Locations of Work

ArchitectureStructuralMechanicalPlumbingFire ProtectionGeneral

Names shown beside floors are taken automatically from the text of filed documents and may be incomplete or wrong.

Permit Issued — active, not yet Signed-off

RoofKatonah Laundry MartUnder Construction3p · 1 filing · 20 docs

Floor 1Katonah Laundry MartUnder Construction5p · 3 filings · 20 docs

Site & exteriorKatonah Laundry Mart, Dollar TreeUnder Construction10p · 2 filings · 20 docs

Filed — no permit issuedYou Rock Gao7p · 3 filings · 18 docs

▾Owner History (Filing Record)

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

Owner	Filings	Most Recent
NYC Department of Housing Preservation and Development	23	03/21/2026
100 Street Triventure	10	03/21/2026
Aspen 2016	6	07/08/2026
Dollartree Inc by Scott Kipins	6	03/21/2026
Allstate Realty Associates	3	03/21/2026
City	3	03/21/2026
Clipper Equity	2	10/13/2026
Housing Develop Preservation	2	03/21/2026
P H 100 Street	2	03/21/2026

▾Sales History (ACRIS)

Date	Price	Unit	Seller → Buyer	$/sf
06/27/2016	$103.0M	—	SL ASPEN LLC → ASPEN 2016 LLC	$412/sf building

▾Design Consultants (Architect / Engineer of Record)

Firm	Filings	Most Recent
Square Arch	2	09/04/2026
Huan Design	2	05/30/2025
You Gao	5	04/01/2025
A&B World Consulting	1	06/20/2024
Arquitectura Varela	1	09/28/2023
Salvator A. Caradonna JR	1	05/12/2022

▾Filing Representatives (Expediters)

Representative	Filings	Most Recent
Indesign Studio	10	03/21/2026
YBL NY	2	03/21/2026
Loxton	2	03/21/2026
All in Permit Consultants	1	03/21/2026

▾Contractors (License-Anchored)

Firm	Trade	Roles	Most Recent
John Evan Contracting	General Contractor	3	03/21/2026
NY Building Associates	General Contractor	1	04/09/2026
NY Building Associates	Scaffold	1	04/09/2026
National Maintenance	Sign hanger	1	07/08/2026
American Standard P&H Cororp	Plumbing	1	07/08/2026
American Standard Plumbing	Fire Protection	1	07/08/2026

▾Special Inspection Agencies

Agency	License #	Filings	Most Recent
Huan Design	7669	3	09/04/2026
NKM Engineering	6244	2	09/04/2026
You Gao	9407	5	04/01/2025
Butterfield & O'Connor	4189	1	09/28/2023

Building Lifecycle

All (122)Filed (12)Permit Issued (6)Signed Off (2)Facade (FISP) (6)Violation (57)Inspection (1)Objection (8)Special Inspection (30)

09/04/2026

Filed — Alteration

INSTALLING CONSTRUCTION FENCE AS PER PLAN, CONJUNCTION WITH JOB #M01232927-I1. NO CHANGE IN USE, EGRESS OR OCCUPANCY.

M01232927-P1

09/04/2026

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

ZHENHUAN XU

09/04/2026

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

ZHENHUAN XU

09/04/2026

Special inspection requirement — Tenant Protection Plan Compliance

ZHENHUAN XU

09/04/2026

Special inspection requirement — Fire-Resistant Penetrations and Joints

ZHENHUAN XU

09/04/2026

Special inspection requirement — Sprinkler Systems

NARESH MAHANGU

09/04/2026

Special inspection requirement — Flood Zone Compliance (attach FEMA elevation/dry floodproofing certificate where applicable)

ZHENHUAN XU

09/04/2026

Special inspection requirement — Energy Code Compliance Inspections

ZHENHUAN XU

09/04/2026

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

ZHENHUAN XU

08/25/2026

Special inspection requirement — Sprinkler Systems

NARESH MAHANGU

08/25/2026

Special inspection requirement — Fire-Resistant Penetrations and Joints

ZHENHUAN XU

08/25/2026

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

ZHENHUAN XU

08/25/2026

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

ZHENHUAN XU

08/25/2026

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

ZHENHUAN XU

08/25/2026

Special inspection requirement — Energy Code Compliance Inspections

ZHENHUAN XU

08/25/2026

Special inspection requirement — Tenant Protection Plan Compliance

ZHENHUAN XU

08/25/2026

Special inspection requirement — Flood Zone Compliance (attach FEMA elevation/dry floodproofing certificate where applicable)

ZHENHUAN XU

05/21/2026

Inspection — Pass-Final PL - Up to 3 Requested Floors

Pass

View inspection ↗

05/13/2026

Signed off — Alteration

INSTALLING CONSTRUCTION FENCE AS PER PLAN, CONJUNCTION WITH JOB #M01232927-I1. NO CHANGE IN USE, EGRESS OR OCCUPANCY.

