Office with apartments (no commercial)

31 WASHINGTON SQUARE W

MANHATTAN · BIN 1008893

💬 Discuss this project

1845Year Built

6Stories

O8Building Class

R7-2Zoning

16,420 sfGross Floor Area

10Units

3 Open Violations ▸

Office with apartments (no commercial) · 2,867 sf lot · 5.73 FAR built · Flood zone X

Locations of Work

Sub-Cellar1 filing · 6 docs

▾Owner History (Filing Record)

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

Owner	Filings	Most Recent
XINOS CONSTRUCTION	31	07/08/2026
31 WASHINGTON SQUARE PRO	2	03/21/2026
NEW YORK UNIVERSITY	1	03/21/2026
WASHINGTON SO BRDG ASSOC	1	03/21/2026

▾Design Consultants (Architect / Engineer of Record)

Firm	Filings	Most Recent
NY RESTORATION TECHNOLOGY CORP	5	11/17/2021
DMYTRO CHORNOBRYVETS ARCHITECT,PLLC	1	08/17/2020
ADNAN ENGINEERING, P.C.	2	10/04/2019

▾Filing Representatives (Expediters)

Representative	Filings	Most Recent
XINOS CONSTRUCTION	10	03/21/2026

▾Contractors (License-Anchored)

Firm	Trade	Roles	Most Recent
XINOS CONSTRUCTION CORP	General Contractor	21	07/08/2026
LEONE, PETER	Electrical	2	03/21/2026
ROOPCHAN, BICKRAM	Electrical	2	03/21/2026
MARK COSTOSO	Electrical	1	03/21/2026
BRIGHTWOOD CARPENTRY INC	General Contractor	1	07/08/2026

▾Special Inspection Agencies

Agency	License #	Filings	Most Recent
NY RESTORATION TECHNOLOGY	6187	1	11/17/2021
INTEGRITY CONSULTING SERV	666	1	08/17/2020

Building Lifecycle

All (59)Filed (8)Permit Issued (17)Signed Off (5)Violation (21)Inspection (2)Special Inspection (6)

02/17/2026

Signed off — Alteration

INSTALLATION OF TEMPORARY SIDEWALK SHED AS PER PLAN SUBMITTED. WORK SHALL COMPLY WITH 2014 BUILDING CODES CHAPTER 33. NO CHANGE IN USE, EGRESS OR OCCUPANCY.

M00232479-I1

02/16/2026

Signed off — Alteration

INSTALLATION OF A TEMPORARY SIDEWALK SHED AS PER PLANS SUBMITTED. WORK SHALL COMPLY WITH 2014 BUILDING CODES, CHAPTER 33.NO CHANGE IN USE, EGRESS OR OCCUPANCY.

M00621612-I1

06/02/2023

Signed off — Alteration

M00631292-I1

01/22/2023

Inspection — Certified Water and Sanitary-WS-Fixtures-Finish

Certified

View inspection ↗

12/15/2022

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

Certified

View inspection ↗

07/08/2022

Permit issued — Supported Scaffold

M00232479-S1-SF

07/08/2022

Permit issued — Sidewalk Shed

M00621612-I1-SH

07/07/2022

Permit issued — General Construction

M00631292-I1-GC

07/06/2022

Permit issued — General Construction

M00631292-I1-GC

05/18/2022

Permit issued — General Construction

M00631292-I1-GC

02/02/2022

Permit issued — Supported Scaffold

M00232479-S1-SF

11/17/2021

Filed — Alteration

M00631292-I1

11/05/2021

Permit issued — Supported Scaffold

M00621612-S1-SF

11/03/2021

Filed — Alteration

INSTALLATION OF A TEMPORARY SIDEWALK SHED AS PER PLANS SUBMITTED. WORK SHALL COMPLY WITH 2014 BUILDING CODES, CHAPTER 33.NO CHANGE IN USE, EGRESS OR OCCUPANCY.

