Permit Record

MEP Mechanical HVAC

123 West 20 Street, Manhattan, NY 10011

ClassificationHVAC / Mechanical
Reliable valueNot in source
Permit record
Parties
Contractor
Pan Ston INC
Applicant
George Hsu
Owner
Hong Diep
Architect
Not in source
Engineer
Not in source
Contractor license
0008383
Building & lot · PLUTO
Building class
K4
Zoning district
C6-3A
Lot area
4,208 sq ft
Year built
1900
Units (total)
9
Units (residential)
5
Units (commercial)
Not in source
Floor area
Not in source
Parcel & enrichment
Parcel APN
1007960023
Climate zone (IECC)
4A
Roof area (est.)
22,104 sq ft
HVAC tonnage (est.)
55.5 tons
Building type
M
Building subtype
Not in source
Geocode & dates
Coordinates
40.7414, -73.9951
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
Not in source
Provenance
First seen by PermitCore
May 2, 2026 · 14:19 UTC
Last seen
Jul 17, 2026 · 16:40 UTC
Last changed
May 2, 2026 · 14:19 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

57 permits at this parcel (parcel 1007960023) · through Mar 12, 2026

  1. Mar 12, 2026301597734MEP Plumbing · Issued$148,000Dynamic Plbg & Sprklr Cor
  2. Dec 30, 2025914237905Alteration Commercial · Issued$248,040Lxc Construction INC
  3. Jun 6, 2024228941506MEP Plumbing · Issued$28,000Dynamic Plbg & Sprklr Cor
  4. Jun 4, 2024169527516Alteration Commercial · Finaled$102,645Lxc Construction INC
  5. Mar 29, 2024611653670Alteration Commercial · Issued$9,550Dean Contracting Group In
  6. Feb 20, 2024387437064Sidewalk Shed · Issued$5,000Ace Group Ny CORP
  7. Mar 19, 20203747417Alteration Commercial · IssuedCocozza Group LLC
  8. Mar 19, 2020legacy_jobs:2794865Alteration Residential · Issued$15,000
  9. Mar 19, 2020legacy_jobs:2733294Alteration Residential · Issued$15,000
  10. Feb 14, 2018legacy_jobs:2977347Alteration Residential · Finaled$18,000
  11. Feb 14, 20183520122MEP Mechanical HVAC · IssuedM. Int'L Engineering PLLC
  12. Dec 20, 20173493643MEP Plumbing · IssuedHar Ji Plumbing& Heat Cor
  13. Dec 20, 2017legacy_jobs:2692104Alteration Residential · Finaled$16,000
  14. Dec 20, 2017legacy_jobs:2752262Alteration Residential · Finaled$16,000
  15. Aug 16, 2017legacy_jobs:2895882Alteration Residential · Finaled$120,000
  16. Aug 16, 2017legacy_jobs:2895891Alteration Residential · Finaled$120,000
  17. Aug 16, 2017legacy_jobs:2830954Alteration Residential · Finaled$120,000
  18. Aug 16, 20173425504MEP Mechanical HVAC · IssuedL2 Construction INC
  19. May 1, 20173360953MEP Mechanical HVAC · IssuedM. Int'L Engineering PLLC
  20. May 1, 2017legacy_jobs:2777911Alteration Residential · Finaled$30,000
  21. May 1, 2017legacy_jobs:2841063Alteration Residential · Finaled$30,000
  22. Apr 4, 20173345380Other · IssuedM. Int'L Engineering PLLC
  23. Feb 27, 2017legacy_jobs:2783185Alteration Residential · Issued$178,000
  24. Feb 27, 20173323002Alteration Commercial · IssuedCase Plumbing LLC
  25. Feb 16, 20173318370Sign · IssuedPaul Signs, INC
  26. Jan 11, 20173299399MEP Plumbing · IssuedM. Spinelli Plb & Htg INC
  27. Jan 6, 20173297556MEP Mechanical HVAC · IssuedCocozza Group LLC
  28. Jan 6, 20173297551Other · IssuedCocozza Group LLC
  29. Oct 19, 20163256806Other · IssuedM. Int'L Engineering PLLC
  30. May 10, 2013legacy_jobs:2234450Alteration Residential · Finaled$15,500
  31. May 10, 20132721548MEP Plumbing · IssuedTriboro Plbng And Htg Cor
  32. May 10, 2013legacy_jobs:2234459Alteration Residential · Finaled$15,500
  33. May 8, 20132720138Other · IssuedLin Construction INC
  34. Mar 1, 20132685987MEP Plumbing · IssuedCase Plumbing LLC
  35. Mar 1, 2013legacy_jobs:2106769Alteration Residential · Finaled$396,800
  36. Feb 26, 20132683788Alteration Commercial · IssuedLin Construction INC
  37. Sep 22, 2011legacy_jobs:2016248Temporary · Finaled
  38. Sep 22, 20112459425Construction Equipment · IssuedSkyrise General Contracto
  39. Sep 20, 2011legacy_jobs:2015655Temporary · Finaled
  40. Sep 20, 20112458195Construction Equipment · IssuedPioneer Gnrl Constr CO Ll
  41. Sep 20, 2011legacy_jobs:2015664Temporary · Finaled
  42. Nov 5, 2010legacy_jobs:1902172Alteration Commercial · Finaled
  43. Nov 5, 20102326024Construction Equipment · IssuedOutdoor Installations LLC
  44. Jan 24, 20081992379MEP Plumbing · IssuedUnited P/h Contractors INC
  45. Jan 24, 2008legacy_jobs:601947Alteration Residential · Finaled$90,000
  46. Sep 13, 20071355276Alteration Commercial · IssuedMetal Stone Construction
  47. Date not usable in sourceThis permitMEP Mechanical HVAC · IssuedPan Ston INC
  48. Date not in sourcelegacy_jobs:2533044Alteration Residential · Disapproved$1,134,000
  49. Date not in sourcelegacy_jobs:2967894Alteration Residential · Disapproved$5,000
  50. Date not in sourcelegacy_jobs:2783184Alteration Residential · Disapproved$10,000
  51. Date not in sourcelegacy_jobs:2533053Alteration Residential · Disapproved$1,134,000
  52. Date not in sourcelegacy_jobs:2783186Alteration Commercial · Issued$100,000
  53. Date not in source3889524Alteration Commercial · Pending
  54. Date not in sourcelegacy_jobs:2900641Alteration Residential · Disapproved$5,000
  55. Date not in sourcelegacy_jobs:2110781Alteration Commercial · Finaled
  56. Date not in sourcelegacy_jobs:2194029Alteration Commercial · Finaled
  57. Date not in sourcelegacy_jobs:2783175Alteration Residential · Disapproved$10,000

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

Other permits by Pan Ston INC

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Developer details
Permit #
1101307
Canonical ID
1:1101307
Source permit ID
1101307
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