Permit Record

Mechanical Systems

311 11 Street, Brooklyn, NY 11215

ClassificationHVAC / Mechanical
Reliable value$81,000
Permit record
Parties
Applicant
Slawomir Mlynarski
Owner
Pr
Architect
Not in source
Engineer
Not in source
Contractor license
607163
Building & lot · PLUTO
Building class
B1
Zoning district
R6B
Lot area
1,667 sq ft
Year built
1899
Units (total)
2
Units (residential)
2
Units (commercial)
Not in source
Floor area
Not in source
Parcel & enrichment
Parcel APN
3010160049
Climate zone (IECC)
4A
Roof area (est.)
972 sq ft
HVAC tonnage (est.)
3 tons
Building type
R
Building subtype
Not in source
Geocode & dates
Coordinates
40.6683, -73.9880
Geocode confidence
95%
Geocode source
Not in source
Issued
Jun 13, 2022
Applied
Not in source
Work class
Not in source
Description
Source description

Renovation of 1st and 2nd floor new CU on roof

Status
Current status
finaled
Source status
Signed-off
Finaled
Nov 30, 2021
Expired
Jun 6, 2023
Provenance
First seen by PermitCore
May 2, 2026 · 09:49 UTC
Last seen
May 12, 2026 · 00:04 UTC
Last changed
May 2, 2026 · 09:49 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

15 permits at this parcel (parcel 3010160049) · Nov 2, 2007Jun 13, 2022

  1. Jun 13, 2022This permitMEP Mechanical HVAC · Finaled$81,000Makeover Construction Cor
  2. Jun 13, 2022529398928Alteration Commercial · Finaled$81,000Makeover Construction Cor
  3. Jun 10, 2022949663901MEP Plumbing · Finaled$24,000Accurate Mechanical INC
  4. May 12, 2022799352908MEP Mechanical HVAC · Finaled$81,000Makeover Construction Cor
  5. May 12, 2022799352908Alteration Commercial · Finaled$81,000Makeover Construction Cor
  6. Nov 7, 2019legacy_jobs:3166296Alteration Residential · Finaled$15,000
  7. Nov 7, 2019legacy_jobs:3166287Alteration Residential · Finaled$15,000
  8. Nov 7, 20193760132Other · IssuedMakeover Construction Cor
  9. Nov 7, 2019legacy_jobs:3168149Alteration Residential · Finaled$15,000
  10. Jun 22, 2018legacy_jobs:3034875Alteration Residential · Finaled$20,216
  11. Jun 22, 20183588628Other · IssuedBrooklyn Solarworks LLC
  12. Nov 9, 2007legacy_jobs:1084383Alteration Residential · Issued$6,000
  13. Nov 9, 2007legacy_jobs:1084392Alteration Residential · Issued$6,000
  14. Nov 9, 2007856477MEP Plumbing · IssuedJohn Hlad Plumbing & Heating CO
  15. Nov 2, 20071970182Other · IssuedNg Reno.

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

Other permits by Makeover Construction Cor

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

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Developer details
Permit #
529398928|Mechanical Systems
Canonical ID
1:529398928|Mechanical Systems
Source permit ID
529398928|Mechanical Systems
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