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Two family frame
359 20 STREET
BROOKLYN · Sunset Park (West) · BIN 3017230
💬 Discuss this project
1910Year Built
2Stories
B2Building Class
R6BZoning
1,350 sfGross Floor Area
2Units
4 Open Violations 2 unresolved · 2 paperwork only ▸FDNY Report ↗
Two family frame · Owner of record: 359 20TH LLC · 1,536 sf lot · 0.88 FAR built · Flood zone X
Locations of Work
ArchitectureStructuralMechanicalPlumbingLandscape
Permit Issued — active, not yet Signed-off
RoofUnder Construction3p · 1 filing · 7 docs
Floor 2Under Construction5p · 3 filings · 20 docs
Floor 1Under Construction5p · 3 filings · 20 docs
CellarUnder Construction9p · 3 filings · 20 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
359 20TH LLC403/22/2026
HIGH QUALITY CONSTRUCTION303/22/2026
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
NY BUILDING ASSOCIATES INC312/31/2025
CHUN FENG, ARCHITECT307/10/2025
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
HIGHQUALITY CONSTRUCTION VNW403/21/2026
HIGH QUALITY 338803/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
HIGH QUALITY CONSTRUCTIONGeneral Contractor403/21/2026
MERCURY BUILDING ASSOGeneral Contractor107/08/2026
AMERICAN STANDARD P&H CORORP.Plumbing106/28/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
NKM ENGINEERING PLLC6244311/24/2025
Building Lifecycle
All (76)Filed (6)Permit Issued (4)Violation (8)Inspection (4)Objection (24)Special Inspection (30)
07/06/2026
Permit issued — Mechanical Systems
B01322746-I1-MS
04/28/2026
Objection resolved — Addressed
03/24/2026
Special inspection requirement — Protection of exposed foundation insulation
03/09/2026
Objection resolved — Resolved
02/27/2026
Special inspection requirement — Insulation placement and R values
02/26/2026
Special inspection requirement — Subsurface Conditions – Fill Placement & In-Place Density
02/26/2026
Special inspection requirement — Construction Operations Influencing Adjacent Structures
02/26/2026
Special inspection requirement — Demolition
02/26/2026
Special inspection requirement — Underpinning and alternate methods of support of buildings and adjacent property
02/26/2026
Special inspection requirement — Fire-Resistance Rated Construction
02/03/2026
Objection resolved — Addressed
02/03/2026
Objection resolved — Addressed
01/16/2026
Objection raised — Admin
01/15/2026
Objection resolved — Addressed
01/02/2026
Objection raised — Energy
01/02/2026
Objection raised — Cost
01/02/2026
Objection resolved — Addressed
12/31/2025
Filed — Alteration CO
B01321121-S1
12/30/2025
Special inspection requirement — Final
12/30/2025
Special inspection requirement — Footing and Foundation
12/30/2025
Special inspection requirement — Structural Stability – Alterations of existing buildings
12/19/2025
Objection resolved — Addressed
12/19/2025
Objection resolved — Addressed
12/19/2025
Objection resolved — Addressed
12/18/2025
Special inspection requirement — Structural Cold-Formed Steel
12/18/2025
Special inspection requirement — Structural Steel - Details
12/18/2025
Special inspection requirement — Subgrade Inspections
12/18/2025
Special inspection requirement — Concrete - Cast-In-Place
12/18/2025
Special inspection requirement — Underpinning
12/18/2025
Special inspection requirement — Excavations - Sheeting, Shoring, and Bracing
12/18/2025
Special inspection requirement — Fire-Resistant Penetrations and Joints
12/17/2025
Objection raised — Other
12/16/2025
Objection resolved — Addressed
12/16/2025
Objection resolved — Resolved
12/11/2025
Objection raised — Structural
12/11/2025
Objection raised — Cost
12/11/2025
Objection resolved — Addressed
12/10/2025
Objection raised — Admin
12/05/2025
Filed — Alteration CO
B01321121-I1
12/04/2025
Objection raised — Zoning
12/04/2025
Objection raised — Admin
12/04/2025
Objection raised — Zoning
12/04/2025
Objection raised — Scope
12/04/2025
Objection raised — Plumbing
11/24/2025
Filed — Alteration
MECHANICAL WORK WITH INSTALL NEW AIR CONDENSER UNITS FOR 1 FAMILY BUILDING, TO ADDRESS ECB VIOLATION# 39166845PNO CHANGES IN USE, EGRESS, AND OCCUPANCY.
B01322746-I1
11/21/2025
Special inspection requirement — HVAC-R and service water heating equipment
NARESH MAHANGU
11/21/2025
Special inspection requirement — HVAC-R and service water piping design and insulation
NARESH MAHANGU
11/21/2025
Special inspection requirement — Energy Code Compliance Inspections
NARESH MAHANGU
11/21/2025
Special inspection requirement — Fire-Resistance Rated Construction
NARESH MAHANGU
11/21/2025
Special inspection requirement — Fire-Resistant Penetrations and Joints
NARESH MAHANGU
11/21/2025
Special inspection requirement — HVAC-R and service water heating system controls
NARESH MAHANGU
11/21/2025
Special inspection requirement — Duct leakage testing, insulation and design
NARESH MAHANGU
11/20/2025
Special inspection requirement — Mechanical Systems
NARESH MAHANGU
11/20/2025
Special inspection requirement — Final
KYEONGIL JANG
11/13/2025
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
11/13/2025
Violation issued (ECB, open)
Construction
11/13/2025
Violation issued (ECB, closed)
Construction
11/13/2025
Violation issued (ECB, closed)
Unknown
11/13/2025
Violation issued (ECB, closed)
Unknown
11/12/2025
Violation issued (ECB, open)
Construction
Latest 60 of 76 events.
