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Two family converted from one family
404 WEST 20 STREET
MANHATTAN · BIN 1012582
💬 Discuss this project
1830Year Built
3Stories
B3Building Class
R7BZoning
4,562 sfGross Floor Area
2Units
Rent Stabilized18 Open Violations ▸
Two family converted from one family · Owner of record: 404 W 20 LLC · 2,700 sf lot · 1.69 FAR built · Flood zone X
Locations of Work
ArchitectureStructural
Permit Issued — active, not yet Signed-off
Penthouse1p · 1 filing · 3 docs
Floor 51p · 1 filing · 3 docs
Floor 4Under Construction54p · 1 filing · 17 docs
Floor 3Under Construction54p · 2 filings · 20 docs
Floor 2Under Construction53p · 1 filing · 17 docs
Floor 1Under Construction56p · 2 filings · 20 docs
CellarUnder Construction54p · 2 filings · 20 docs
BasementUnder Construction53p · 1 filing · 17 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
MISRA GROUP1607/08/2026
PLATINUM SERVICES NY703/22/2026
404 W 201003/21/2026
404 W 20 LLC C O WOLLMUTH303/21/2026
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
04/21/2015$7.4M—Private party → 404 W 20 LLC$1,628/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
MISRA & ASSOCIATES, P.C.208/16/2024
STRUCTURAL ENGINEERING INTEGRATED107/05/2022
ARUN RIMAL106/16/2022
KAM CHIU CONSULTING ENGINEER, P.C.206/15/2022
ASHRAF CORP105/26/2022
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
LLOYD NOEL BUILDING CONSULTANT603/21/2026
GREEN STUDIO203/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
PLATINUM SERVICES NY LLCGeneral Contractor603/21/2026
ADS CONSTRUCTION CORPGeneral Contractor307/08/2026
MELVYN ZWEBNERElectrical103/21/2026
EDMUND S. JOSEPHGeneral Contractor103/21/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
ALAN MARGOLIN & ASSOC423508/16/2024
Building Lifecycle
All (62)Filed (7)Permit Issued (5)Signed Off (1)Violation (19)Special Inspection (30)
04/29/2026
Violation issued (HPD, open)
A
11/17/2025
Violation issued (HPD, open)
I
06/04/2025
Violation issued (HPD, open)
A
03/13/2025
Violation issued (DOB, open)
V-DOB VIOLATION - ACTIVE
11/22/2024
Violation issued (HPD, open)
I
09/30/2024
Signed off — Alteration
M00742027-I1
09/30/2024
Permit issued — General Construction
M00738629-I1-GC
08/16/2024
Filed — ALT-CO - New Building with Existing Elements to Remain
FILING FOR AN ALT 1 APPLICATION, RENOVATING THE FRONT FACADE OF THE EXISTING BUILDING WITH AN HORIZONTAL ENLARGEMENT OF A 5 STORY SINGLE FAMILY HOUSE.
M00738629-P1
08/16/2024
Special inspection requirement — Masonry
Young Suh
08/16/2024
Special inspection requirement — Fire-Resistant Penetrations and Joints
Young Suh
08/16/2024
Special inspection requirement — Structural Stability – Alterations of existing buildings
Young Suh
08/16/2024
Special inspection requirement — Energy Code Compliance Inspections
Young Suh
08/16/2024
Special inspection requirement — Fire-Resistance Rated Construction
Young Suh
08/16/2024
Special inspection requirement — Air barrier — testing
Young Suh
08/16/2024
Special inspection requirement — Air barrier - visual inspection
Young Suh
08/16/2024
Special inspection requirement — Fenestration air leakage
Young Suh
08/16/2024
Special inspection requirement — Fenestration and door U-factor and product ratings
Young Suh
08/16/2024
Special inspection requirement — Interior lighting power
Young Suh
08/16/2024
Special inspection requirement — Insulation placement and R values
Young Suh
08/16/2024
Special inspection requirement — Lighting in dwelling units
Young Suh
08/16/2024
Special inspection requirement — Lighting controls
Young Suh
08/16/2024
Special inspection requirement — Fenestration areas
08/16/2024
Special inspection requirement — Exterior lighting power
Young Suh
04/01/2024
Violation issued (HPD, open)
A
11/15/2023
Violation issued (HPD, open)
I
09/05/2023
Permit issued — General Construction
M00738629-I1-GC
03/15/2023
Violation issued (HPD, open)
A
11/02/2022
Violation issued (HPD, open)
I
09/09/2022
Permit issued — General Construction
M00738629-I1-GC
07/05/2022
Filed — Alteration
FILING FOR EXCAVATION WORK IN ASSOCIATION OF ALT I FILING M00738629-I1. NO CHANGE IN USE, EGRESS OR OCCUPANCY WITH THIS APPLICATION.