M01232927-S2

02/17/2026

Violation issued (ECB, closed)

Construction

02/17/2026

Violation issued (ECB, closed)

Construction

11/06/2025

Permit issued — Plumbing

M01232927-S1-EW-SP

11/06/2025

Permit issued — Sprinklers

M01232927-S1-PL

06/05/2025

Permit issued — General Construction

M01232927-I1-GC-CX

06/05/2025

Permit issued — Construction Fence

M01232927-S2-FN

05/30/2025

Filed — Alteration

INSTALLING CONSTRUCTION FENCE AS PER PLAN, CONJUNCTION WITH JOB #M01232927-I1. NO CHANGE IN USE, EGRESS OR OCCUPANCY.

M01232927-S2

05/30/2025

Filed — Alteration

INSTALLING CONSTRUCTION FENCE AS PER PLAN, CONJUNCTION WITH JOB #M01232927-I1. NO CHANGE IN USE, EGRESS OR OCCUPANCY.

M01232927-I1

05/30/2025

Filed — Alteration

INSTALLING CONSTRUCTION FENCE AS PER PLAN, CONJUNCTION WITH JOB #M01232927-I1. NO CHANGE IN USE, EGRESS OR OCCUPANCY.

M01232927-S1

05/29/2025

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

ZHENHUAN XU

05/29/2025

Special inspection requirement — Sprinkler Systems

NARESH MAHANGU

05/29/2025

Special inspection requirement — Fire-Resistant Penetrations and Joints

ZHENHUAN XU

05/29/2025

Special inspection requirement — Flood Zone Compliance (attach FEMA elevation/dry floodproofing certificate where applicable)

ZHENHUAN XU

05/29/2025

Special inspection requirement — Tenant Protection Plan Compliance

ZHENHUAN XU

05/29/2025

Special inspection requirement — Energy Code Compliance Inspections

ZHENHUAN XU

05/29/2025

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

ZHENHUAN XU

05/29/2025

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

ZHENHUAN XU

05/29/2025

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

ZHENHUAN XU

05/29/2025

Special inspection requirement — Flood Zone Compliance (attach FEMA elevation/dry floodproofing certificate where applicable)

ZHENHUAN XU

05/29/2025

Special inspection requirement — Mechanical Systems

ZHENHUAN XU

05/29/2025

Special inspection requirement — Fire-Resistant Penetrations and Joints

ZHENHUAN XU

05/29/2025

Special inspection requirement — Tenant Protection Plan Compliance

ZHENHUAN XU

05/29/2025

Special inspection requirement — Final

ZHENHUAN XU

04/14/2025

Objection raised — Other

04/14/2025

Objection raised — Other

04/08/2025

Violation issued (ECB, open)

Local Law

04/01/2025

Filed — Alteration

M01139917-P1

04/01/2025

Filed — Alteration

ERECT AN ILLUMINATED SIGN ON WALL.NOT WITHIN VIEW OF ARTERIAL HIGHWAY OR PUBLIC PARK 1/2 ACRE OR MORE. NO CHANGE IN USE, EGRESS OR OCCUPANCY.

M01139918-P1

11/18/2024

Filed — Alteration

M01139917-I1

11/18/2024

Filed — Alteration

ERECT AN ILLUMINATED SIGN ON WALL.NOT WITHIN VIEW OF ARTERIAL HIGHWAY OR PUBLIC PARK 1/2 ACRE OR MORE. NO CHANGE IN USE, EGRESS OR OCCUPANCY.

M01139918-I1

11/18/2024

Filed — Alteration

M01139915-I1

09/12/2024

Violation issued (DOB, open)

V-DOB VIOLATION - ACTIVE

06/26/2024

Violation issued (DOB, closed)

V*-DOB VIOLATION - DISMISSED

06/22/2024

Objection raised — Scope

06/22/2024

Objection resolved — Addressed

06/22/2024

Objection raised — Scope

06/22/2024

Objection resolved — Addressed

06/22/2024

Objection raised — Inspections

06/22/2024

Objection resolved — Addressed

06/20/2024

Filed — Alteration

M01055921-I1

05/03/2024

Violation issued (ECB, closed)

Construction

Latest 60 of 122 events.

