Condo, residential unit in elevator building

Chelsea Modern

447 WEST 18 STREET · Chelsea-Hudson Yards · BIN 1087721

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2007Year Built

12Stories

R4Building Class

R8AZoning

70,730 sfGross Floor Area

46Units

LL97 CoveredRent Stabilized0 Open ViolationsFISP: SAFE

Condo, residential unit in elevator building · 6,134 sf lot · 11.53 FAR built · Flood zone X500

Locations of Work

ArchitectureMechanicalPlumbing

Roof7p · 2 filings · 6 docs

Floor 1219p · 4 filings · 13 docs

Floor 11

Floor 10

Floor 9

Floor 8

Floor 7

Floor 67p · 2 filings · 4 docs

Floor 58p · 3 filings · 7 docs

Floor 4

Floor 3

Floor 2

Floor 111p · 1 filing · 11 docs

Cellar12p · 1 filing · 11 docs

▾Owner History (Filing Record)

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

Owner	Filings	Most Recent
447-453 WEST 18TH	22	03/21/2026
MADISON EQUITIES	19	03/21/2026
AKAM ASSOCIATES, INC.	14	07/08/2026
447-453 WEST 18TH ST CONDOMI	5	03/22/2026
EQUITIES	4	03/21/2026
447-453 W 18TH ST CONDOMINIUM	4	03/21/2026
447-453 WEST 18TH STREET CON	3	03/21/2026
447-453 WEST 18 LLC C/O MADISON	2	03/21/2026
CREGGAN ELECTRICAL CORP	1	03/22/2026
LOTUS METROPOLITAN CONSTRUCTION COR	1	03/22/2026

▾Design Consultants (Architect / Engineer of Record)

Firm	Filings	Most Recent
SARO GUMUSYAN ARCHITECTURE	5	03/05/2025
AMY LOPEZ-CEPERO, ARCHITECT PLLC	2	03/11/2024
JOSH MANES ARCHITECTURE, DPC	2	06/30/2023
JOAN HUMPHREYS	1	07/28/2022
M.A. RUBIANO, P.E., P.C.	1	06/17/2022

▾Filing Representatives (Expediters)

Representative	Filings	Most Recent
WILLIAM VITACCO ASSOCIATES	4	03/21/2026
SARO GUMUSYAN ARCHITECTURE	1	03/21/2026

▾Contractors (License-Anchored)

Firm	Trade	Roles	Most Recent
LOTUS METROPOLITAN CONSTRUCTION	General Contractor	5	07/08/2026
FLO RESTORATION INC	General Contractor	3	03/21/2026
BRANDL ELECTRIC INC.	Electrical	2	03/22/2026
CM PLUMBING INC	Plumbing	2	07/08/2026
CHAOS BUILT LLC	General Contractor	1	07/08/2026
ECNY ELEC'L CONTR'S, INC	Electrical	1	03/22/2026
KENNEDY CONSTRUCTION SERV	General Contractor	1	07/08/2026
CREGGAN ELECTRIAL CORP	Electrical	1	03/22/2026
PROCORE MECHANICAL CORP	Plumbing	1	07/08/2026
NICE PLUMBING CORP	Plumbing	1	07/08/2026
EUGENE ECCLES	Electrical	1	03/21/2026

▾Special Inspection Agencies

Agency	License #	Filings	Most Recent
SARO GUMUSYAN ARCHITECT	6437	6	03/05/2025
AMY LOPEZ-CEPERO, ARCHITE	5223	2	03/11/2024
CHEN ENGINEERING SERVICES	1826	2	06/30/2023

Building Lifecycle

All (127)Filed (11)Permit Issued (11)Signed Off (9)Facade (FISP) (6)Violation (57)Inspection (8)Objection (16)Special Inspection (9)

08/13/2026

Signed off — Alteration

AT CELLAR- REMOVAL AND INSTALLATION OF PLUMBING FIXTURES. NO CHANGE TO USE, OCCUPANCY OR EGRESS.

