Permit Record

MEP Plumbing

574 Washington Avenue, Brooklyn, NY 11238

ClassificationPlumbing
Reliable valueNot in source
ContractorGw Mechanical CORP →
Permit record
Parties
Contractor
Gw Mechanical CORP
Applicant
Sergiy Mamushkin
Owner
574 Washington Residences LLC
Architect
Not in source
Engineer
Not in source
Contractor license
0002493
Building & lot · PLUTO
Building class
R1
Zoning district
R6B
Lot area
2,617 sq ft
Year built
1899
Units (total)
4
Units (residential)
4
Units (commercial)
Not in source
Floor area
Not in source
Parcel & enrichment
Parcel APN
3020120056
Climate zone (IECC)
4A
Roof area (est.)
707 sq ft
HVAC tonnage (est.)
10.5 tons
Building type
R
Building subtype
Not in source
Geocode & dates
Coordinates
40.6819, -73.9646
Geocode confidence
95%
Geocode source
Not in source
Issued
Jul 6, 2021
Applied
Jul 6, 2021
Work class
Residential
Status
Current status
issued
Source status
ISSUED
Expired
Jul 6, 2022
Provenance
First seen by PermitCore
May 2, 2026 · 16:46 UTC
Last seen
Jul 17, 2026 · 02:34 UTC
Last changed
May 2, 2026 · 16:46 UTC

Open in New York City source →

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 3020120056) · Mar 9, 2018 – Jul 6, 2021

  1. Jul 6, 2021This permitMEP Plumbing · IssuedGw Mechanical CORP
  2. Jul 23, 20203776448MEP Plumbing · IssuedSo Plumbing & Heating INC
  3. Jul 1, 20203770251Alteration Commercial · IssuedAsg Construction Group In
  4. Jul 1, 20203768457Alteration Commercial · IssuedAsg Construction Group In
  5. Jan 27, 20203729041Alteration Commercial · IssuedAsg Construction Group In
  6. Jan 24, 20203730015Construction Equipment · IssuedAsg Construction Group In
  7. Jul 18, 2019legacy_jobs:2891703Alteration Commercial · Finaled$1,289,133
  8. Jul 18, 2019legacy_jobs:2891712Alteration Commercial · Finaled$1,289,133
  9. Jul 18, 20193664621MEP Plumbing · IssuedTak Plumbing & Heating CO
  10. Jul 2, 20193657864Alteration Commercial · IssuedAsg Construction Group In
  11. Feb 4, 20192185868Alteration Commercial · IssuedAsg Construction Group In
  12. Jan 30, 20192185837Construction Equipment · IssuedAsg Construction Group In
  13. Oct 5, 2018legacy_jobs:2957438Alteration Commercial · Finaled$1,000
  14. Mar 9, 2018legacy_jobs:2928428Alteration Commercial · Issued
  15. Date not in sourcelegacy_jobs:3288307Temporary · Finaled

Full permit history at this parcel · as of Jul 19, 2026.

Other permits by Gw Mechanical CORP

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Developer details
Permit #
3859837
Canonical ID
1:3859837
Source permit ID
3859837
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