 20021554224MEP Plumbing · IssuedJ Caiazzo Plbg & Htg CORP
  41. Aug 1, 20021553995Other · IssuedM & H Construction & Design INC.
  42. Aug 1, 2002legacy_jobs:949051Alteration Commercial · Issued$83,000
  43. Aug 1, 2002legacy_jobs:949060Alteration Commercial · Issued$83,000
  44. Jan 22, 2002legacy_jobs:939163Alteration Commercial · Finaled$5,000
  45. Jan 22, 2002legacy_jobs:939172Alteration Commercial · Finaled$5,000
  46. Jan 22, 20027637Alteration Commercial · IssuedMark & Yan Home Improvement INC.
  47. Jan 10, 20021515012MEP Plumbing · IssuedArco Plbg & Htg INC
  48. Dec 24, 20011507376MEP Plumbing · IssuedArco Plbg And Htg INC
  49. Date not usable in source682614MEP Mechanical HVAC · IssuedH M Construction CORP.
  50. Date not usable in source559291Alteration Commercial · IssuedVip Fire Spr.
  51. Date not usable in source559297MEP Plumbing · IssuedMagor Plbg & Htg
  52. Date not usable in source548893MEP Plumbing · IssuedMagor Plbg & Htg
  53. Date not usable in source230408Sign · IssuedUniversal Unlimited
  54. Date not usable in source152808Other · IssuedOne Tech INC
  55. Date not usable in source152748Construction Equipment · IssuedOne Tech INC
  56. Date not in sourcelegacy_jobs:949063Alteration Commercial · Disapproved$7,000
  57. Date not in sourcelegacy_jobs:913203Alteration Commercial · Issued$12,000
  58. Date not in sourcelegacy_jobs:913202Alteration Commercial · Issued$28,000
  59. Date not in sourcelegacy_jobs:949062Alteration Commercial · Issued$12,000
  60. Date not in sourcelegacy_jobs:949061Alteration Commercial · Issued$28,000
  61. Date not in sourcelegacy_jobs:949053Alteration Commercial · Issued$12,000

Full permit history at this parcel · as of Jul 19, 2026.

Other permits by Knockout Construction INC

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Developer details
Permit #
2237167
Canonical ID
1:2237167
Source permit ID
2237167
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