Walk-up cooperative

434 WEST 23RD STREET

MANHATTAN · BIN 1012703

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1854Year Built

6Stories

C6Building Class

R7BZoning

—Gross Floor Area

5Units

2 Active Violations ▸FDNY Report ↗

Walk-up cooperative · Owner of record: 434 West 23rd St Tenants · 2.95 FAR built · Flood zone X

Locations of Work

No floor-level scope or filed-document coverage on file for this building.

▾Owner History (Filing Record)

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

Owner	Filings	Most Recent
434 West 23 St Tenants	10	03/22/2026

Building Lifecycle

All (11)Violation (11)

04/29/2026

Violation issued (HPD, open)

06/04/2025

Violation issued (HPD, open)

04/01/2024

Violation issued (HPD, closed)

03/15/2023

Violation issued (HPD, closed)

10/27/2015

Violation issued (ECB, closed)

Construction

02/03/2015

Violation issued (HPD, closed)

04/17/2009

Violation issued (ECB, closed)

Unknown

01/01/2009

Violation issued (DOB, closed)

V-DOB VIOLATION - ACTIVE

01/19/2007

Violation issued (DOB, closed)

V*-DOB VIOLATION - DISMISSED

02/13/2004

Violation issued (DOB, closed)

V*-DOB VIOLATION - DISMISSED

03/19/2003

Violation issued (DOB, closed)

V*-DOB VIOLATION - DISMISSED

Permit / Filing Register

Source	Work Type	Status	Applicant	Issued
BIS	PL	ISSUED	Nationwide Mechanical	10/12/2022
BIS	PL	ISSUED	Nationwide Mechanical	08/12/2021
BIS	PL	ISSUED	Authentic Plumbing	09/21/2018
BIS	OT	ISSUED	FSB Consulting	02/21/2018
BIS	MH	RE-ISSUED	FSB Consulting	01/10/2018
BIS	PL	ISSUED	Authentic Plumbing	08/15/2017
BIS	OT	ISSUED	FSB Consulting	07/26/2017
BIS	OT	ISSUED	FSB Consulting	07/24/2017
BIS	OT	ISSUED	Terry Design	03/01/2016
BIS	EQ	ISSUED	Lhotse	04/04/2012
BIS	OT	ISSUED	Lhotse	01/24/2012

Nothing on file for this building.

▾Documents — 114 on file (BIS + DOB NOW)

▸Applications & Permits20

▸BISPLAN / WORK APPROVAL APPLICATION10

08/23/2022123052169Open ↗

08/22/2022123052169Open ↗

11/16/2021123052169Open ↗

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▸BISWORK PERMIT APPLICATION9

08/12/2021123052169Open ↗

02/23/2018123052169Open ↗

01/11/2018123052169Open ↗

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▸BISNon-Directive 14 Construction Sign Off Including Sign Applications1

04/11/2013120879219Open ↗

▸Seals & Professional Certifications16

▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION12

05/23/2017123052169Open ↗

03/24/2017123052169Open ↗

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▸BISPROFESSIONAL CERTIFIED CHECKLIST2

01/27/2016122661039Open ↗

04/06/2012121030464Open ↗

▸BISPROFESSIONAL CERTIFICATION STATEMENT1

01/27/2016122661039Open ↗

▸BISPROFESSIONAL CERTIFICATION STATEMENT FORM1

04/06/2012121030464Open ↗

▸Trade Schedules & Equipment10

▸BISEQUIPMENT USE APPLICATION/PERMIT3

06/26/2023123052169Open ↗

05/11/2023123052169Open ↗

04/24/2023123052169Open ↗

▸BISSCHEDULE B - PLUMBING2

08/23/2022123052169Open ↗

11/16/2021123052169Open ↗

▸BISSCHEDULE B - PLUMBING/SPRINKLER/STANDPIPE2

03/13/2019123052169Open ↗

02/21/2019123052169Open ↗

▸BISEQUIPMENT USE PERMITS2

06/26/2023123052169Open ↗

04/24/2023123052169Open ↗

▸BISJAMAICA: DEP SEWER CONNECTION APPROVAL1

06/23/2017123052169Open ↗

▸Safety & Tenant Protection4

▸BISTenant Protection Plan and Notes2

05/23/2017123052169Open ↗

05/09/2017123052169Open ↗

▸BISEXCAVATION - SHEETING, SHORING, AND BRACING1

03/28/2023123052169Open ↗

▸BISDEMOLITION SUBMITTAL CERTIFICATION FORM1

05/09/2017123052169Open ↗

▸Environmental & Asbestos5

▸BISTHIS IS 'NOT AN ASBESTOS PROJECT'3

04/06/2012121030464Open ↗

11/02/2011120879219Open ↗

▸BISASBESTOS: CERTIFICATION (DEP ACP5)2

03/24/2017123052169Open ↗

01/27/2016122661039Open ↗

▸Energy Compliance15

▸BISTECHNICAL REPORT: ENERGY CODE PROGRESS INSPS5

05/23/2017123052169Open ↗

03/24/2017123052169Open ↗

06/09/2016122661039Open ↗

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▸BISAS-BUILT ENERGY ANALYSIS2

