Predominantly retail with other uses

123 WEST 20 STREET

MANHATTAN · BIN 1014749

💬 Discuss this project

1900Year Built

5Stories

K4Building Class

C6-3AZoning

22,104 sfGross Floor Area

9Units

0 Open Violations

Predominantly retail with other uses · Owner of record: HONG DIEP REALTY INC · 4,208 sf lot · 5.25 FAR built · Flood zone X

Locations of Work

ArchitectureStructuralPlumbing

Roof4p · 1 filing · 14 docs

Floor 510p · 1 filing · 20 docs

Floor 46p · 1 filing · 14 docs

Floor 313p · 2 filings · 20 docs

Floor 23p · 1 filing · 14 docs

Floor 15p · 2 filings · 17 docs

Cellar2p · 1 filing · 14 docs

2 jobs · most recent 01/07/2026

Water/Sanitary Gas

Filed	Status	Contractor	Scope
01/07/2026	Permit Issued	DYNAMIC PLBG & SPRKLR COR	Gas, Water/Sanitary
08/06/2024	Permit Issued	DYNAMIC PLBG & SPRKLR COR	Water/Sanitary

1 job · most recent 10/12/2025

Filed	Status	Contractor	Scope
10/12/2025	Permit Issued	TUXEDO ELEC'L CONTR'G INC	—

1 job · most recent 02/16/2024

Sidewalk Shed

Filed	Status	Contractor	Scope
02/16/2024	Permit Issued	ACE GROUP NY CORP	Sidewalk Shed

Building Lifecycle

All (104)Filed (9)Permit Issued (6)Violation (25)Inspection (7)Objection (38)Special Inspection (19)

07/27/2026

Filed — Alteration

INTERIOR RENOVATION 1ST FLOOR COMMERCIAL SPACE NEW PARTITIONS, REPLACE MRI EQUIPMENT, AND REPLACE AND RELOCATE BATHROOM PLUMBING FIXTURES. NO CHANGE TO USE EGRESS OR OCCUPANCY.

M01425302-I1

07/23/2026

Special inspection requirement — Fire-Resistant Penetrations and Joints

07/23/2026

Special inspection requirement — Final

03/12/2026

Permit issued — Plumbing

M01176801-S1-PL

02/10/2026

Inspection — Pass-Final CND-Occupancy Inspection

Pass

View inspection ↗

01/07/2026

Filed — Alteration CO

PROPOSED PARTIAL INTERIOR RENOVATION OF AN EXISTING 5 STORY BRICK BUILDING +BULKHEAD WITH CELLAR. "PLUMBING WORKS ONLY". NO CHANGE IN BULK OR IN EGRESS.

M01176801-S1

01/06/2026

Special inspection requirement — Maintenance information

XIUCHENG LI

12/30/2025

Permit issued — General Construction

M01176801-I1-GC

11/20/2025

Objection resolved — Addressed

11/20/2025

Objection resolved — Addressed

11/13/2025

Objection resolved — Addressed

11/13/2025

Objection resolved — Addressed

11/13/2025

Objection resolved — Addressed

09/26/2025

Objection resolved — Addressed

09/22/2025

Objection raised — Scope

09/22/2025

Objection raised — Scope

09/22/2025

Objection raised — Scope

08/28/2025

Inspection — Certified Gas-Gas-Piping-Roughing

Certified

View inspection ↗

08/28/2025

Inspection — Certified Storm Drainage-ST-Piping-Roughing

Certified

View inspection ↗

08/28/2025

Inspection — Certified Storm Drainage-ST-Piping-Underground

Certified

View inspection ↗

08/28/2025

Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing

Certified

View inspection ↗

08/22/2025

Objection resolved — Addressed

08/19/2025

Objection resolved — Addressed

08/19/2025

Objection resolved — Addressed

08/19/2025

Objection resolved — Addressed

08/18/2025

Objection raised — Admin

08/18/2025

Objection raised — Scope

07/15/2025

Objection resolved — Addressed

07/15/2025

Objection resolved — Addressed

07/15/2025

Objection resolved — Addressed

07/11/2025

Objection resolved — Addressed

06/13/2025

Objection resolved — Addressed

06/13/2025

Objection resolved — Addressed

03/03/2025

Objection raised — Scope

03/03/2025

Objection raised — Zoning

03/03/2025

Objection raised — Scope

03/03/2025

Objection raised — Scope

03/03/2025

Objection raised — Admin

03/03/2025

Objection raised — Energy

02/27/2025

Objection raised — Scope

02/27/2025

Objection raised — Scope

02/27/2025

Objection raised — Scope

02/27/2025

Objection raised — Scope

02/27/2025

Objection raised — Scope

02/18/2025

Special inspection requirement — HVAC-R and service water heating system controls

