Permit Record

MEP Plumbing

523 West 121 Street, Manhattan, NY 10027

ClassificationPLMultifamily Alteration
Reliable valueNot in source
Permit record
Parties
Applicant
Michael Unflat
Owner
Spencer Apts. C/o Sandberg Mgmt
Architect
Not in source
Engineer
Not in source
Contractor license
0000792
Building & lot · PLUTO
Building class
D4
Zoning district
R8
Lot area
6,728 sq ft
Year built
1926
Units (total)
24
Units (residential)
24
Units (commercial)
Not in source
Floor area
Not in source
Parcel & enrichment
Parcel APN
1019760013
Climate zone (IECC)
4A
Roof area (est.)
3,225 sq ft
HVAC tonnage (est.)
48 tons
Building type
R
Building subtype
Not in source
Geocode & dates
Coordinates
40.8107, -73.9604
Geocode confidence
95%
Geocode source
Not in source
Issued
May 1, 2001
Applied
May 1, 2001
Work class
Not in source
Status
Current status
issued
Source status
ISSUED
Expired
May 1, 2002
Provenance
First seen by PermitCore
May 2, 2026 · 14:34 UTC
Last seen
Jul 17, 2026 · 17:00 UTC
Last changed
May 2, 2026 · 14:34 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

24 permits at this parcel (parcel 1019760013) · through Jan 3, 2018

  1. Jan 3, 20183500390Other · Issued6th Avenue Construction &
  2. Jan 3, 2018legacy_jobs:2899613Alteration Residential · Finaled$55,180
  3. Aug 8, 2017legacy_jobs:2888910Temporary · Finaled
  4. Aug 8, 2017legacy_jobs:2888901Temporary · Finaled
  5. Aug 8, 20173420073Construction Equipment · IssuedBilly Enterprises INC
  6. May 2, 2017legacy_jobs:2828133Alteration Residential · Finaled$70,000
  7. May 2, 20173361223MEP Plumbing · IssuedArk-Pol Plumbing CORP
  8. Apr 5, 20173345883Other · IssuedLimitless Renovations LLC
  9. Nov 10, 2011legacy_jobs:2034871Temporary · Issued
  10. Nov 10, 20112479922Construction Equipment · IssuedCs Bridge CORP
  11. Apr 28, 2011legacy_jobs:1896983Alteration Residential · Finaled$75,000
  12. Apr 16, 2008legacy_jobs:1497125Alteration Residential · Issued$8,000
  13. Apr 16, 2008legacy_jobs:1554622Alteration Residential · Issued$8,000
  14. Apr 16, 20082030102Other · IssuedWilman Custom Design
  15. May 26, 2006legacy_jobs:563477Alteration Residential · Issued$43,000
  16. May 26, 20061428298MEP Plumbing · IssuedPilato Brothers Plg & Htg
  17. May 22, 20061902703Other · IssuedPalk Holtzer Cpmstruction LLC
  18. May 1, 2001legacy_jobs:300668Alteration Residential · Issued$48,000
  19. May 1, 20011396746Alteration Commercial · IssuedUnflat & Associates
  20. May 1, 2001legacy_jobs:289699Alteration Residential · Issued$48,000
  21. May 1, 20011396742Alteration Commercial · IssuedUnflat & Associates
  22. May 1, 2001This permitMEP Plumbing · IssuedUnflat & Associates
  23. Date not usable in source1129018MEP Plumbing · IssuedWasoff Plbg & Utilities
  24. Date not usable in source1073421Other · IssuedReina Contracting

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

Other permits by Unflat & Associates

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Developer details
Permit #
1396755
Canonical ID
1:1396755
Source permit ID
1396755
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