Mechanical Systems
248 East 21 Street, Manhattan, NY 10010
ClassificationMechanical SystemsMultifamily Alteration
Reliable value$50,000
ContractorAmerican Ventilation Serv →
Permit record
Parties
- Contractor
- American Ventilation Serv
- Applicant
- Walid Aboumoussa
- Owner
- O & My Wing On Realty LLC
- Architect
- Not in source
- Engineer
- Not in source
- Contractor license
- 608975
Building & lot · PLUTO
- Building class
- C4
- Zoning district
- R9A
- Lot area
- 1,218 sq ft
- Year built
- 1913
- Units (total)
- 10
- Units (residential)
- 10
- Units (commercial)
- Not in source
- Floor area
- Not in source
Parcel & enrichment
- Parcel APN
- 1009010035
- Climate zone (IECC)
- 4A
- Roof area (est.)
- 1,178 sq ft
- HVAC tonnage (est.)
- 8 tons
- Building type
- R
- Building subtype
- Not in source
Geocode & dates
- Coordinates
- 40.7371, -73.9830
- Geocode confidence
- 95%
- Geocode source
- Not in source
- Issued
- Mar 4, 2025
- Applied
- Not in source
- Work class
- Not in source
Description
Source description
Replacement of existing boiler flue vent as per plans filed herewith
Status
- Current status
- finaled
- Source status
- Signed-off
- Finaled
- Mar 26, 2024
- Expired
- Nov 15, 2025
Provenance
- First seen by PermitCore
- May 2, 2026 · 09:41 UTC
- Last seen
- May 12, 2026 · 00:00 UTC
- Last changed
- May 2, 2026 · 09:41 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
- Mar 4, 2025This permitMEP Mechanical HVAC · Finaled$50,000American Ventilation Serv
- Sep 17, 2023103698198Alteration Commercial · Finaled$4,625New Bridge Contracting In
- Jul 12, 2023289531689Scaffold · Finaled$1,000Mnk Enterprises Ny INC
- Sep 20, 2019724695415Sidewalk Shed · Finaled$1,500Kings Group Ny CORP
- Aug 13, 2019797339553Sidewalk Shed · Finaled$1,500Kings Group Ny CORP
- Jan 30, 20071418405Construction Equipment · IssuedHi-Tech Bridging INC
- Jun 7, 20061634744Construction Equipment · IssuedHi-Tech Bridging INC
- Jun 7, 2006legacy_jobs:565418Temporary · Issued
Full permit history at this parcel · as of Jul 19, 2026.
Other permits by American Ventilation Serv
Developer details
- Permit #
- 365301104|Mechanical Systems
- Canonical ID
- 1:365301104|Mechanical Systems
- Source permit ID
- 365301104|Mechanical Systems