Permit / Filing Register

Source	Work Type	Status	Applicant	Issued
DOB NOW	Sprinklers	Permit Issued	American Standard Plumbing	11/06/2025
DOB NOW	Plumbing	Permit Issued	American Standard P&H Cororp	11/06/2025
DOB NOW	General Construction	Permit Issued	NY Building Associates	06/05/2025
DOB NOW	Construction Fence	Signed-off	NY Building Associates	06/05/2025
DOB NOW	Mechanical Systems	Permit Issued	John Evan Contracting	10/12/2023
DOB NOW	Sign	Signed-off	National Maintenance	07/18/2022
BIS	OT	ISSUED	Amp Communications	11/09/2016
BIS	OT	ISSUED	Telcom Engineering GP	07/08/2014
BIS	OT	ISSUED	Telcom Engineering GP	05/23/2014
BIS	SP	ISSUED	Fire Sprinkler Associates	04/11/2012
BIS	PL	ISSUED	PSI Fire	03/09/2012
BIS	OT	ISSUED	Smith-McCord	02/08/2012
BIS	OT	ISSUED	Soho Contracting	11/25/2011
BIS	EQ	ISSUED	Perimeter Bridge & Scaffo	11/16/2011
BIS	EQ	ISSUED	Rockledge Scaffold	10/06/2010
BIS	OT	ISSUED	Arete Development	01/30/2006
BIS	MH	ISSUED	Arete Development	01/30/2006
BIS	SP	ISSUED	Denko Mechanical	08/22/2005
BIS	OT	ISSUED	Zalismah Contrac Co	08/19/2005
BIS	PL	ISSUED	Hydro Mechanical	08/15/2005
BIS	MH	ISSUED	Arete Development	07/29/2005
BIS	OT	ISSUED	Arete Development	07/29/2005
BIS	OT	ISSUED	Arete Deve	07/28/2005
BIS	OT	ISSUED	L & M Builders	05/12/2005
BIS	—	ISSUED	A.M.A. Holdings	04/25/2005
BIS	—	ISSUED	A.M.A. Holdings	04/25/2005
BIS	—	ISSUED	Ultimate Signs & Designs Co	02/18/2005
BIS	—	ISSUED	Ultimate Signs & Designs Co	02/17/2005
BIS	OT	ISSUED	Arcs Construction Services	02/17/2005
BIS	—	ISSUED	Ultimate Signs & Designs Co	02/17/2005
BIS	—	ISSUED	Ultimate Signs & Designs Co	02/17/2005
BIS	—	ISSUED	Ultimate Signs & Designs Co	02/17/2005
BIS	—	ISSUED	Ultimate Signs & Designs Co	02/17/2005
BIS	—	ISSUED	Ultimate Signs & Designs Co	02/17/2005
BIS	—	ISSUED	Ultimate Signs & Designs Co	02/17/2005
BIS	PL	ISSUED	S. Tieger Plumbing Co	01/28/2005
BIS	OT	ISSUED	Zalismah Contracting	01/13/2005
BIS	MH	ISSUED	Zalismah Contracting	01/13/2005
BIS	PL	ISSUED	L S Mechanical	06/15/2004
BIS	CC	ISSUED	L M Builder	06/01/2004

+ 14 more permits on file

1 project · most recent 09/04/2026

Air Conditioning Systems

Filed	Status	Contractor	Scope
09/04/2026	Permit Issued	NY Building Associates	Air Conditioning Systems

1 project · most recent 09/04/2026

Sprinkler System

Filed	Status	Contractor	Scope
09/04/2026	Permit Issued	American Standard Plumbing	Sprinkler System

1 project · most recent 09/04/2026

Gas Water/Sanitary

Filed	Status	Contractor	Scope
09/04/2026	Permit Issued	American Standard P&H	Gas, Water/Sanitary

6 projects · most recent 11/14/2025

General Wiring

Filed	Status	Contractor	Scope
11/14/2025	Permit Issued	Eric & NG Electrical	General Wiring
06/11/2024	Permit Issued	WCK Electric	240 meters, 1 new_meters
11/22/2023	Permit Issued	Power Surge Electric	General Wiring
05/18/2022	Complete	FVC Electric	General Wiring
01/26/2022	Permit Issued	Robert Chimenti	8 meters, 1 new_meters
12/27/2018	Permit Issued	Star Electrical Contractors	—