M00621612-S1

11/03/2021

Permit issued — Sidewalk Shed

M00621612-I1-SH

11/02/2021

Filed — Alteration

INSTALLATION OF A TEMPORARY SIDEWALK SHED AS PER PLANS SUBMITTED. WORK SHALL COMPLY WITH 2014 BUILDING CODES, CHAPTER 33.NO CHANGE IN USE, EGRESS OR OCCUPANCY.

M00621612-I1

05/03/2021

Violation issued (DOB, closed)

V*-DOB VIOLATION - Resolved

02/18/2021

Permit issued — Supported Scaffold

M00232479-S1-SF

11/12/2020

Signed off — Alteration

Replace existing Condenser and Air Handler at existing locations and obtain Certificate of Compliance. No change in Use, Occupancy and Egress.

M00350434-I1

09/18/2020

Violation issued (ECB, closed)

Unknown

09/10/2020

Permit issued — Mechanical Systems

M00350434-I1-MS

09/03/2020

Permit issued — Supported Scaffold

M00232479-S1-SF

08/17/2020

Filed — Alteration

Replace existing Condenser and Air Handler at existing locations and obtain Certificate of Compliance. No change in Use, Occupancy and Egress.

M00350434-I1

05/19/2020

Special inspection requirement — Mechanical Systems

ALEKSANDR LEVIN

05/19/2020

Special inspection requirement — Final

DMYTRO CHORNOBRYVETS

05/19/2020

Special inspection requirement — HVAC and service water heating equipment

DMYTRO CHORNOBRYVETS

05/19/2020

Special inspection requirement — HVAC and service water heating system controls

DMYTRO CHORNOBRYVETS

05/19/2020

Special inspection requirement — HVAC insulation and sealing

DMYTRO CHORNOBRYVETS

02/18/2020

Permit issued — Sidewalk Shed

M00232479-I1-SH

02/13/2020

Permit issued — Supported Scaffold

M00159264-I1-SF

01/22/2020

Signed off — Alteration

INSTALLATION OF TEMPORARY SIDEWALK SHED AS PER PLANS SUBMITTED. WORK SHALL COMPLY WITH 2014 BUILDING CODES CHAPTER 33. NO CHANGE IN USE, EGRESS OR OCCUPANCY.

M00162294-I1

10/07/2019

Permit issued — Supported Scaffold

M00232479-S1-SF

10/04/2019

Filed — Alteration

INSTALLATION OF TEMPORARY SIDEWALK SHED AS PER PLAN SUBMITTED. WORK SHALL COMPLY WITH 2014 BUILDING CODES CHAPTER 33. NO CHANGE IN USE, EGRESS OR OCCUPANCY.

M00232479-S1

10/01/2019

Filed — Alteration

INSTALLATION OF TEMPORARY SIDEWALK SHED AS PER PLAN SUBMITTED. WORK SHALL COMPLY WITH 2014 BUILDING CODES CHAPTER 33. NO CHANGE IN USE, EGRESS OR OCCUPANCY.

M00232479-I1

10/01/2019

Permit issued — Sidewalk Shed

M00232479-I1-SH

05/31/2019

Violation issued (DOB, closed)

V*-DOB VIOLATION - Resolved

05/09/2019

Permit issued — Sidewalk Shed

M00162294-I1-SH

05/08/2019

Filed — Alteration

INSTALLATION OF TEMPORARY SIDEWALK SHED AS PER PLANS SUBMITTED. WORK SHALL COMPLY WITH 2014 BUILDING CODES CHAPTER 33. NO CHANGE IN USE, EGRESS OR OCCUPANCY.