XIUCHENG LI

02/18/2025

Special inspection requirement — HVAC-R and service water heating equipment

XIUCHENG LI

02/18/2025

Special inspection requirement — HVAC-R and service water piping design and insulation

XIUCHENG LI

02/13/2025

Special inspection requirement — Fire-Resistant Penetrations and Joints

XIUCHENG LI

02/13/2025

Special inspection requirement — Tenant Protection Plan Compliance

XIUCHENG LI

02/13/2025

Special inspection requirement — Energy Code Compliance Inspections

XIUCHENG LI

02/11/2025

Inspection — Pass-Final CND-Occupancy Inspection

Pass

View inspection ↗

02/07/2025

Filed — Alteration CO

PROPOSED PARTIAL INTERIOR RENOVATION OF AN EXISTING 5 STORY BRICK BUILDING +BULKHEAD WITH CELLAR. "PLUMBING WORKS ONLY". NO CHANGE IN BULK OR IN EGRESS.

M01176801-I1

12/03/2024

Inspection — Pass-Final General Construction Non-Directive 14

Pass

View inspection ↗

08/07/2024

Objection raised — Other

08/07/2024

Objection resolved — Addressed

08/07/2024

Objection raised — Other

08/07/2024

Objection resolved — Addressed

08/07/2024

Special inspection requirement — Tenant Protection Plan Compliance

08/07/2024

Special inspection requirement — Tenant Protection Plan Compliance

XIUCHENG LI

08/07/2024

Special inspection requirement — Energy Code Compliance Inspections

XIUCHENG LI

Latest 60 of 104 events.

▾Owner History (Filing Record)

Companies and organizations named on filings. Individual owners are not shown.

Owner	Filings	Most Recent
ACE GROUP NY	4	07/08/2026
HONG DIEP REALTY	54	07/08/2026
ASIA BANK N.A.	1	03/22/2026
LCAT VENTURES	11	03/21/2026

▾Design Consultants (Architect / Engineer of Record)

Firm	Filings	Most Recent
ADB ASSOCIATES	1	07/27/2026
BAYSIDE ENGINEERING PC	6	01/07/2026
ARQUITECTURA VARELA	1	03/13/2024
VOLUME SPACE CONSULTING INC.	1	02/16/2024

▾Filing Representatives (Expediters)

Representative	Filings	Most Recent
HONG DIEP REALTY	6	03/21/2026

▾Contractors (License-Anchored)

Firm	Trade	Roles	Most Recent
LXC CONSTRUCTION INC	General Contractor	4	04/09/2026
DYNAMIC PLBG & SPRKLR COR	Plumbing	2	07/08/2026
ACE GROUP NY CORP	General Contractor	1	07/08/2026
JOHN AHRENS	Electrical	1	03/21/2026
MUSHTAQ AHMAD	General Contractor	1	03/21/2026
DEAN CONTRACTING GROUP IN	General Contractor	1	07/08/2026
LENNOX NELSON	Electrical	1	03/21/2026

▾Special Inspection Agencies

Agency	License #	Filings	Most Recent
SD TESTING & INSPECTION S	7010	4	01/07/2026
AA BUILDING & INSPECTION	1519	1	03/13/2024
BUTTERFIELD & O'CONNOR	4189	1	03/13/2024