06/09/2016122661039Open ↗

04/11/2013120879219Open ↗

▸BISLIGHTING IN DWELLING UNITS1

04/10/2023123052169Open ↗

▸BISENERGY CODE COMPLIANCE INSPECTIONS1

03/28/2023123052169Open ↗

▸BISLIGHTING CONTROLS1

04/10/2023123052169Open ↗

▸BISTECHNICAL REPORT: ENERGY1

11/02/2011120879219Open ↗

▸BISAS-BUILT ENERGY ANALYSIS (EN2)1

04/10/2023123052169Open ↗

▸BISEXTERIOR LIGHTING POWER1

04/10/2023123052169Open ↗

▸BISINTERIOR LIGHTING POWER1

04/10/2023123052169Open ↗

▸BISTECHNICAL REPORT: ENERGY CODE - RESPONSIBILITY1

08/01/2022123052169Open ↗

▸Inspections & Test Reports11

▸BISTECHNICAL REPORT: RESPONSIBILITY2

04/07/2023123052169Open ↗

08/01/2022123052169Open ↗

▸BISPOST-INSTALLED ANCHORS1

03/28/2023123052169Open ↗

▸BISSUBGRADE INSP / SOILS-SITE PREP1

03/28/2023123052169Open ↗

▸BISMECHANICAL SYSTEMS1

03/28/2023123052169Open ↗

▸BISFRAME (2008)/STRUCTURAL WOOD FRAME (2014) INSPECTION1

03/28/2023123052169Open ↗

▸BISCONCRETE - CAST-IN-PLACE1

03/28/2023123052169Open ↗

▸BISSTRUCTURAL STEEL - DETAILS1

03/28/2023123052169Open ↗

▸BISFIRE-RESISTANT PENETRATIONS AND JOINTS (FIRESTOP)1

03/28/2023123052169Open ↗

▸BISFIRE-RESISTIVE RATED CONSTRUCTION1

03/28/2023123052169Open ↗

▸BISMASONRY1

03/28/2023123052169Open ↗

▸Approvals, Objections & Sign-offs13

▸BISLANDMARKS APPROVAL4

06/09/2016122661039Open ↗

02/29/2016122661039Open ↗

04/10/2012121030464Open ↗

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▸BISCERTIFICATE OF OCCUPANCY/LOC: REQUEST3

05/11/2023123052169Open ↗

06/09/2016122661039Open ↗

04/11/2013120879219Open ↗

▸BISADMINISTRATIVE OBJECTIONS2

04/06/2012121030464Open ↗

11/02/2011120879219Open ↗

▸BISFINAL1

04/07/2023123052169Open ↗

▸BISSUPERSEDING LETTER1

08/12/2021123052169Open ↗

▸BISLANDMARKS SIGNOFF1

05/10/2023123052169Open ↗

▸BISSCHEDULE A - OCCUPANCY / USE1

03/06/2019123052169Open ↗

▸Cost, Insurance & Ownership8

▸BISCOST AFFIDAVIT7

08/01/2022123052169Open ↗

03/24/2017123052169Open ↗

06/09/2016122661039Open ↗

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▸BISCOST AFFIDAVIT (FINAL): PW31

03/28/2023123052169Open ↗

▸Filing & Intake Forms10

▸BISEFILING COVER SHEET4

03/24/2017123052169Open ↗

01/27/2016122661039Open ↗

04/06/2012121030464Open ↗

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▸BISBOROUGH INTAKE FORM4

03/13/2019123052169Open ↗

03/06/2019123052169Open ↗

02/21/2019123052169Open ↗

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▸BISADDITIONAL INFORMATION2

11/30/2021123052169Open ↗

05/23/2017123052169Open ↗

▸Other Documents2

▸BISUNDERPINNING1

03/28/2023123052169Open ↗

▸BISPRELIMINARY1

03/28/2023123052169Open ↗