1 project · most recent 09/04/2026

Fence

Filed	Status	Contractor	Scope
09/04/2026	Permit Issued	American Standard P&H	Fence

▾Field Inspections (DOB CAP) — 1

Date	Type	Result	Report
05/21/2026	Pass-Final PL - Up to 3 Requested Floors	Pass	View ↗

▾Special Inspection Requirements (DOB NOW) — 55

Date	Requirement	Inspector	Role
09/04/2026	HVAC-R and service water piping design and insulation	ZHENHUAN XU	energy_progress
09/04/2026	HVAC-R and service water heating equipment	ZHENHUAN XU	energy_progress
09/04/2026	Tenant Protection Plan Compliance	ZHENHUAN XU	special
09/04/2026	Fire-Resistant Penetrations and Joints	ZHENHUAN XU	special
09/04/2026	Sprinkler Systems	NARESH MAHANGU	special
09/04/2026	Flood Zone Compliance (attach FEMA elevation/dry floodproofing certificate where applicable)	ZHENHUAN XU	special
09/04/2026	Energy Code Compliance Inspections	ZHENHUAN XU	progress
09/04/2026	HVAC-R and service water heating system controls	ZHENHUAN XU	energy_progress
08/25/2026	Sprinkler Systems	NARESH MAHANGU	special
08/25/2026	Fire-Resistant Penetrations and Joints	ZHENHUAN XU	special
08/25/2026	HVAC-R and service water heating system controls	ZHENHUAN XU	energy_progress
08/25/2026	HVAC-R and service water piping design and insulation	ZHENHUAN XU	energy_progress
08/25/2026	HVAC-R and service water heating equipment	ZHENHUAN XU	energy_progress
08/25/2026	Energy Code Compliance Inspections	ZHENHUAN XU	progress
08/25/2026	Tenant Protection Plan Compliance	ZHENHUAN XU	special
08/25/2026	Flood Zone Compliance (attach FEMA elevation/dry floodproofing certificate where applicable)	ZHENHUAN XU	special
05/29/2025	HVAC-R and service water piping design and insulation	ZHENHUAN XU	energy_progress
05/29/2025	Sprinkler Systems	NARESH MAHANGU	special
05/29/2025	Fire-Resistant Penetrations and Joints	ZHENHUAN XU	special
05/29/2025	Flood Zone Compliance (attach FEMA elevation/dry floodproofing certificate where applicable)	ZHENHUAN XU	special
05/29/2025	Tenant Protection Plan Compliance	ZHENHUAN XU	special
05/29/2025	Energy Code Compliance Inspections	ZHENHUAN XU	progress
05/29/2025	HVAC-R and service water piping design and insulation	ZHENHUAN XU	energy_progress
05/29/2025	HVAC-R and service water heating equipment	ZHENHUAN XU	energy_progress
05/29/2025	HVAC-R and service water heating system controls	ZHENHUAN XU	energy_progress

Latest 25 of 55.

▾Tenants in the building

Tenant	Space	Floors	Renovation projects
Katonah Laundry Mart	Personal services	Floor 1, Roof	Project M01232927 Alteration · Permit Entire · 05/30/2025
You Rock Gao	Retail	—	Project M01139917 Alteration · Objections · 11/18/2024 Project M01139918 Alteration · Objections · 11/18/2024
Dollar Tree	Retail	Floor 1	Project M00001513 Alteration · LOC Issued · 05/12/2022

Names are taken automatically from the text of each project’s filed documents (title blocks and cover sheets) and screened to exclude owners, landlords and designers. They may be incomplete or wrong; check the filing.

▾Documents — 150 on file (BIS + DOB NOW)