Permit / Filing Register

Source	Work Type	Status	Applicant	Issued
DOB NOW	Plumbing	Permit Issued	CITYWIDE PLBG HTG & SPKLS	03/12/2026
DOB NOW	General Construction	Permit Issued	LXC CONSTRUCTION INC	12/30/2025
DOB NOW	Plumbing	Permit Issued	CITYWIDE PLBG HTG & SPKLS	06/06/2024
DOB NOW	General Construction	Signed-off	LXC CONSTRUCTION INC	06/04/2024
DOB NOW	General Construction	Permit Issued	DEAN CONTRACTING GROUP IN	03/29/2024
DOB NOW	Sidewalk Shed	Permit Issued	ACE GROUP NY CORP	02/20/2024
BIS	—	ISSUED	COCOZZA GROUP LLC	03/19/2020
BIS	MH	ISSUED	M. INT'L ENGINEERING PLLC	02/14/2018
BIS	PL	ISSUED	AJIT ONE MECH&GEN'L CONTR	12/20/2017
BIS	MH	ISSUED	L2 CONSTRUCTION INC	08/16/2017
BIS	MH	ISSUED	M. INT'L ENGINEERING PLLC	05/01/2017
BIS	OT	ISSUED	M. INT'L ENGINEERING PLLC	04/04/2017
BIS	SP	ISSUED	CASE PLUMBING LLC	02/27/2017
BIS	—	ISSUED	PAUL SIGNS, INC	02/16/2017
BIS	PL	ISSUED	VMC PLUMBING & HEATING IN	01/11/2017
BIS	OT	ISSUED	COCOZZA GROUP LLC	01/06/2017
BIS	MH	ISSUED	COCOZZA GROUP LLC	01/06/2017
BIS	OT	ISSUED	M. INT'L ENGINEERING PLLC	10/19/2016
BIS	PL	ISSUED	TRIBORO WTR MN & SWR CO C	05/10/2013
BIS	OT	ISSUED	LIN CONSTRUCTION INC	05/08/2013
BIS	PL	ISSUED	S & L PLUMBING INC	03/01/2013
BIS	—	ISSUED	LIN CONSTRUCTION INC	02/26/2013
BIS	EQ	ISSUED	SKYRISE GENERAL CONTRACTO	09/22/2011
BIS	EQ	ISSUED	PIONEER GENERAL CONSTRUCT	09/20/2011
BIS	PL	ISSUED	GANIC PLUMBING & HTG INC	01/24/2008
BIS	—	ISSUED	METAL STONE CONSTRUCTION	09/13/2007
BIS	MH	ISSUED	PAN STON INC	12/15/1998
BIS	EQ	ISSUED	PANE STONE CONSTRUCTION CORP.	06/23/1993
BIS	OT	ISSUED	PANE STONE CONSTRUCTION CORP.	06/14/1993
BIS	—	ISSUED	PANE STONE CONST.CORP.	06/14/1993
BIS	PL	ISSUED	MAGOR PLUMBING & HEATING	11/09/1992
BIS	—	ISSUED	PANE STONE CONST.CORP.	09/11/1992
BIS	EQ	ISSUED	PANE STONE CONSTRUCTION CORP.	06/03/1992

▾Field Inspections (DOB CAP) — 7

Date	Type	Result	Report
02/10/2026	Pass-Final CND-Occupancy Inspection	Pass	View ↗
08/28/2025	Certified Gas-Gas-Piping-Roughing	Certified	View ↗
08/28/2025	Certified Storm Drainage-ST-Piping-Roughing	Certified	View ↗
08/28/2025	Certified Storm Drainage-ST-Piping-Underground	Certified	View ↗
08/28/2025	Certified Water and Sanitary-WS-Sanitary Piping-Roughing	Certified	View ↗
02/11/2025	Pass-Final CND-Occupancy Inspection	Pass	View ↗
12/03/2024	Pass-Final General Construction Non-Directive 14	Pass	View ↗

▾Special Inspection Requirements (DOB NOW) — 19

Date	Requirement	Inspector	Role
07/23/2026	Fire-Resistant Penetrations and Joints	—	special
07/23/2026	Final	—	progress
01/06/2026	Maintenance information	XIUCHENG LI	energy_progress
02/18/2025	HVAC-R and service water heating system controls	XIUCHENG LI	energy_progress
02/18/2025	HVAC-R and service water heating equipment	XIUCHENG LI	energy_progress
02/18/2025	HVAC-R and service water piping design and insulation	XIUCHENG LI	energy_progress
02/13/2025	Fire-Resistant Penetrations and Joints	XIUCHENG LI	special
02/13/2025	Tenant Protection Plan Compliance	XIUCHENG LI	special
02/13/2025	Energy Code Compliance Inspections	XIUCHENG LI	progress
08/07/2024	Tenant Protection Plan Compliance	—	special
08/07/2024	Tenant Protection Plan Compliance	XIUCHENG LI	special
08/07/2024	Energy Code Compliance Inspections	XIUCHENG LI	progress
08/07/2024	Fire-Resistance Rated Construction	XIUCHENG LI	progress
08/07/2024	Interior lighting power	XIUCHENG LI	energy_progress
08/06/2024	Tenant Protection Plan Compliance	XIUCHENG LI	special
08/06/2024	Energy Code Compliance Inspections	XIUCHENG LI	progress
08/06/2024	Fire-Resistance Rated Construction	XIUCHENG LI	progress
08/06/2024	Interior lighting power	XIUCHENG LI	energy_progress
08/06/2024	Tenant Protection Plan Compliance	—	special