M00738818-I1
06/16/2022
Filed — Alteration
STRUCTURAL STEEL FRAME TO REPLACE EXISTING WOOD JOIST 1 PASSENGER ELEVATOR.
M00738788-I1
06/15/2022
Filed — Alteration
M00738732-I1
06/15/2022
Filed — Alteration
BUILDING MECHANICAL SYSTEMS, INCLUDING ROOFTOP MECHANICAL EQUIPMENT
M00738773-I1
06/08/2022
Special inspection requirement — Maintenance information
06/08/2022
Special inspection requirement — Fire-Resistant Penetrations and Joints
Young Suh
06/08/2022
Special inspection requirement — Energy Code Compliance Inspections
Young Suh
06/08/2022
Special inspection requirement — HVAC-R and service water piping design and insulation
06/08/2022
Special inspection requirement — HVAC-R and service water heating equipment
06/08/2022
Special inspection requirement — Ventilation and air distribution system
06/08/2022
Special inspection requirement — HVAC-R and service water heating system controls
06/03/2022
Filed — ALT-CO - New Building with Existing Elements to Remain
FILING FOR AN ALT 1 APPLICATION, RENOVATING THE FRONT FACADE OF THE EXISTING BUILDING WITH AN HORIZONTAL ENLARGEMENT OF A 5 STORY SINGLE FAMILY HOUSE.
M00738629-I1
05/27/2022
Permit issued — Supported Scaffold
M00742027-I1-SF
05/27/2022
Permit issued — Sidewalk Shed
M00742027-I1-SH
05/26/2022
Filed — Alteration
M00742027-I1
05/18/2022
Special inspection requirement — Subsurface Conditions – Fill Placement & In-Place Density
Young Suh
05/18/2022
Special inspection requirement — Structural Steel - High Strength Bolting
Young Suh
05/18/2022
Special inspection requirement — Structural Steel - Welding
Young Suh
05/18/2022
Special inspection requirement — Subgrade Inspections
Young Suh
05/18/2022
Special inspection requirement — Lowest Floor Elevation
Young Suh
05/18/2022
Special inspection requirement — Excavations - Sheeting, Shoring, and Bracing
Young Suh
05/18/2022
Special inspection requirement — Concrete - Cast-In-Place
Young Suh
05/18/2022
Special inspection requirement — Masonry
Young Suh
02/16/2022
Violation issued (HPD, open)
I
02/16/2022
Violation issued (HPD, open)
A
04/01/2021
Violation issued (HPD, open)
I
04/01/2021
Violation issued (HPD, open)
A
10/25/2019
Violation issued (HPD, open)
I
10/10/2018
Violation issued (HPD, open)
I
11/06/2017
Violation issued (HPD, open)
I
10/26/2016
Violation issued (HPD, open)
I
Latest 60 of 62 events.