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWMechanical SystemsPermit IssuedMERCURY BUILDING ASSO INC07/06/2026
DOB NOWGeneral ConstructionPermit IssuedHIGH QUALITY CONSTRUCTION07/16/2025
DOB NOWConstruction FencePermit IssuedHIGH QUALITY CONSTRUCTION07/15/2025
DOB NOWPlumbingPermit IssuedAMERICAN STANDARD P&H CORORP.07/14/2025
1 project · most recent 11/24/2025
Air Conditioning Systems
FiledStatusContractorScopeMake / Model / Capacity
11/24/2025Permit IssuedMERCURY BUILDING ASSO INCAir Conditioning Systems
1 project · most recent 11/16/2025
General Wiring
FiledStatusContractorScope
11/16/2025Permit IssuedFRIED ELECTRIC CO.General Wiring
1 project · most recent 07/10/2025
Fence
FiledStatusContractorScope
07/10/2025Permit IssuedHIGH QUALITY CONSTRUCTIONFence
▾Field Inspections (DOB CAP) — 4
DateTypeResultReport
10/30/2025Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
10/20/2025Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
09/25/2025Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
09/02/2025Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
▾Special Inspection Requirements (DOB NOW) — 40
DateRequirementInspectorRole
03/24/2026Protection of exposed foundation insulation—energy_progress
02/27/2026Insulation placement and R values—energy_progress
02/26/2026Subsurface Conditions – Fill Placement & In-Place Density—special
02/26/2026Construction Operations Influencing Adjacent Structures—special
02/26/2026Demolition—special
02/26/2026Underpinning and alternate methods of support of buildings and adjacent property—special
02/26/2026Fire-Resistance Rated Construction—progress
12/30/2025Final—progress
12/30/2025Footing and Foundation—progress
12/30/2025Structural Stability – Alterations of existing buildings—special
12/18/2025Structural Cold-Formed Steel—special
12/18/2025Structural Steel - Details—special
12/18/2025Subgrade Inspections—special
12/18/2025Concrete - Cast-In-Place—special
12/18/2025Underpinning—special
12/18/2025Excavations - Sheeting, Shoring, and Bracing—special
12/18/2025Fire-Resistant Penetrations and Joints—special
11/21/2025HVAC-R and service water heating equipmentNARESH MAHANGUenergy_progress
11/21/2025HVAC-R and service water piping design and insulationNARESH MAHANGUenergy_progress
11/21/2025Energy Code Compliance InspectionsNARESH MAHANGUprogress
11/21/2025Fire-Resistance Rated ConstructionNARESH MAHANGUprogress
11/21/2025Fire-Resistant Penetrations and JointsNARESH MAHANGUspecial
11/21/2025HVAC-R and service water heating system controlsNARESH MAHANGUenergy_progress
11/21/2025Duct leakage testing, insulation and designNARESH MAHANGUenergy_progress
11/20/2025Mechanical SystemsNARESH MAHANGUspecial
Latest 25 of 40.
▾Documents — 40 on file (BIS + DOB NOW)
▸Plans & Drawings6
▸DOB NOWPlans/Sketch6
08/21/2026B01247549-I1Request digital key ↗
08/21/2026B01247549-S2Request digital key ↗
08/21/2026B01247549-S1Request digital key ↗
Showing 3 of 6 on file for this type
▸Zoning, Tax Lot & Property Records3
▸DOB NOWHouse Number Verification: TOPO Stamp1
08/13/2026B01321121-I1Open ↗
▸DOB NOWZoning Exhibit form (1-5)1
08/13/2026B01321121-I1Open ↗
▸DOB NOWZD1: DOB Zoning Diagram1
08/13/2026B01321121-I1Open ↗
▸Seals & Professional Certifications17
▸DOB NOWProgress Inspector Seal & Signature8
08/31/2026B01247549-S1Open ↗
08/31/2026B01247549-S1Open ↗
08/27/2026B01247549-I1Open ↗
Showing 3 of 8 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature6
08/21/2026B01247549-S1Open ↗
08/21/2026B01247549-I1Open ↗
08/21/2026B01247549-S2Open ↗
Showing 3 of 6 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature3
08/31/2026B01247549-S1Open ↗
08/27/2026B01247549-I1Open ↗
08/24/2026B01322746-I1Open ↗
▸Safety & Tenant Protection2
▸DOB NOWStreet Tree Checklist2
08/13/2026B01321121-I1Open ↗
08/13/2026B01321121-S1Open ↗
▸Environmental & Asbestos5
▸DOB NOWDEP ACP-5: Asbestos Assessment Report5
08/21/2026B01247549-S1Open ↗
08/21/2026B01247549-I1Open ↗
08/13/2026B01321121-S1Open ↗
Showing 3 of 5 on file for this type
▸Other Documents7
▸DOB NOWSite Survey: Initial2
08/13/2026B01321121-I1Open ↗
08/13/2026B01321121-S1Open ↗
▸DOB NOWLocal Law 92/94 of 2019 Sustainable Roof Zone2
08/13/2026B01321121-S1Open ↗
08/13/2026B01321121-I1Open ↗
▸DOB NOWPlot Diagram2
08/13/2026B01321121-I1Open ↗
08/13/2026B01321121-S1Open ↗
▸DOB NOWProperty Ownership Certification1
08/13/2026B01321121-I1Open ↗