Condo, residential tower (mixed-use, multi-family elevator) [derived]

Halcyon Condominium

305 EAST 51 STREET · East Midtown-Turtle Bay · BIN 1089775

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2007Year Built

32Stories

RMBuilding Class

C1-9Zoning

215,384 sfGross Floor Area

125Units

LL97 CoveredRent Stabilized26 Open Violations ▸FISP: SAFE

Condo, residential tower (mixed-use, multi-family elevator) [derived] · 15,053 sf lot · 14.31 FAR built · Flood zone X

Locations of Work

ArchitectureStructuralPlumbingFire ProtectionOther

Floor 11p · 1 filing · 4 docs

Cellar1p · 1 filing · 4 docs

Sub-Cellar1p · 1 filing · 4 docs

Filed — no permit issued23p · 3 filings · 12 docs

▾Owner History (Filing Record)

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

Owner	Filings	Most Recent
51ST STREET MAIN LOT OWNER	50	03/21/2026
303 EAST 51ST STREET	21	03/21/2026
EAST 51 STREET ASSOCIATES LLC	17	03/21/2026
968 KINGSMAN	8	03/21/2026
EAST 51ST STREET ASSOCIATES	8	03/21/2026
HFZ E 51 ST	4	03/21/2026
HFZ CAPITAL GROUP	4	03/21/2026
COLLIERS	3	04/09/2026
HFZ PROPERTY MANAGEMENT	3	03/21/2026
51 HOLDING	2	03/21/2026

▾Design Consultants (Architect / Engineer of Record)

Firm	Filings	Most Recent
O&S ASSOCIATES	1	01/29/2025
MG ENGINEERING D.P.C.	3	02/27/2020

▾Filing Representatives (Expediters)

Representative	Filings	Most Recent
GILLMAN CONSULTING	6	03/21/2026
MK ARCHITECTURE PC	1	03/21/2026

▾Contractors (License-Anchored)

Firm	Trade	Roles	Most Recent
STRUCTURAL PRESERV SYSTEM	General Contractor	1	04/09/2026

▾Special Inspection Agencies

Agency	License #	Filings	Most Recent
O&S ASSOCIATES	2753	1	01/29/2025
SPECIAL TESTING & CONSULT	1688	1	01/29/2020

Building Lifecycle

All (114)Filed (5)Permit Issued (2)Signed Off (1)Facade (FISP) (3)Violation (60)Objection (36)Special Inspection (7)

08/31/2026

Permit issued — Suspended Scaffold

M01446596-I1-SC

08/17/2026

Filed — Alteration

INDUSTRIAL ROPE ACCESS FOR FACADE INSPECTIONS.

M01446596-I1

11/14/2025

Violation issued (DOB, closed)

V*-DOB VIOLATION - DISMISSED

11/14/2025

Violation issued (DOB, closed)

V*-DOB VIOLATION - DISMISSED

10/30/2025

Signed off — Alteration

Herewith filing for repairs to this existing garage. No change to egress, occupancy or use.

M01166781-I1

04/08/2025

Permit issued — General Construction

M01166781-I1-GC-CX

02/18/2025

Objection resolved — Addressed

02/18/2025

Objection resolved — Addressed

02/13/2025

Objection raised — Cost

02/13/2025

Objection raised — Inspections

01/29/2025

Filed — Alteration

Herewith filing for repairs to this existing garage. No change to egress, occupancy or use.

M01166781-I1

01/14/2025

Special inspection requirement — Structural Stability – Alterations of existing buildings

SUCHITH JAYASENA

01/14/2025

Special inspection requirement — Structural Steel - Details

SUCHITH JAYASENA

01/14/2025

Special inspection requirement — Tenant Protection Plan Compliance

SUCHITH JAYASENA

01/14/2025

Special inspection requirement — Concrete - Cast-In-Place

SUCHITH JAYASENA

01/14/2025

Special inspection requirement — Structural Steel - Welding

SUCHITH JAYASENA

01/14/2025

Special inspection requirement — Final

SUCHITH JAYASENA

04/19/2024

Violation issued (ECB, closed)