M01139052-S1

08/13/2026

Signed off — Alteration

AT CELLAR- REMOVAL AND INSTALLATION OF PLUMBING FIXTURES. NO CHANGE TO USE, OCCUPANCY OR EGRESS.

M01139052-I1

11/10/2025

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

Certified

View inspection ↗

10/22/2025

Permit issued — Plumbing

M01139052-S1-PL

07/30/2025

Permit issued — General Construction

M01139052-I1-GC

04/01/2025

Special inspection requirement — Tenant Protection Plan Compliance

Saro Gumusyan

04/01/2025

Special inspection requirement — Final

Saro Gumusyan

04/01/2025

Special inspection requirement — Lighting controls

Saro Gumusyan

04/01/2025

Special inspection requirement — Interior lighting power

Saro Gumusyan

04/01/2025

Special inspection requirement — Fire-Resistant Penetrations and Joints

Saro Gumusyan

03/28/2025

Signed off — Alteration

General construction work for interior alteration of unit 12B. No change to egress, use, or occupancy.

M00990016-I1

03/25/2025

Objection raised — Scope

03/25/2025

Objection resolved — Addressed

03/18/2025

Objection resolved — Addressed

03/10/2025

Objection raised — Scope

03/05/2025

Filed — Alteration

AT CELLAR- REMOVAL AND INSTALLATION OF PLUMBING FIXTURES. NO CHANGE TO USE, OCCUPANCY OR EGRESS.

M01139052-P1

02/13/2025

Filed — Alteration

AT CELLAR- REMOVAL AND INSTALLATION OF PLUMBING FIXTURES. NO CHANGE TO USE, OCCUPANCY OR EGRESS.

M01139052-S1

01/22/2025

Signed off — Alteration

REPLACE, RELOCATE AND ADD PLUMBING FIXTURES AS PER SCHEDULE B AND PLANS FILED HEREWITH.

M00865917-I1

01/22/2025

Signed off — Alteration

M00865915-I1

01/13/2025

Inspection — Certified Remove/Cap - work done in accordance with code

Certified

View inspection ↗

01/13/2025

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

Certified

View inspection ↗

12/06/2024

Special inspection requirement — Fire-Resistant Penetrations and Joints

Saro Gumusyan

12/06/2024

Special inspection requirement — Tenant Protection Plan Compliance

Saro Gumusyan

11/25/2024

Filed — Alteration

AT CELLAR- REMOVAL AND INSTALLATION OF PLUMBING FIXTURES. NO CHANGE TO USE, OCCUPANCY OR EGRESS.

M01139052-I1

03/20/2024

Objection resolved — Addressed

03/19/2024

Objection raised — Scope

03/11/2024

Filed — Alteration

General construction work for interior alteration of unit 12B. No change to egress, use, or occupancy.

M00990016-P1

02/23/2024

Permit issued — General Construction

M00990016-I1-GC

02/05/2024

Objection resolved — Addressed

02/05/2024

Objection resolved — Addressed

02/05/2024

Objection resolved — Addressed

02/05/2024

Objection resolved — Addressed

01/30/2024

Objection raised — Scope

01/30/2024

Objection raised — Scope

01/30/2024

Objection raised — Energy

01/30/2024

Objection raised — Scope

01/17/2024

Filed — Alteration

General construction work for interior alteration of unit 12B. No change to egress, use, or occupancy.

M00990016-I1

10/05/2023

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

Certified

View inspection ↗

09/20/2023

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

Certified

View inspection ↗

09/11/2023

Signed off — Alteration

M00747479-I1

09/05/2023

Signed off — Alteration

AT 12TH FLOOR APT 12A & ROOF- INTERIOR RENOVATION, REMOVAL AND INSTALLATION OF NON BEARING INTERIOR PARTITIONS. INSTALL NEW BULKHEAD AND VESTIBULE OVER EXISTING STAIR TO ROOF. NO CHANGE TO USE, OCCUPANCY OR EGRESS.

