Permit Record

Alteration Residential

521 West 48th Street, Manhattan, NY

ClassificationA2Multifamily Alteration
Reliable value$18,000
ContractorNot in source
Permit record
Parties
Contractor
Not in source
Applicant
Not in source
Owner
Emmut Properties CORP
Architect
Not in source
Engineer
David Lau
Contractor license
Not in source
Building & lot · PLUTO
Building class
D6
Zoning district
R8
Lot area
2,510 sq ft
Year built
1940
Units (total)
16
Units (residential)
45
Units (commercial)
Not in source
Floor area
Not in source
Parcel & enrichment
Parcel APN
1010770020
Climate zone (IECC)
4A
Roof area (est.)
1,419 sq ft
HVAC tonnage (est.)
21 tons
Building type
R
Building subtype
OTHERS
Geocode & dates
Coordinates
40.7642, -73.9944
Geocode confidence
95%
Geocode source
Not in source
Issued
Jul 3, 2013
Applied
Jun 13, 2013
Work class
Residential
Description
Source description

INSTALLATION OF AUTOMATIC SMOKE/HEAT DETECTION AND SPRINKLER FIRE ALARM SYSTEM. COC.

Status
Current status
finaled
Source status
SIGNED OFF
Finaled
Nov 25, 2013
Provenance
First seen by PermitCore
May 6, 2026 · 18:52 UTC
Last seen
Jun 7, 2026 · 14:59 UTC
Last changed
Jun 7, 2026 · 14:59 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

20 permits at this parcel (parcel 1010770020) · Mar 7, 2012 – Jul 3, 2013

  1. Jul 3, 2013This permitAlteration Residential · Finaled$18,000
  2. Jul 3, 2013legacy_jobs:2252799Alteration Residential · Finaled$18,000
  3. Feb 25, 20132682884Alteration Commercial · IssuedBest Constellation Mgmt C
  4. Feb 25, 20132682871Construction Equipment · IssuedBest Constellation Mgmt C
  5. Jan 11, 20132665366Alteration Commercial · IssuedS & J Industrial CORP
  6. Jan 11, 2013legacy_jobs:2128791Alteration Residential · Finaled$328,750
  7. Dec 7, 20122651340Alteration Commercial · IssuedS & J Industrial CORP
  8. Oct 5, 2012legacy_jobs:2007961Alteration Residential · Finaled$600,000
  9. Oct 5, 20122627010MEP Plumbing · IssuedS & J Industrial CORP
  10. Sep 17, 20122617597Construction Equipment · IssuedG & M Equipment Leasing L
  11. Jun 4, 2012legacy_jobs:2028676Temporary · Finaled
  12. Jun 4, 20122568911Construction Equipment · IssuedG & M Equipment Leasing L
  13. Jun 4, 2012legacy_jobs:2102817Temporary · Finaled
  14. Mar 20, 2012legacy_jobs:2064474Alteration Commercial · Finaled
  15. Mar 16, 20122532524Alteration Commercial · IssuedBest Constellation Mgmt C
  16. Mar 7, 20122527940Construction Equipment · IssuedBest Constellation Mgmt C
  17. Date not in sourcelegacy_jobs:2062019Alteration Commercial · Issued
  18. Date not in sourcelegacy_jobs:2062008Alteration Commercial · Finaled
  19. Date not in sourcelegacy_jobs:2062017Alteration Commercial · Finaled
  20. Date not in sourcelegacy_jobs:2154328Alteration Commercial · Finaled$40,000

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

Developer details
Permit #
legacy_jobs:2252808
Canonical ID
1:legacy_jobs:2252808
Source permit ID
legacy_jobs:2252808
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