Permit Record

Mechanical Systems

217-51 53 AVENUE, Queens, NY 11364

ClassificationMechanical SystemsMultifamily Alteration
Reliable value$1,178,520
Permit record
Parties
Applicant
LUO JIE CHEN
Owner
PR
Architect
Not in source
Engineer
Not in source
Contractor license
620083
Building & lot · PLUTO
Building class
A0
Zoning district
R2A
Lot area
4,000
Year built
1950
Units (total)
1
Floor area
Not in source
Parcel & enrichment
Parcel APN
4074020095
Climate zone (IECC)
4A
Roof area (est.)
657 sq ft
HVAC tonnage (est.)
2 tons
Building type
R
Geocode & dates
Coordinates
40.7533, -73.7625
Geocode confidence
95%
Geocode source
Not in source
Issued
2026-06-18
Applied
Not in source
Work class
Residential
Description
Source description

PROPOSED HORIZONTAL AND VERTICAL ENLARGEMENT FOR A SINGLE-FAMILY DETACHED RESIDENCE WITH AN ANCILLARY DWELLING UNIT. PROPOSED ADU LOCATED AT THE REAR OF THE 1ST FLOOR WITH THE MAIN ENTRANCE FACING THE SIDE YARD. OBTAIN A NEW CERTIFICATE OF OCCUPANCY.

Status
Current status
issued
Source status
Permit Issued
Expired
2026-10-26
Provenance
First seen (no changes since)
Jun 20, 2026 · 11:14 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

14 permits at this parcel (parcel 4074020095) · 2003-07-112026-06-22

  1. 2026-06-22378335209Foundation Only · Issued$100,000GREAT STONE GEN'L CONST*
  2. 2026-06-22378335209Other · Issued$100,000GREAT STONE GEN'L CONST*
  3. 2026-06-18345735982Alteration Residential · Issued$1,178,520GREAT STONE GEN'L CONST*
  4. 2026-06-18345735982Alteration Residential · Issued$1,178,520GREAT STONE GEN'L CONST*
  5. 2026-06-18This permitAlteration Residential · Issued$1,178,520GREAT STONE GEN'L CONST*
  6. 2026-06-18765433753Alteration Residential · Issued$1,178,520GREAT STONE GEN'L CONST*
  7. 2026-06-18924775976Alteration Commercial · Issued$150,000GREAT STONE GEN'L CONST*
  8. 2026-04-02788559740Construction Fence · Issued$1,000L&L CONSTRUCTION DEVELOP
  9. 2004-04-201457035Other · IssuedKISSENA CONSTRUCTION
  10. 2004-04-20legacy_jobs:1313873Alteration Residential · Finaled$4,000
  11. 2004-04-20legacy_jobs:1313864Alteration Residential · Finaled$4,000
  12. 2003-07-111661141Other · IssuedN/A
  13. 2003-07-11legacy_jobs:1292230Alteration Residential · Finaled$1,000
  14. Date not in sourcelegacy_jobs:3464239Alteration Residential · Issued

Full permit history at this parcel · as of 2026-06-28.

Other permits by GREAT STONE GEN'L CONST*

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

No other permits by this contractor in the indexed window.
Developer details
display_permit_id
765433753|Mechanical Systems
canonical_uid
1:765433753|Mechanical Systems
source_permit_id
765433753|Mechanical Systems
Browse New York City permits in the Market Explorer →Pull this permit via /v1/permits →