▾Documents — 367 on file (BIS + DOB NOW)

▸Plans & Drawings9

▸DOB NOWPlans/Sketch9

08/28/2026M01006650-I1Request digital key ↗

08/27/2026M01012538-I1Request digital key ↗

08/26/2026M01017488-P3Request digital key ↗

Showing 3 of 9 on file for this type

▸Applications & Permits65

▸BISPLAN / WORK APPROVAL APPLICATION41

05/12/2020122989070Open ↗

07/25/2019123000019Open ↗

02/15/2018123191330Open ↗

Showing 3 of 41 on file for this type

▸BISWORK PERMIT APPLICATION21

01/14/2022123000019Open ↗

03/20/2020123000019Open ↗

02/15/2018123191330Open ↗

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▸BISCERTIFICATE OF OCCUPANCY: APPLICATION3

12/20/2021123000019Open ↗

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▸Zoning, Tax Lot & Property Records3

▸BISZONING EXHIBIT III:DESC. & OWNRSHP.STMNT1

On file, but not among the 200 most recently loaded documents for this source.

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▸BISZONING EXHIBIT I: CERTIFICATION1

On file, but not among the 200 most recently loaded documents for this source.

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▸DOB NOWHouse Number Verification: TOPO Stamp1

08/13/2026M01176801-I1Open ↗

▸Seals & Professional Certifications75

▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION30

03/20/2020123000019Open ↗

05/02/2018122981639Open ↗

Showing 3 of 30 on file for this type

▸BISPROFESSIONAL CERTIFIED CHECKLIST10

02/15/2018123191330Open ↗

09/12/2017140682731Open ↗

05/12/2017123090797Open ↗

Showing 3 of 10 on file for this type

▸DOB NOWDPL-1: Design Professional Seal & Signature9

08/27/2026M01012538-I1Open ↗

08/26/2026M01017488-P3Open ↗

08/26/2026M01017488-P1Open ↗

Showing 3 of 9 on file for this type

▸BISPROFESSIONAL CERTIFICATION STATEMENT8

02/15/2018123191330Open ↗

08/15/2017140682731Open ↗

05/12/2017123090797Open ↗

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▸DOB NOWProgress Inspector Seal & Signature8

09/18/2026M01176801-S1Open ↗

08/25/2026M01017488-I1Open ↗

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▸BISPROFESSIONAL CERTIFICATION STATEMENT FORM3

On file, but not among the 200 most recently loaded documents for this source.

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▸DOB NOWSpecial Inspector Seal & Signature3

09/18/2026M01176801-S1Open ↗

08/25/2026M01017488-I1Open ↗

08/24/2026M01017488-P3Open ↗

▸BISREQUIRED ITEMS CHECKLIST FOR PROFESSIONAL CERTIFICATION2

08/15/2017140682731Open ↗

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▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY2

08/15/2017140682731Open ↗

Showing 1 of 2 on file for this type

▸Trade Schedules & Equipment45

▸BISEQUIPMENT USE PERMITS16

02/28/2018123090797Open ↗

01/04/2018123090797Open ↗

09/12/2017140682731Open ↗

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▸BISSCHEDULE B - PLUMBING9

On file, but not among the 200 most recently loaded documents for this source.

Showing 0 of 9 on file for this type

▸BISSCHEDULE B - PLUMBING/SPRINKLER/STANDPIPE8

12/14/2017122807668Open ↗

12/13/2017122807668Open ↗

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▸BISSELF-CERT PLUMBING NOTICE7

On file, but not among the 200 most recently loaded documents for this source.

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▸BISEQUIPMENT USE APPLICATION/PERMIT4

02/28/2018123191330Open ↗

01/04/2018123090797Open ↗

09/27/2017140682731Open ↗

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▸BISSPRINKLER INSP REPORT : FP-851

On file, but not among the 200 most recently loaded documents for this source.

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▸Safety & Tenant Protection13

▸BISTenant Protection Plan and Notes5

02/15/2018123191330Open ↗

05/12/2017123090797Open ↗

12/30/2016122981639Open ↗

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▸BISST-1 Street Tree Checklist2

On file, but not among the 200 most recently loaded documents for this source.

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▸BISSTREET TREE CHECKLIST2

01/25/2017123000019Open ↗

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▸BISEXCAVATION OR DEMOLITION: 5-DAY NOTICE1

On file, but not among the 200 most recently loaded documents for this source.

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▸BISDEMOLITION SUBMITTAL CERTIFICATION FORM1

On file, but not among the 200 most recently loaded documents for this source.