M00683354-I1

08/25/2023

Signed off — Alteration

AT 12TH FLOOR APT 12A & ROOF- INTERIOR RENOVATION,REMOVAL AND INSTALLATION OF PLUMBING FIXTURES. NO CHANGE TO USE, OCCUPANCY OR EGRESS.

M00747491-I1

07/24/2023

Inspection — Certified Remove/Cap - work done in accordance with code

Certified

View inspection ↗

07/24/2023

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

Certified

View inspection ↗

07/20/2023

Permit issued — Plumbing

M00747491-I1-PL

07/12/2023

Permit issued — Plumbing

M00865917-I1-PL

07/12/2023

Permit issued — General Construction

M00865915-I1-GC

07/03/2023

Objection raised — Scope

07/03/2023

Objection resolved — Addressed

06/30/2023

Filed — Alteration

REPLACE, RELOCATE AND ADD PLUMBING FIXTURES AS PER SCHEDULE B AND PLANS FILED HEREWITH.

M00865917-I1

06/30/2023

Filed — Alteration

M00865915-I1

03/10/2023

Permit issued — General Construction

M00683354-I1-GC

09/28/2022

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

Certified

View inspection ↗

09/26/2022

Signed off — Alteration

M00758668-I1

09/01/2022

Permit issued — General Construction

M00758668-I1-GC

08/29/2022

Permit issued — Plumbing

M00747491-I1-PL

08/02/2022

Violation issued (DOB, closed)

V*-DOB VIOLATION - DISMISSED

07/28/2022

Filed — Alteration

M00758668-I1

07/01/2022

Permit issued — Mechanical Systems

M00747479-I1-MS

06/17/2022

Filed — Alteration

M00747479-I1

Latest 60 of 127 events.

Permit / Filing Register

Source	Work Type	Status	Applicant	Issued
DOB NOW	Plumbing	Signed-off	PROCORE MECHANICAL CORP	10/22/2025
DOB NOW	General Construction	Signed-off	LOTUS METROPOLITAN CONSTR	07/30/2025
DOB NOW	General Construction	Signed-off	CHAOS BUILT LLC	02/23/2024
DOB NOW	Plumbing	Signed-off	CM PLUMBING INC	07/20/2023
DOB NOW	Plumbing	Signed-off	NICE PLUMBING CORP	07/12/2023
DOB NOW	General Construction	Signed-off	KENNEDY CONSTRUCTION SERV	07/12/2023
DOB NOW	General Construction	Signed-off	LOTUS METROPOLITAN CONSTR	03/10/2023
DOB NOW	General Construction	Signed-off	FLO RESTORATION INC	09/01/2022
DOB NOW	Plumbing	Signed-off	CM PLUMBING INC	08/29/2022
DOB NOW	Mechanical Systems	Signed-off	LOTUS METROPOLITAN CONSTR	07/01/2022
DOB NOW	General Construction	Signed-off	LOTUS METROPOLITAN CONSTR	06/03/2022
BIS	SP	ISSUED	CHINATOWN P&H INC	07/27/2018
BIS	PL	ISSUED	APOLLO PLBG & HTG INC	03/09/2018
BIS	OT	ISSUED	HD CARPENTRY CORP	09/15/2017
BIS	OT	ISSUED	HD CARPENTRY CORP	09/15/2017
BIS	SP	ISSUED	UNIPIPE P & H CORP	05/17/2017
BIS	SP	ISSUED	TIME MECHANICALS INC	03/17/2017
BIS	OT	ISSUED	IN HOUSE GROUP INC	12/14/2016
BIS	PL	ISSUED	CATMAN PLUMBING INC	10/20/2016
BIS	OT	ISSUED	REMONT INC	10/04/2016
BIS	SP	ISSUED	TIME MECHANICALS INC	12/18/2015
BIS	OT	ISSUED	REMONT INC	09/17/2015
BIS	PL	ISSUED	TIME MECHANICALS INC.	09/15/2015
BIS	OT	ISSUED	REMONT INC	08/12/2015
BIS	OT	ISSUED	W.A. MAINTENANCE & REPAIR	06/19/2015
BIS	MH	ISSUED	W.A. MAINTENANCE & REPAIR	06/19/2015
BIS	SP	ISSUED	CASE PLUMBING LLC	06/11/2015
BIS	PL	ISSUED	CATMAN PLUMBING INC	05/27/2015
BIS	OT	ISSUED	W.A. MAINTENANCE & REPAIR	05/15/2015
BIS	PL	ISSUED	PETER MICELI PLUMBING	04/23/2013
BIS	OT	ISSUED	MCCORMACK CONTRACTING INC.	01/17/2013
BIS	PL	ISSUED	PETER MICELI PLUMBING	02/21/2012
BIS	SD	ISSUED	BROOK PLUMBING & HTG CORP	03/24/2011
BIS	SP	ISSUED	BROOK PLUMBING & HTG CORP	03/24/2011
BIS	EQ	ISSUED	EVEREST SCAFFOLDING INC	04/06/2010
BIS	EQ	ISSUED	EVEREST SCAFFOLDING INC	04/02/2010
BIS	EQ	ISSUED	EVEREST SCAFFOLDING INC	01/11/2010
BIS	EQ	ISSUED	EVEREST SCAFFOLDING INC	01/11/2010
BIS	PL	ISSUED	TRI STATE PLBG & HTG INC	09/25/2009
BIS	OT	ISSUED	CERTIFIED OF N.Y. INC	08/31/2009