M00162294-I1

05/02/2019

Special inspection requirement — Final

Hamidreza Saghari

04/26/2019

Permit issued — Supported Scaffold

M00159264-I1-SF

04/25/2019

Filed — Alteration

M00159264-I1

04/26/2017

Violation issued (DOB, closed)

V*-DOB VIOLATION - Resolved

03/22/2016

Violation issued (DOB, closed)

V*-DOB VIOLATION - Resolved

03/30/2015

Violation issued (DOB, closed)

V*-DOB VIOLATION - Resolved

05/15/2014

Violation issued (DOB, open)

V-DOB VIOLATION - ACTIVE

08/08/2012

Violation issued (DOB, closed)

V*-DOB VIOLATION - Resolved

01/06/2011

Violation issued (DOB, closed)

V*-DOB VIOLATION - Resolved

04/07/2010

Violation issued (DOB, closed)

V*-DOB VIOLATION - Resolved

05/05/2009

Violation issued (DOB, closed)

V*-DOB VIOLATION - Resolved

05/01/2008

Violation issued (DOB, closed)

V*-DOB VIOLATION - Resolved

06/19/2007

Violation issued (DOB, closed)

V*-DOB VIOLATION - Resolved

09/13/2006

Violation issued (DOB, closed)

V*-DOB VIOLATION - Resolved

02/23/2005

Violation issued (DOB, closed)

V*-DOB VIOLATION - Resolved

04/15/2004

Violation issued (DOB, closed)

V*-DOB VIOLATION - Resolved

10/19/1999

Violation issued (DOB, closed)

V*-DOB VIOLATION - Resolved

05/15/1998

Violation issued (ECB, closed)

Construction

01/08/1991

Violation issued (ECB, closed)

Elevators

06/11/1990

Violation issued (DOB, open)

V-DOB VIOLATION - ACTIVE

06/11/1990

Violation issued (DOB, open)

VP-VIOLATION UNSERVED ECB-ACTIVE

Permit / Filing Register

Source	Work Type	Status	Applicant	Issued
DOB NOW	Supported Scaffold	Permit Issued	XINOS CONSTRUCTION CORP	07/08/2022
DOB NOW	Sidewalk Shed	Signed-off	XINOS CONSTRUCTION CORP	07/08/2022
DOB NOW	General Construction	Signed-off	XINOS CONSTRUCTION CORP	07/07/2022
DOB NOW	General Construction	Signed-off	XINOS CONSTRUCTION CORP	07/06/2022
DOB NOW	General Construction	Signed-off	XINOS CONSTRUCTION CORP	05/18/2022
DOB NOW	Supported Scaffold	Permit Issued	XINOS CONSTRUCTION CORP	02/02/2022
DOB NOW	Supported Scaffold	Permit Issued	XINOS CONSTRUCTION CORP	11/05/2021
DOB NOW	Sidewalk Shed	Signed-off	XINOS CONSTRUCTION CORP	11/03/2021
DOB NOW	Supported Scaffold	Permit Issued	XINOS CONSTRUCTION CORP	02/18/2021
DOB NOW	Mechanical Systems	Signed-off	BRIGHTWOOD CARPENTRY INC	09/10/2020
DOB NOW	Supported Scaffold	Permit Issued	XINOS CONSTRUCTION CORP	09/03/2020
DOB NOW	Sidewalk Shed	Signed-off	XINOS CONSTRUCTION CORP	02/18/2020
DOB NOW	Supported Scaffold	Permit Issued	XINOS CONSTRUCTION CORP	02/13/2020
DOB NOW	Supported Scaffold	Permit Issued	XINOS CONSTRUCTION CORP	10/07/2019
DOB NOW	Sidewalk Shed	Signed-off	XINOS CONSTRUCTION CORP	10/01/2019
DOB NOW	Sidewalk Shed	Signed-off	XINOS CONSTRUCTION CORP	05/09/2019
DOB NOW	Supported Scaffold	Permit Issued	XINOS CONSTRUCTION CORP	04/26/2019
BIS	OT	ISSUED	XINOS CONSTRUCTION CORP	02/19/2020
BIS	OT	ISSUED	XINOS CONSTRUCTION CORP	05/17/2019
BIS	PL	ISSUED	IMPACT PLUMBING INC	04/03/2012
BIS	EQ	ISSUED	CS BRIDGE CORP	03/19/2012
BIS	OT	ISSUED	BALIANT CONTRACTING CORP	03/01/2012
BIS	MH	ISSUED	BALIANT CONTRACTING CORP	03/01/2012
BIS	EQ	ISSUED	CS BRIDGE CORP	11/16/2011
BIS	EQ	ISSUED	MBR CONTRACTING INC	03/10/2006
BIS	MH	ISSUED	ARISTA AIR CONDITIONING CORP	01/25/2001
BIS	MH	ISSUED	ARISTA AIR CONDITIONING CORP	10/19/1999
BIS	BL	ISSUED	OSH MECHANICAL INC	07/29/1999
BIS	FB	ISSUED	OSH MECHANICAL INC	12/09/1998
BIS	PL	ISSUED	OSH MECHANICAL INC	12/04/1998
BIS	MH	ISSUED	ARISTA AIR CONDITIONING CORP	08/06/1998
BIS	OT	ISSUED	INTER-NOVA CONTRACTING CORP	06/09/1998
BIS	PL	ISSUED	AMOK INC	12/18/1996
BIS	MH	ISSUED	GMK RENOVATIONS INC	01/24/1995
BIS	MH	RE-ISSUED	FRANKEL BERGER CORP	12/02/1993
BIS	PL	ISSUED	ACCURATE MECHANICAL INC	09/15/1993
BIS	OT	ISSUED	METRO EASTERN CONST INC	08/05/1993
BIS	PL	ISSUED	WARD MECHANICAL CORP	07/17/1991
BIS	OT	ISSUED	TM CONSTRUCTION INC	07/09/1991

