Permit Record

Alteration Commercial

56 Walker Street, Manhattan, NY 10013

ClassificationAlteration
Reliable valueNot in source
ContractorSix Sigma Nyc INC →
Permit record
Parties
Contractor
Six Sigma Nyc INC
Applicant
Jason Lee
Owner
Project 56 Wlaker LLC.
Architect
Not in source
Engineer
Not in source
Contractor license
0612014
Building & lot · PLUTO
Building class
R1
Zoning district
C6-2A
Lot area
2,609 sq ft
Year built
1915
Units (total)
4
Units (residential)
4
Units (commercial)
Not in source
Floor area
Not in source
Parcel & enrichment
Parcel APN
1001940004
Climate zone (IECC)
4A
Roof area (est.)
1,503 sq ft
HVAC tonnage (est.)
22.5 tons
Building type
R
Building subtype
Not in source
Geocode & dates
Coordinates
40.7189, -74.0032
Geocode confidence
95%
Geocode source
Not in source
Issued
Dec 14, 2016
Applied
Sep 16, 2016
Work class
Residential
Status
Current status
issued
Source status
ISSUED
Expired
Sep 10, 2017
Provenance
First seen by PermitCore
May 2, 2026 · 16:12 UTC
Last seen
Jul 17, 2026 · 02:28 UTC
Last changed
May 3, 2026 · 03:21 UTC

