Permit Record

MEP Mechanical HVAC

9921 4 Avenue, Brooklyn, NY 11209

ClassificationMHMultifamily Alteration
Reliable valueNot in source
Permit record
Parties
Applicant
Maxim Ilin
Owner
Mydl LLC
Architect
Not in source
Engineer
Not in source
Contractor license
0617643
Building & lot · PLUTO
Building class
RM
Zoning district
R6A
Lot area
21,938 sq ft
Year built
1987
Units (total)
56
Units (residential)
52
Units (commercial)
Not in source
Floor area
Not in source
Parcel & enrichment
Parcel APN
3061357501
Climate zone (IECC)
4A
Roof area (est.)
6,373 sq ft
HVAC tonnage (est.)
94.5 tons
Building type
R
Building subtype
Not in source
Geocode & dates
Coordinates
40.6132, -74.0333
Geocode confidence
95%
Geocode source
Not in source
Issued
Jan 31, 2023
Applied
Jan 17, 2023
Work class
Residential
Status
Current status
issued
Source status
ISSUED
Expired
Jun 12, 2023
Provenance
First seen by PermitCore
May 2, 2026 · 16:50 UTC
Last seen
Jul 17, 2026 · 02:35 UTC
Last changed
May 2, 2026 · 16:50 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

23 permits at this parcel (parcel 3061357501) · through Jan 31, 2023

  1. Jan 31, 2023This permitMEP Mechanical HVAC · IssuedIlin Construction INC
  2. Jan 24, 20233936756Other · IssuedIlin Construction INC
  3. Dec 3, 20213883781Other · IssuedIlin Construction INC
  4. Feb 5, 20203676151MEP Plumbing · IssuedSuper Max Consulting INC
  5. Feb 5, 2020legacy_jobs:3096214Alteration Residential · Finaled$399,000
  6. Jul 3, 20193658588MEP Mechanical HVAC · IssuedIlin Construction INC
  7. Jun 24, 20192765003Other · IssuedIlin Construction INC
  8. Feb 17, 20112363778MEP Plumbing · IssuedKatan P & H INC
  9. Feb 17, 2011legacy_jobs:1935090Alteration Residential · Finaled$12,370
  10. Feb 17, 20112363780Alteration Commercial · IssuedKatan P & H INC
  11. Feb 8, 2011legacy_jobs:1923546Alteration Residential · Finaled$6,250
  12. Feb 8, 20112360088MEP Plumbing · IssuedAdvanced P,, & Spklr CORP
  13. Feb 8, 2011legacy_jobs:1923555Alteration Residential · Finaled$6,250
  14. Jan 13, 20112351225Other · Issued2323 Development CORP
  15. Jan 13, 20112351545MEP Mechanical HVAC · Issued2323 Development CORP
  16. Jan 13, 20112351541Other · Issued2323 Development CORP
  17. Jan 13, 2011legacy_jobs:1923558Alteration Residential · Finaled$1,500
  18. Jan 12, 2005legacy_jobs:988509Alteration Residential · Finaled$45,000
  19. Jan 12, 20051380116MEP Plumbing · IssuedHornstein Plb INC
  20. Dec 11, 20031677440Other · IssuedRocky & Joe-Son Const CORP
  21. Date not usable in source1168386Other · IssuedStracar Engineering
  22. Date not usable in source317096Other · IssuedThe Harbour At Bay Ridge Condo
  23. Date not in source3937647Other · Pending

Full permit history at this parcel · as of Jul 9, 2026.

Other permits by Ilin Construction INC

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Developer details
Permit #
3936754
Canonical ID
1:3936754
Source permit ID
3936754
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