+ 21 more permits on file

1 project · most recent 03/05/2025

Water/Sanitary

Filed	Status	Contractor	Scope
03/05/2025	Signed-off	PROCORE MECHANICAL CORP	Water/Sanitary

7 projects · most recent 11/25/2025

General Wiring Lighting

Filed	Status	Contractor	Scope
11/25/2025	Complete	CREGGAN ELECTRIAL CORP	General Wiring
09/03/2025	Complete	BRANDL ELECTRIC INC.	General Wiring
01/27/2025	Complete	EIS ELECTRIC CORP DBA	—
02/28/2024	Complete	GOODALL ELECTRIC CORP	—
07/19/2023	Complete	CORE ELECTRIC MEP INDS LL	General Wiring, Lighting
05/11/2023	Complete	ECNY ELEC'L CONTR'S, INC	—
11/09/2022	Complete	BRANDL ELECTRIC INC.	—

▾Field Inspections (DOB CAP) — 8

Date	Type	Result	Report
11/10/2025	Certified Water and Sanitary-WS-Sanitary Piping-Roughing	Certified	View ↗
01/13/2025	Certified Remove/Cap - work done in accordance with code	Certified	View ↗
01/13/2025	Certified Water and Sanitary-WS-Fixtures-Finish	Certified	View ↗
10/05/2023	Certified Water and Sanitary-WS-Sanitary Piping-Roughing	Certified	View ↗
09/20/2023	Certified Water and Sanitary-WS-Sanitary Piping-Roughing	Certified	View ↗
07/24/2023	Certified Remove/Cap - work done in accordance with code	Certified	View ↗
07/24/2023	Certified Water and Sanitary-WS-Fixtures-Finish	Certified	View ↗
09/28/2022	Certified Water and Sanitary-WS-Sanitary Piping-Roughing	Certified	View ↗

▾Special Inspection Requirements (DOB NOW) — 9

Date	Requirement	Inspector	Role
04/01/2025	Tenant Protection Plan Compliance	Saro Gumusyan	special
04/01/2025	Final	Saro Gumusyan	progress
04/01/2025	Lighting controls	Saro Gumusyan	energy_progress
04/01/2025	Interior lighting power	Saro Gumusyan	energy_progress
04/01/2025	Fire-Resistant Penetrations and Joints	Saro Gumusyan	special
12/06/2024	Fire-Resistant Penetrations and Joints	Saro Gumusyan	special
12/06/2024	Tenant Protection Plan Compliance	Saro Gumusyan	special
06/15/2022	Final	JOAN HUMPHREYS	progress
06/02/2022	Fire-Resistant Penetrations and Joints	Saro Gumusyan	special