1 project · most recent 05/01/2019

Filed	Status	Contractor	Scope
05/01/2019	Permit Issued	TOWER ELECTRIC INC.	—

2 projects · most recent 11/03/2021

Scaffold Sidewalk Shed

Filed	Status	Contractor	Scope
11/03/2021	Signed-off	XINOS CONSTRUCTION CORP	Scaffold, Sidewalk Shed
10/04/2019	Permit Issued	XINOS CONSTRUCTION CORP	Scaffold, Sidewalk Shed

▾Field Inspections (DOB CAP) — 2

Date	Type	Result	Report
01/22/2023	Certified Water and Sanitary-WS-Fixtures-Finish	Certified	View ↗
12/15/2022	Certified Water and Sanitary-WS-Sanitary Piping-Roughing	Certified	View ↗

▾Special Inspection Requirements (DOB NOW) — 6

Date	Requirement	Inspector	Role
05/19/2020	Mechanical Systems	ALEKSANDR LEVIN	special
05/19/2020	Final	DMYTRO CHORNOBRYVETS	progress
05/19/2020	HVAC and service water heating equipment	DMYTRO CHORNOBRYVETS	energy_progress
05/19/2020	HVAC and service water heating system controls	DMYTRO CHORNOBRYVETS	energy_progress
05/19/2020	HVAC insulation and sealing	DMYTRO CHORNOBRYVETS	energy_progress
05/02/2019	Final	Hamidreza Saghari	progress

▾Documents — 74 on file (BIS + DOB NOW)