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWGeneral ConstructionPermit IssuedADS CONSTRUCTION CORP09/30/2024
DOB NOWGeneral ConstructionPermit IssuedADS CONSTRUCTION CORP09/05/2023
DOB NOWGeneral ConstructionPermit IssuedADS CONSTRUCTION CORP09/09/2022
DOB NOWSupported ScaffoldSigned-offPLATINUM SERVICES NY LLC05/27/2022
DOB NOWSidewalk ShedSigned-offPLATINUM SERVICES NY LLC05/27/2022
BISOTISSUEDEDMUND S. JOSEPH01/18/2019
BISEQISSUEDREPUBLIC SCAFFOLD&HOIST C11/05/2015
1 project · most recent 06/15/2022
Heating and Air Conditioning Systems Others
FiledStatusContractorScopeMake / Model / Capacity
06/15/2022——Heating and Air Conditioning Systems, Others
Heat / Cool
Mitsubishi Electric PURY-P120TKMU 135,000 BTU · Vrf Outdoor ×2
Other
Loren Cook DBR-4XL 150 CFM · Exhaust Fan ×1
GC-160 150 CFM · Exhaust Fan ×1
GN-420 100 CFM · Exhaust Fan ×1
Panasonic WHISPER 50 CFM ×1
1 project · most recent 05/20/2022
General Wiring
FiledStatusContractorScope
05/20/2022CompleteILLUMINOUS ELECTRIC CORP.General Wiring
2 projects · most recent 07/05/2022
Steel Concrete Masonry
FiledStatusContractorScope
07/05/2022——1 scope_items
06/16/2022——Steel, Concrete, Masonry
▾Special Inspection Requirements (DOB NOW) — 37
DateRequirementInspectorRole
08/16/2024MasonryYoung Suhspecial
08/16/2024Fire-Resistant Penetrations and JointsYoung Suhspecial
08/16/2024Structural Stability – Alterations of existing buildingsYoung Suhspecial
08/16/2024Energy Code Compliance InspectionsYoung Suhprogress
08/16/2024Fire-Resistance Rated ConstructionYoung Suhprogress
08/16/2024Air barrier — testing Young Suhenergy_progress
08/16/2024Air barrier - visual inspectionYoung Suhenergy_progress
08/16/2024Fenestration air leakageYoung Suhenergy_progress
08/16/2024Fenestration and door U-factor and product ratingsYoung Suhenergy_progress
08/16/2024Interior lighting powerYoung Suhenergy_progress
08/16/2024Insulation placement and R valuesYoung Suhenergy_progress
08/16/2024Lighting in dwelling unitsYoung Suhenergy_progress
08/16/2024Lighting controlsYoung Suhenergy_progress
08/16/2024Fenestration areas—energy_progress
08/16/2024Exterior lighting powerYoung Suhenergy_progress
06/08/2022Maintenance information—energy_progress
06/08/2022Fire-Resistant Penetrations and JointsYoung Suhspecial
06/08/2022Energy Code Compliance InspectionsYoung Suhprogress
06/08/2022HVAC-R and service water piping design and insulation—energy_progress
06/08/2022HVAC-R and service water heating equipment—energy_progress
06/08/2022Ventilation and air distribution system—energy_progress
06/08/2022HVAC-R and service water heating system controls—energy_progress
05/18/2022Subsurface Conditions – Fill Placement & In-Place DensityYoung Suhspecial
05/18/2022Structural Steel - High Strength BoltingYoung Suhspecial
05/18/2022Structural Steel - WeldingYoung Suhspecial
Latest 25 of 37.