▾Documents — 314 on file (BIS + DOB NOW)

▸Plans & Drawings11

▸DOB NOWPlans/Sketch11

09/02/2026M00683354-I1Request digital key ↗

09/02/2026M00747491-I1Request digital key ↗

09/02/2026M00747479-I1Request digital key ↗

Showing 3 of 11 on file for this type

▸Applications & Permits56

▸BISWORK PERMIT APPLICATION29

08/22/2018140347346Open ↗

03/12/2018123330859Open ↗

09/20/2017123330859Open ↗

Showing 3 of 29 on file for this type

▸BISPLAN / WORK APPROVAL APPLICATION27

02/17/2022104297681Open ↗

09/29/2020140311348Open ↗

08/07/2019104297681Open ↗

Showing 3 of 27 on file for this type

▸Zoning, Tax Lot & Property Records3

▸BISTAX LOT: FINAL LOT NUMBER ISSUED1

01/25/2022104297681Open ↗

▸BISCO OBJ: VERIFY ADDRESS-TOPO STAMP1

01/25/2022104297681Open ↗

▸BISFLOOD ZONE DESIGN CERTIFICATION1

05/14/2015140347346Open ↗

▸Seals & Professional Certifications67

▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION31

06/11/2019140347346Open ↗

05/07/2019140347346Open ↗

Showing 3 of 31 on file for this type

▸DOB NOWDPL-1: Design Professional Seal & Signature11

09/02/2026M00747491-I1Open ↗

09/02/2026M00747479-I1Open ↗

09/02/2026M00758668-I1Open ↗

Showing 3 of 11 on file for this type

▸BISPROFESSIONAL CERTIFIED CHECKLIST5

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

Showing 0 of 5 on file for this type

▸BISPROFESSIONAL CERTIFICATION STATEMENT FORM5

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

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▸DOB NOWProgress Inspector Seal & Signature4

