Mechanical Systems
5221 Avenue N, Brooklyn, NY 11234
Permit record
Parties
- Contractor
- Jd Arch LLC
- Applicant
- Haitao Lu
- Owner
- Pr
- Architect
- Not in source
- Engineer
- Not in source
- Contractor license
- 615703
Building & lot · PLUTO
- Building class
- K4
- Zoning district
- R3-2
- Lot area
- 2,794 sq ft
- Year built
- 1935
- Units (total)
- 2
- Units (residential)
- 1
- Units (commercial)
- Not in source
- Floor area
- Not in source
Parcel & enrichment
- Parcel APN
- 3078770002
- Climate zone (IECC)
- 4A
- Roof area (est.)
- 2,850 sq ft
- HVAC tonnage (est.)
- 7 tons
- Building type
- M
- Building subtype
- Not in source
Geocode & dates
- Coordinates
- 40.6191, -73.9247
- Geocode confidence
- 95%
- Geocode source
- Not in source
- Issued
- Feb 20, 2020
- Applied
- Not in source
- Work class
- Not in source
Description
Source description
MECHANICAL WORK FOR EXISTING STORE. NO CHANGE IN USE, EGRESS OR OCCUPANCY.
Status
- Current status
- finaled
- Source status
- Signed-off
- Finaled
- Feb 20, 2020
- Expired
- Feb 20, 2021
Provenance
- First seen by PermitCore
- May 2, 2026 · 09:30 UTC
- Last seen
- May 11, 2026 · 23:55 UTC
- Last changed
- May 11, 2026 · 23:55 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
- Feb 20, 2020This permitMEP Mechanical HVAC · Finaled$5,000Jd Arch LLC
- Feb 12, 2020legacy_jobs:3199014Alteration Commercial · Finaled$10,000
- Feb 12, 20203736194Other · IssuedJd Arch LLC
- Feb 12, 2020legacy_jobs:3199023Alteration Commercial · Finaled$10,000
- Oct 31, 2013736222MEP Mechanical HVAC · IssuedGlobal Group Industries C
- Oct 31, 2013legacy_jobs:1011726Alteration Commercial · Finaled$22,500
- Jul 20, 2005335170Alteration Commercial · Issued55C Const CORP
- Jul 20, 2005legacy_jobs:955495Alteration Commercial · Issued
- Jun 25, 20041714770Other · IssuedHsu & Associates
- Jun 25, 20041714773MEP Mechanical HVAC · IssuedHsu & Associates
- Jun 25, 20041714769Construction Equipment · IssuedHsu & Associates
- Dec 13, 20021239844Alteration Commercial · IssuedN Y Business Fire System INC
- Dec 13, 2002legacy_jobs:962898Alteration Commercial · Finaled$2,000
- Dec 13, 2002legacy_jobs:962889Alteration Commercial · Finaled$2,000
- Date not usable in source645569Alteration Commercial · IssuedMaster Fire Prevention Systems
- Date not usable in source836490Alteration Commercial · IssuedMaster Fire Prevention Systems
- Date not usable in source637061Alteration Commercial · IssuedMaster Fire Prevention System
- Date not in sourcelegacy_jobs:998505Alteration Commercial · Issued$17,500
- Date not in sourcelegacy_jobs:952273Subdivision · Finaled
Full permit history at this parcel · as of Jul 19, 2026.
Other permits by Jd Arch LLC
Developer details
- Permit #
- 171979704|Mechanical Systems
- Canonical ID
- 1:171979704|Mechanical Systems
- Source permit ID
- 171979704|Mechanical Systems