Permit Record

Sidewalk Shed

529 West 121 Street, Manhattan, NY 10027

ClassificationSidewalk ShedTemporary Construction Support
Reliable value$1,000
ContractorSpring Scaffolding LLC →
Permit record
Parties
Contractor
Spring Scaffolding LLC
Applicant
William Laffey
Owner
St. Michael Church
Architect
Not in source
Engineer
Not in source
Contractor license
607447
Building & lot · PLUTO
Building class
M3
Zoning district
R8
Lot area
2,321 sq ft
Year built
1928
Units (total)
2
Units (residential)
0
Units (commercial)
Not in source
Floor area
Not in source
Parcel & enrichment
Parcel APN
1019760009
Climate zone (IECC)
4A
Roof area (est.)
7,398 sq ft
HVAC tonnage (est.)
24.5 tons
Building type
A
Building subtype
Not in source
Geocode & dates
Coordinates
40.8109, -73.9607
Geocode confidence
95%
Geocode source
Not in source
Issued
Aug 25, 2026
Applied
Not in source
Work class
Not in source
Description
Source description

INSTALLATION OF TEMPORARY SIDEWALK SHED AS PER PLAN. NO CHANGE IN USE, EGRESS OR OCCUPANCY.

Status
Current status
issued
Source status
Permit Issued
Expired
Nov 23, 2026
Provenance
First seen (no changes since)
Aug 27, 2026 · 19:55 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

5 permits at this parcel (parcel 1019760009) · Jul 15, 2024 – Aug 25, 2026

  1. Aug 25, 2026This permitSidewalk Shed · Issued$1,000Spring Scaffolding LLC
  2. May 28, 2026779921174Temporary · Issued$1,000Spring Scaffolding LLC
  3. Mar 3, 2026216731603Sidewalk Shed · Issued$1,000Spring Scaffolding LLC
  4. Dec 23, 2025688381139Sidewalk Shed · Issued$1,000Spring Scaffolding LLC
  5. Jul 15, 2024718633607MEP Mechanical HVAC · Finaled$52,500Atlantic Westchester INC

Full permit history at this parcel · as of Aug 29, 2026.

Other permits by Spring Scaffolding LLC

Showing up to 12 most-recent permits by this contractor in the indexed window

Developer details
Permit #
559268132|Sidewalk Shed
Canonical ID
1:559268132|Sidewalk Shed
Source permit ID
559268132|Sidewalk Shed
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