08/24/2026M00758668-I1Open ↗

08/23/2026M01139052-I1Open ↗

Showing 3 of 4 on file for this type

▸DOB NOWSpecial Inspector Seal & Signature3

08/31/2026M01139052-S1Open ↗

08/28/2026M00747491-I1Open ↗

08/23/2026M01139052-I1Open ↗

▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY2

05/14/2015140347346Open ↗

03/23/2015140321266Open ↗

▸BISPROFESSIONAL CERTIFICATION STATEMENT2

05/14/2015140347346Open ↗

03/23/2015140321266Open ↗

▸BISREQUIRED ITEMS CHECKLIST FOR PROFESSIONAL CERTIFICATION2

05/14/2015140347346Open ↗

03/23/2015140321266Open ↗

▸BISPC FULL REPORT1

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

Showing 0 of 1 on file for this type

▸BISAPPLICANT OWNER SIGNATURE1

03/27/2015140311348Open ↗

▸Trade Schedules & Equipment18

▸BISSCHEDULE B - PLUMBING/SPRINKLER/STANDPIPE5

04/12/2018123330859Open ↗

07/24/2017123330859Open ↗

10/05/2015140347346Open ↗

Showing 3 of 5 on file for this type

▸BISSELF-CERT PLUMBING NOTICE5

11/10/2015140347346Open ↗

10/07/2015140347346Open ↗

07/23/2015140347346Open ↗

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▸BISSCHEDULE B - PLUMBING4

05/14/2015140347346Open ↗

03/23/2015140321266Open ↗

Showing 2 of 4 on file for this type

▸BISEQUIPMENT USE PERMITS1

01/25/2022104297681Open ↗

▸BISSCHEDULE C - HEATING & COMBUSTION EQUIPMENT1

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

Showing 0 of 1 on file for this type

▸BISDETECTOR:SMOKE-CERT. OF INSTALLATION1

01/25/2022104297681Open ↗

▸BISEQUIPMENT USE APPLICATION/PERMIT1

01/25/2022104297681Open ↗

▸Safety & Tenant Protection2

▸BISTenant Protection Plan and Notes1

07/24/2017123330859Open ↗

▸BISDEMOLITION SUBMITTAL CERTIFICATION FORM1

08/04/2017123330859Open ↗

▸Environmental & Asbestos13

▸BISASBESTOS EXEMPTION CERTIFICATION LETTER12

05/15/2015122400124Open ↗

12/27/2012121468964Open ↗

Showing 2 of 12 on file for this type

▸BISASBESTOS: COMPLETION OR CLOSEOUT (ACP20/21/5)1

05/14/2015140347346Open ↗

▸Energy Compliance18

▸BISTECHNICAL REPORT: ENERGY CODE PROGRESS INSPS10

06/11/2019140347346Open ↗

09/12/2018123330859Open ↗

Showing 3 of 10 on file for this type

▸BISAS-BUILT ENERGY ANALYSIS3

06/11/2019140347346Open ↗

09/12/2018123330859Open ↗

06/13/2017122400124Open ↗

▸BISTECHNICAL REPORT: ENERGY CODE - RESPONSIBILITY2

05/14/2015140347346Open ↗

03/27/2015140311348Open ↗

▸DOB NOWEN2: As Built Energy Analysis2

08/13/2026M00683354-I1Open ↗

08/13/2026M00747479-I1Open ↗

▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY FOR ENERGY CODE PROGRESS INSPECTIONS1

05/14/2015140347346Open ↗

▸Inspections & Test Reports7

▸BISTECHNICAL REPORT: RESPONSIBILITY5

01/25/2022104297681Open ↗

05/14/2015140347346Open ↗

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▸BISMECHANICAL SYSTEMS2

03/02/2022104297681Open ↗

▸Approvals, Objections & Sign-offs53

▸BISCERTIFICATE OF OCCUPANCY/LOC: REQUEST27

01/20/2021104297681Open ↗

10/26/2020104297681Open ↗

07/28/2020104297681Open ↗

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▸BISLETTERS - SUPPORTING DOCUMENTATION11

06/11/2019140347346Open ↗

12/06/2017104462733Open ↗

06/15/2017122400124Open ↗

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▸BISADMINISTRATIVE OBJECTIONS10

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

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▸BISSUPERSEDING LETTER3

08/22/2018140347346Open ↗

06/15/2017122400124Open ↗

12/14/2016140347346Open ↗

▸BISTAP LETTER - DOM SVC : DEP-DOM1

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

Showing 0 of 1 on file for this type

▸BISSHED LETTER1

05/06/2010120242184Open ↗

▸Cost, Insurance & Ownership23

▸BISCOST AFFIDAVIT21

06/11/2019140347346Open ↗

09/12/2018123330859Open ↗

08/04/2017123330859Open ↗

Showing 3 of 21 on file for this type

▸BISHIC LICENSE OR AFFIDAVIT2

08/26/2015122400124Open ↗

05/14/2015140347346Open ↗

▸Filing & Intake Forms42

▸BISBOROUGH INTAKE FORM19

02/10/2020104297681Open ↗

11/20/2019104297681Open ↗

08/26/2019104297681Open ↗

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▸BISADDITIONAL INFORMATION10

01/24/2020104297681Open ↗

05/07/2019140347346Open ↗

04/24/2019140347346Open ↗

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▸BISEFILING COVER SHEET9

07/24/2017123330859Open ↗

05/15/2015122400124Open ↗

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▸BISEFILING JOB APPLICATION COVER SHEET4

05/14/2015140347346Open ↗

03/27/2015140311348Open ↗

03/23/2015140321266Open ↗

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▸Other Documents1

▸BISEXTERNAL FORMS - SUPPORTING DOCUMENTATION1

02/22/2011120242166Open ↗