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▸DOB NOWStreet Tree Checklist1

08/15/2026M01176801-I1Open ↗

▸DOB NOWParks Department Acknowledgment Letter for Street Trees Plan1

08/13/2026M01176801-I1Open ↗

▸Environmental & Asbestos20

▸BISASBESTOS: CERTIFICATION (DEP ACP5)8

05/12/2017123090797Open ↗

02/24/2017122988892Open ↗

01/25/2017123000019Open ↗

Showing 3 of 8 on file for this type

▸DOB NOWDEP ACP-5: Asbestos Assessment Report8

08/27/2026M01012538-I1Open ↗

08/26/2026M01017488-P1Open ↗

08/26/2026M01017488-S1Open ↗

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▸BISASBESTOS EXEMPTION CERTIFICATION LETTER2

On file, but not among the 200 most recently loaded documents for this source.

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▸BISASBESTOS: EXEMPTION (ASB4)1

07/14/2015122462913Open ↗

▸BISTHIS IS NOT AN ASBESTOS PROJECT1

On file, but not among the 200 most recently loaded documents for this source.

Showing 0 of 1 on file for this type

▸Energy Compliance26

▸BISTECHNICAL REPORT: ENERGY CODE PROGRESS INSPS15

03/20/2020123000019Open ↗

05/02/2018122981639Open ↗

02/28/2018123191330Open ↗

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▸BISAS-BUILT ENERGY ANALYSIS7

05/02/2018122981639Open ↗

02/28/2018123191330Open ↗

01/11/2018123090797Open ↗

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▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY FOR ENERGY CODE PROGRESS INSPECTIONS2

08/15/2017140682731Open ↗

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▸BISTR8: Energy Code Progress Inspections1

On file, but not among the 200 most recently loaded documents for this source.

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▸BISTECHNICAL REPORT: ENERGY CODE - RESPONSIBILITY1

08/15/2017140682731Open ↗

▸Inspections & Test Reports4

▸BISTECHNICAL REPORT: RESPONSIBILITY2

08/15/2017140682731Open ↗

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▸BISDEP Hydrant Flow Test Letter1

On file, but not among the 200 most recently loaded documents for this source.

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▸BISTECHNICAL REPORT: PILE DRIVING1

01/11/2018123090797Open ↗

▸Approvals, Objections & Sign-offs41

▸BISCERTIFICATE OF OCCUPANCY/LOC: REQUEST17

05/02/2018122981639Open ↗

02/28/2018123191330Open ↗

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▸BISLETTERS - SUPPORTING DOCUMENTATION10

06/26/2017121183682Open ↗

08/20/2014121183682Open ↗

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▸BISSCHEDULE A - OCCUPANCY - USE10

08/20/2019123000019Open ↗

07/25/2019123000019Open ↗

01/25/2017123000019Open ↗

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▸BISADMINISTRATIVE OBJECTIONS3

On file, but not among the 200 most recently loaded documents for this source.

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▸BISCCD1-Construction Code Determination1

On file, but not among the 200 most recently loaded documents for this source.

Showing 0 of 1 on file for this type

▸Cost, Insurance & Ownership22

▸BISCOST AFFIDAVIT21

05/02/2018122981639Open ↗

02/28/2018123191330Open ↗

02/15/2018123191330Open ↗

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▸BISPROJECT-SPECIFIC GL INSURANCE1

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▸Filing & Intake Forms35

▸BISEFILING COVER SHEET13

02/15/2018123191330Open ↗

01/24/2018123073501Open ↗

05/12/2017123090797Open ↗

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▸BISADDITIONAL INFORMATION10

06/09/2017122981639Open ↗

03/02/2017122981639Open ↗

02/28/2017122981639Open ↗

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▸BISBOROUGH INTAKE FORM9

03/20/2020123000019Open ↗

05/02/2018122981639Open ↗

02/28/2018123191330Open ↗

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▸BISEFILING JOB APPLICATION COVER SHEET3

08/15/2017140682731Open ↗

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▸Other Documents9

▸BISEXTERNAL FORMS - SUPPORTING DOCUMENTATION5

09/27/2017140682731Open ↗

08/20/2014121183682Open ↗

08/19/2014121183682Open ↗

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▸BISPLOT DIAGRAM2

06/26/2017121183682Open ↗

07/29/2015122462913Open ↗

▸DOB NOWProperty Ownership Certification1

08/15/2026M01176801-I1Open ↗

▸DOB NOWFinal Survey1

08/13/2026M01176801-I1Open ↗