▾Documents — 101 on file (BIS + DOB NOW)
▸Plans & Drawings7
▸DOB NOWPlans/Sketch7
09/02/2026M00742027-I1Request digital key ↗
09/02/2026M00738773-I1Request digital key ↗
09/02/2026M00738732-I1Request digital key ↗
Showing 3 of 7 on file for this type
▸Applications & Permits24
▸BISPLAN / WORK APPROVAL APPLICATION17
01/10/2024122663796Open ↗
07/07/2022122663796Open ↗
01/18/2019122978643Open ↗
Showing 3 of 17 on file for this type
▸DOB NOWLPC Approval/Permit5
09/02/2026M00738773-I1Open ↗
09/02/2026M00738732-I1Open ↗
08/13/2026M00738629-I1Open ↗
Showing 3 of 5 on file for this type
▸BISWORK PERMIT APPLICATION2
01/18/2019122663796Open ↗
11/19/2015122554805Open ↗
▸Zoning, Tax Lot & Property Records5
▸DOB NOWZoning Exhibit form (1-5)2
08/13/2026M00738629-P1Open ↗
08/13/2026M00738629-I1Open ↗
▸BISZONING DIAGRAM1
03/28/2017122916425Open ↗
▸BISZONING EXHIBIT I: CERTIFICATION1
03/28/2017122916425Open ↗
▸BISZONING EXHIBIT III:DESC. & OWNRSHP.STMNT1
03/28/2017122916425Open ↗
▸Seals & Professional Certifications28
▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION8
01/18/2019122663796Open ↗
12/23/2016122978643Open ↗
12/19/2016122966282Open ↗
Showing 3 of 8 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature7
09/02/2026M00738773-I1Open ↗
09/02/2026M00738732-I1Open ↗
08/26/2026M00738629-I1Open ↗
Showing 3 of 7 on file for this type
▸BISPROFESSIONAL CERTIFIED CHECKLIST4
12/23/2016122978643Open ↗
12/19/2016122966282Open ↗
10/27/2016122916425Open ↗
Showing 3 of 4 on file for this type
▸BISPROFESSIONAL CERTIFICATION STATEMENT4
12/23/2016122978643Open ↗
12/19/2016122966282Open ↗
10/27/2016122916425Open ↗
Showing 3 of 4 on file for this type
▸BISProfessional and Owner Certification (POC3)2
10/27/2016122916425Open ↗
11/19/2015122554805Open ↗
▸DOB NOWProgress Inspector Seal & Signature2
08/31/2026M00738629-P1Open ↗
08/31/2026M00738629-P1Open ↗
▸DOB NOWSpecial Inspector Seal & Signature1
08/31/2026M00738629-P1Open ↗
▸Trade Schedules & Equipment1
▸BISSCHEDULE B - PLUMBING/SPRINKLER/STANDPIPE1
10/26/2016122916425Open ↗
▸Safety & Tenant Protection4
▸BISTenant Protection Plan and Notes2
03/28/2017122966282Open ↗
03/28/2017122916425Open ↗
▸BISDEMOLITION SUBMITTAL CERTIFICATION FORM1
12/23/2016122978643Open ↗
▸BISSTREET TREE CHECKLIST1
10/27/2016122916425Open ↗
▸Environmental & Asbestos2
▸BISASBESTOS: CERTIFICATION (DEP ACP5)1
01/28/2016122663796Open ↗
▸DOB NOWDEP ACP-20/ACP-21: Asbestos Project Conditional Completion Form/Asbestos Project Completion Form1
08/26/2026M00738629-I1Open ↗
▸Energy Compliance5
▸BISTECHNICAL REPORT: ENERGY CODE PROGRESS INSPS5
01/27/2017122966282Open ↗
12/23/2016122978643Open ↗
10/27/2016122916425Open ↗
Showing 3 of 5 on file for this type
▸Approvals, Objections & Sign-offs8
▸BISLANDMARKS APPROVAL4
02/09/2017122978643Open ↗
01/27/2017122966282Open ↗
01/27/2017122916425Open ↗
Showing 3 of 4 on file for this type
▸BISLETTERS - SUPPORTING DOCUMENTATION2
01/27/2017122966282Open ↗
01/27/2017122916425Open ↗
▸BISSCHEDULE A - OCCUPANCY / USE2
03/28/2017122916425Open ↗
10/27/2016122916425Open ↗
▸Cost, Insurance & Ownership5
▸BISCOST AFFIDAVIT4
12/23/2016122978643Open ↗
12/19/2016122966282Open ↗
10/27/2016122916425Open ↗
Showing 3 of 4 on file for this type
▸BISHIC LICENSE OR AFFIDAVIT1
01/18/2019122663796Open ↗
▸Filing & Intake Forms7
▸BISEFILING COVER SHEET7
12/23/2016122978643Open ↗
12/19/2016122966282Open ↗
10/27/2016122916425Open ↗
Showing 3 of 7 on file for this type
▸Other Documents5
▸DOB NOWSite Survey: Initial2
08/13/2026M00738629-P1Open ↗
08/13/2026M00738629-I1Open ↗
▸DOB NOWProperty Ownership Certification2
08/26/2026M00738629-I1Open ↗
08/26/2026M00738629-P1Open ↗
▸BISPLOT DIAGRAM1
10/27/2016122916425Open ↗