Permit Record

MEP Mechanical HVAC

363 Madison Avenue, Manhattan, NY 10017

ClassificationMHCommercial HVAC

Reliable valueNot in source

ContractorBlair Design & Construction

Permit record

Parties

Contractor: Blair Design & Construction
Applicant: Mark Weightman
Owner: Roosevelt Hotel CORP. Of Ny
Architect: Not in source
Engineer: Not in source
Contractor license: 0

Building & lot · PLUTO

Building class: H1
Zoning district: C5-3
Lot area: 43,313 sq ft
Year built: 1924
Units (total): 1
Units (residential): 0
Units (commercial): Not in source
Floor area: Not in source

Parcel & enrichment

Parcel APN: 1012810021
Climate zone (IECC): 4A
Roof area (est.): 67,303 sq ft
HVAC tonnage (est.): 997 tons
Building type: R
Building subtype: Not in source

Geocode & dates

Coordinates: 40.7550, -73.9777
Geocode confidence: 95%
Geocode source: Not in source
Issued: Not in source
Applied: Not in source
Work class: Not in source

Status

Current status: re-issued
Source status: RE-ISSUED
Expired: Not in source

Provenance

First seen by PermitCore: May 2, 2026 · 16:28 UTC
Last seen: Jul 17, 2026 · 02:31 UTC
Last changed: May 2, 2026 · 16:28 UTC

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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

465 permits at this parcel (parcel 1012810021) · through Jan 20, 2026

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

Other permits by Blair Design & Construction

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Developer details

Permit #: 354531
Canonical ID: 1:354531
Source permit ID: 354531

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