▸Plans & Drawings11

▸DOB NOWPlans/Sketch11

09/01/2026M00001513-I1Request digital key ↗

08/29/2026M00935814-I1Request digital key ↗

08/25/2026M01139915-I1Request digital key ↗

Showing 3 of 11 on file for this type

▸Applications & Permits23

▸BISPLAN / WORK APPROVAL APPLICATION12

02/04/2016122674052Open ↗

11/14/2014120972643Open ↗

11/12/2014120972643Open ↗

Showing 3 of 12 on file for this type

▸BISWORK PERMIT APPLICATION11

11/16/2016122674052Open ↗

07/15/2014121973659Open ↗

06/05/2014121973659Open ↗

Showing 3 of 11 on file for this type

▸Seals & Professional Certifications58

▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION13

03/09/2017122674052Open ↗

02/04/2016122674052Open ↗

11/14/2014121973659Open ↗

Showing 3 of 13 on file for this type

▸DOB NOWDPL-1: Design Professional Seal & Signature12

10/14/2026M01232927-P1Open ↗

09/02/2026M00001513-I1Open ↗

08/29/2026M00935814-I1Open ↗

Showing 3 of 12 on file for this type

▸DOB NOWSpecial Inspector Seal & Signature12

10/14/2026M01232927-P1Open ↗

Showing 3 of 12 on file for this type

▸DOB NOWProgress Inspector Seal & Signature11

10/14/2026M01232927-P1Open ↗

09/07/2026M01139918-P1Open ↗

Showing 3 of 11 on file for this type

▸BISPROFESSIONAL CERTIFICATION STATEMENT FORM5

04/13/2012121041489Open ↗

02/10/2012120972643Open ↗

11/18/2011120897887Open ↗

Showing 3 of 5 on file for this type

▸BISPROFESSIONAL CERTIFIED CHECKLIST5

04/13/2012121041489Open ↗

02/10/2012120972643Open ↗

11/18/2011120897887Open ↗

Showing 3 of 5 on file for this type

▸Trade Schedules & Equipment6

▸BISSELF-CERT PLUMBING NOTICE3

04/26/2013121041489Open ↗

04/19/2012120972643Open ↗

04/12/2012120972643Open ↗

▸BISSCHEDULE B - PLUMBING2

04/13/2012121041489Open ↗

02/10/2012120972643Open ↗

▸BISFA - FDNY APPROVAL : FD-FAA1

02/17/2015121836193Open ↗

▸Safety & Tenant Protection1

▸BISSTREET TREE CHECKLIST1

02/10/2012120972643Open ↗

▸Environmental & Asbestos6

▸BISASBESTOS EXEMPTION CERTIFICATION LETTER3

02/10/2012120972643Open ↗

10/14/2010120492378Open ↗

10/07/2010120487240Open ↗

▸BISASBESTOS: CERTIFICATION (DEP ACP5)2

02/04/2016122674052Open ↗

04/14/2014121973659Open ↗

▸DOB NOWDEP ACP-5: Asbestos Assessment Report1

08/29/2026M00935814-I1Open ↗

▸Energy Compliance12

▸BISTECHNICAL REPORT: ENERGY CODE PROGRESS INSPS7

03/09/2017122674052Open ↗

02/04/2016122674052Open ↗

11/14/2014121973659Open ↗

Showing 3 of 7 on file for this type

▸BISAS-BUILT ENERGY ANALYSIS3

03/09/2017122674052Open ↗

11/14/2014121973659Open ↗

11/13/2014120972643Open ↗

▸BISTECHNICAL REPORT: ENERGY1

02/10/2012120972643Open ↗

▸BISTR8: Energy Code Progress Inspections1

11/17/2014120972643Open ↗

▸Inspections & Test Reports1

▸BISTECHNICAL REPORT: RESPONSIBILITY1

02/17/2022120897887Open ↗

▸Approvals, Objections & Sign-offs10

▸BISADMINISTRATIVE OBJECTIONS5

04/13/2012121041489Open ↗

02/10/2012120972643Open ↗

11/18/2011120897887Open ↗

Showing 3 of 5 on file for this type

▸BISCERTIFICATE OF OCCUPANCY/LOC: REQUEST4

03/09/2017122674052Open ↗

02/26/2015121836193Open ↗

11/14/2014121973659Open ↗

Showing 3 of 4 on file for this type

▸BISSUPERSEDING LETTER1

11/29/2011120487240Open ↗

▸Cost, Insurance & Ownership8

▸BISCOST AFFIDAVIT8

02/04/2016122674052Open ↗

02/26/2015121836193Open ↗

11/14/2014121973659Open ↗

Showing 3 of 8 on file for this type

▸Filing & Intake Forms13

▸BISEFILING COVER SHEET8

02/04/2016122674052Open ↗

04/14/2014121973659Open ↗

11/13/2013121836193Open ↗

Showing 3 of 8 on file for this type

▸BISADDITIONAL INFORMATION5

11/03/2016122674052Open ↗

08/25/2016122674052Open ↗

Showing 3 of 5 on file for this type

▸Other Documents1

▸BISEXTERNAL FORMS - SUPPORTING DOCUMENTATION1

06/05/2014121973659Open ↗