Open in New York City source →

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

74 permits at this parcel (parcel 1001940004) · Mar 2, 2004 – Jun 12, 2025

  1. Jun 12, 20253990248Alteration Commercial · IssuedThe Big Ic LLC
  2. Nov 16, 2017legacy_jobs:2856456Alteration Commercial · Issued$52,365
  3. Nov 16, 2017legacy_jobs:2856465Alteration Commercial · Finaled$52,365
  4. Nov 16, 20173478027MEP Plumbing · IssuedReal Plumbing CORP
  5. Oct 24, 20173464847Other · IssuedSix Sigma Nyc INC
  6. Dec 14, 2016This permitAlteration Commercial · IssuedSix Sigma Nyc INC
  7. Sep 19, 20163239594MEP Mechanical HVAC · IssuedSix Sigma Nyc INC
  8. Jun 30, 20163194087Alteration Commercial · IssuedSix Sigma Nyc INC
  9. Jun 30, 20163181755Alteration Commercial · IssuedReal Plumbing CORP
  10. Jun 30, 20163194091MEP Mechanical HVAC · IssuedSix Sigma Nyc INC
  11. Jun 30, 20163193979MEP Plumbing · IssuedReal Plumbing CORP
  12. Nov 18, 20152764943Alteration Commercial · IssuedRolando Mechanical CORP
  13. Oct 29, 20153062070MEP Mechanical HVAC · IssuedSix Sigma Nyc INC
  14. Sep 11, 20153036247Alteration Commercial · IssuedSix Sigma Nyc INC
  15. Jul 27, 20153010492MEP Mechanical HVAC · IssuedSix Sigma Nyc INC
  16. Jul 27, 20153010491Alteration Commercial · IssuedSix Sigma Nyc INC
  17. Feb 26, 20152927729Construction Equipment · IssuedEverest Scaffolding INC
  18. Oct 15, 20142865030MEP Plumbing · IssuedRolando Mechanical CORP
  19. Jul 10, 2014legacy_jobs:2369679Alteration Commercial · Finaled$15,000
  20. Jul 10, 20142772412Alteration Commercial · IssuedSix Sigma Nyc INC
  21. Jul 9, 20142803354MEP Mechanical HVAC · IssuedSix Sigma Nyc INC
  22. Apr 9, 2014554101Other · IssuedSix Sigma Nyc INC
  23. Mar 24, 2014602740Other · IssuedSix Sigma Usa INC
  24. Mar 6, 20142553780MEP Plumbing · IssuedP.S.I. Mechanical
  25. Mar 6, 2014legacy_jobs:2326837Alteration Commercial · Finaled$55,000
  26. Feb 12, 2014641132Construction Equipment · IssuedEverest Scaffolding INC
  27. Feb 12, 2014legacy_jobs:2327306Temporary · Finaled
  28. Feb 11, 2014364248Other · IssuedSix Sigma Usa INC
  29. Apr 13, 20112387389Other · IssuedIn House Group INC
  30. Apr 24, 20091726569Alteration Commercial · IssuedIdeal Fire Systems INC
  31. Apr 3, 2009legacy_jobs:569720Alteration Commercial · Finaled$83,000
  32. Apr 3, 2009legacy_jobs:594204Alteration Commercial · Finaled$83,000
  33. Apr 3, 2009legacy_jobs:594195Alteration Commercial · Finaled$83,000
  34. Apr 3, 20091208437Alteration Commercial · IssuedAdvanced Plbg Htg & Spklr
  35. Dec 8, 20082134043Construction Equipment · IssuedTwin & Swing Scaffold. In
  36. Nov 10, 20082123626MEP Plumbing · IssuedAdvanced P&h& Spkl CORP
  37. Aug 21, 20082089716Alteration Commercial · IssuedAdavanced Pl., Ht. & Sp. CORP.
  38. Aug 21, 2008legacy_jobs:1588200Alteration Commercial · Issued$10,000
  39. Jun 2, 20082051506Alteration Commercial · IssuedThe Avante Building CORP
  40. Dec 17, 2007714384Construction Equipment · Re-issuedTwin & Swing Scaffolding INC
  41. Sep 5, 2007202567MEP Mechanical HVAC · IssuedVcd. Construciton INC.
  42. Sep 5, 2007202581Other · IssuedVcd. Construciton INC.
  43. Jun 7, 2007legacy_jobs:612139Temporary · Issued
  44. Jun 7, 20071972003Construction Equipment · IssuedTwin & Swing Scaffolding INC
  45. Jun 7, 2007legacy_jobs:612130Temporary · Issued
  46. May 21, 2007legacy_jobs:594205Alteration Commercial · Finaled$581,000
  47. May 21, 20071962678MEP Plumbing · IssuedKin Chi Plumbing/heating CORP.
  48. May 21, 20071962664Alteration Commercial · IssuedKin Chi P/h CORP
  49. May 9, 20071957698MEP Mechanical HVAC · IssuedVcd Construction INC
  50. Apr 17, 2007590838Alteration Commercial · IssuedVcd Construction INC
  51. Apr 17, 2007590883Other · IssuedVcd Construction INC.
  52. Apr 13, 20061172500Alteration Commercial · IssuedVcd Construction INC
  53. Apr 13, 20061208007Other · IssuedVcd Construction INC.
  54. Apr 12, 2006legacy_jobs:558077Alteration Commercial · Issued$60,000
  55. Apr 12, 2006legacy_jobs:558086Alteration Commercial · Issued$60,000
  56. Apr 12, 20061607123OtherZcd Construction INC
  57. Apr 5, 20051422470Alteration Commercial · IssuedVcd Construction INC
  58. Apr 5, 20051800955Other · IssuedVcd Construction INC.
  59. Apr 5, 20051799620Alteration Commercial · IssuedVcd Construction INC
  60. Jan 4, 20051114054Other · IssuedVcd Construction INC.
  61. Jan 4, 2005legacy_jobs:498529Alteration Commercial · Finaled$20,000
  62. Sep 23, 2004358895Alteration Commercial · IssuedVcd Construction INC
  63. Jul 21, 2004legacy_jobs:465036Alteration Commercial · Issued$680,500
  64. Jul 21, 20041729509MEP Plumbing · IssuedAtlantis Water Sewer Main
  65. Jun 29, 20041716130Alteration Commercial · IssuedHigh End Construction LLC
  66. May 5, 20041236771MEP Plumbing · IssuedAtlantis Water & Sewer Main CORP
  67. May 5, 2004legacy_jobs:462672Alteration Commercial · Issued$120,000
  68. Mar 2, 20041369671Alteration Commercial · IssuedHigh End Construction LLC
  69. Date not in source2764942Alteration Commercial · PendingPipe Rite CORP
  70. Date not in sourcelegacy_jobs:1688117Alteration Commercial · Issued$3,000
  71. Date not in sourcelegacy_jobs:2779363Temporary · Finaled
  72. Date not in sourcelegacy_jobs:2769626Temporary · Disapproved
  73. Date not in sourcelegacy_jobs:609657Alteration Commercial · Issued$30,000
  74. Date not in sourcelegacy_jobs:609648Alteration Commercial · Issued$30,000

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

Other permits by Six Sigma Nyc INC

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Developer details
Permit #
3242299
Canonical ID
1:3242299
Source permit ID
3242299
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