▸Plans & Drawings8

▸DOB NOWPlans/Sketch3

09/03/2026M00621612-I1Request digital key ↗

09/03/2026M00621612-S1Request digital key ↗

09/03/2026M00631292-I1Request digital key ↗

▸DOB NOWPlans/Sketch - Supported Scaffold2

09/05/2026M00159264-I1Request digital key ↗

08/15/2026M00232479-S1Request digital key ↗

▸DOB NOWPlans/Sketch - Sidewalk Shed2

09/05/2026M00162294-I1Request digital key ↗

08/15/2026M00232479-I1Request digital key ↗

▸DOB NOWPlans/Sketch - Mechanical Systems1

09/04/2026M00350434-I1Request digital key ↗

▸Applications & Permits12

▸BISWORK PERMIT APPLICATION6

05/17/2019123761483Open ↗

04/10/2012120961138Open ↗

03/22/2012120895996Open ↗

Showing 3 of 6 on file for this type

▸BISPLAN / WORK APPROVAL APPLICATION4

05/06/2019123761483Open ↗

02/01/2012120961138Open ↗

Showing 3 of 4 on file for this type

▸DOB NOWLPC Approval/Permit2

08/13/2026M00350434-I1Open ↗

08/13/2026M00631292-I1Open ↗

▸Seals & Professional Certifications22

▸DOB NOWDPL-1: Design Professional Seal & Signature8

09/05/2026M00159264-I1Open ↗

09/05/2026M00232479-I1Open ↗

09/05/2026M00232479-S1Open ↗

Showing 3 of 8 on file for this type

▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION6

05/14/2019123761483Open ↗

05/06/2019123761483Open ↗

02/01/2012120961138Open ↗

Showing 3 of 6 on file for this type

▸DOB NOWProgress Inspector Seal & Signature5

08/24/2026M00350434-I1Open ↗

Showing 3 of 5 on file for this type

▸BISPROFESSIONAL CERTIFIED CHECKLIST1

11/18/2011120895996Open ↗

▸BISPROFESSIONAL CERTIFICATION STATEMENT FORM1

11/18/2011120895996Open ↗

▸DOB NOWSpecial Inspector Seal & Signature1

08/24/2026M00350434-I1Open ↗

▸Trade Schedules & Equipment6

▸BISSELF-CERT PLUMBING NOTICE3

06/14/2012120961138Open ↗

05/31/2012120961138Open ↗

04/26/2012120961138Open ↗

▸BISEQUIPMENT USE APPLICATION/PERMIT1

01/25/2013120961138Open ↗

▸BISEQUIPMENT USE PERMITS1

01/25/2013120961138Open ↗

▸BISSCHEDULE B - PLUMBING1

02/01/2012120961138Open ↗

▸Safety & Tenant Protection1

▸BISTenant Protection Plan and Notes1

05/06/2019123761483Open ↗

▸Environmental & Asbestos8

▸BISTHIS IS 'NOT AN ASBESTOS PROJECT'4

02/01/2012120961138Open ↗

11/18/2011120895996Open ↗

Showing 3 of 4 on file for this type

▸BISASBESTOS-CERTIFICATION (DEP ACP5)3

02/01/2012120961138Open ↗

05/06/2019123761483Open ↗

▸DOB NOWDEP ACP-5: Asbestos Assessment Report1

08/13/2026M00631292-I1Open ↗

▸Energy Compliance2

▸BISTECHNICAL REPORT: ENERGY1

02/01/2012120961138Open ↗

▸DOB NOWEN2: As Built Energy Analysis1

08/13/2026M00631292-I1Open ↗

▸Approvals, Objections & Sign-offs4

▸BISADMINISTRATIVE OBJECTIONS2

02/01/2012120961138Open ↗

11/18/2011120895996Open ↗

▸BISLANDMARKS APPROVAL2

05/09/2019123761483Open ↗

02/21/2012120961138Open ↗

▸Cost, Insurance & Ownership2

▸BISCOST AFFIDAVIT2

05/06/2019123761483Open ↗

02/01/2012120961138Open ↗

▸Filing & Intake Forms8

▸BISEFILING COVER SHEET4

05/06/2019123761483Open ↗

02/01/2012120961138Open ↗

Showing 3 of 4 on file for this type

▸BISADDITIONAL INFORMATION4

05/14/2019123761483Open ↗

05/06/2019123761483Open ↗

03/27/2012120895996Open ↗

Showing 3 of 4 on file for this type

▸Other Documents1

▸DOB NOWBSA Meeting Minutes/BSA Resolution1

08/13/2026M00162294-I1Open ↗