Construction

03/20/2024

Violation issued (DOB, closed)

V*-DOB VIOLATION - DISMISSED

01/11/2024

Violation issued (ECB, closed)

Construction

09/13/2023

Cycle 9 facade report submitted

09/13/2023

Cycle 9 facade report signed — SAFE

09/11/2023

Cycle 9 facade inspection completed

06/20/2023

Violation issued (DOB, closed)

V*-DOB VIOLATION - DISMISSED

06/20/2023

Violation issued (DOB, closed)

V*-DOB VIOLATION - DISMISSED

03/31/2023

Violation issued (HPD, closed)

01/13/2023

Violation issued (ECB, closed)

Local Law

04/11/2022

Violation issued (ECB, closed)

Elevators

02/22/2022

Violation issued (DOB, closed)

V*-DOB VIOLATION - DISMISSED

03/22/2021

Violation issued (HPD, open)

05/13/2020

Violation issued (DOB, closed)

V*-DOB VIOLATION - Resolved

05/13/2020

Violation issued (DOB, closed)

V*-DOB VIOLATION - Resolved

05/13/2020

Violation issued (DOB, closed)

V*-DOB VIOLATION - Resolved

05/13/2020

Violation issued (DOB, closed)

V*-DOB VIOLATION - Resolved

02/28/2020

Objection raised — Other

02/28/2020

Objection resolved — Addressed

02/28/2020

Objection raised — Other

02/28/2020

Objection resolved — Addressed

02/28/2020

Objection raised — Other

02/28/2020

Objection resolved — Addressed

02/28/2020

Objection raised — Other

02/28/2020

Objection resolved — Addressed

02/28/2020

Objection raised — Other

02/28/2020

Objection resolved — Addressed

02/27/2020

Filed — Alteration

Modification to sprinkler and standpipe system and related piping as shown on drawings filed herewith. No change in use, egress or occupancy.

M00322465-I1

02/12/2020

Objection resolved — Addressed

02/12/2020

Objection resolved — Addressed

02/12/2020

Objection resolved — Addressed

02/12/2020

Objection resolved — Addressed

02/10/2020

Objection raised — Other

02/10/2020

Objection raised — Fire_Protection

02/06/2020

Objection resolved — Addressed

02/05/2020

Objection raised — Admin

02/04/2020

Objection resolved — Addressed

02/04/2020

Objection resolved — Addressed

02/04/2020

Objection resolved — Addressed

02/04/2020

Objection resolved — Addressed

02/04/2020

Objection resolved — Addressed

02/04/2020

Objection resolved — Addressed

02/04/2020

Special inspection requirement — Fire-Resistant Penetrations and Joints

SEBASTIAN SETTEDUCATE JR., P.E

Latest 60 of 114 events.

Permit / Filing Register

Source	Work Type	Status	Applicant	Issued
DOB NOW	Suspended Scaffold	Permit Issued	CENTRAL CONSTRUCTION MGMT	08/31/2026
DOB NOW	General Construction	Signed-off	STRUCTURAL PRESERV SYSTEM	04/08/2025
BIS	OT	ISSUED	NAF CONSTRUCTION MANAGEME	07/06/2020
BIS	OT	ISSUED	NAF CONSTRUCTION MANAGEME	07/06/2020
BIS	MH	ISSUED	NAF CONSTRUCTION MANAGEME	07/06/2020
BIS	EQ	ISSUED	PERCIBALLI INDUSTRIES INC.	01/28/2020
BIS	OT	ISSUED	PULATANI BUILDERS INC	09/12/2019
BIS	OT	ISSUED	NAF CONSTRUCTION MANAGEME	05/23/2019
BIS	MH	ISSUED	NAF CONSTRUCTION MANAGEME	05/23/2019
BIS	OT	ISSUED	NAF CONSTRUCTION MANAGEME	05/23/2019
BIS	PL	ISSUED	MACREDDIN PLBG & HTG INC	09/11/2018
BIS	OT	ISSUED	TOWER CONTRACTING CORP	09/04/2018
BIS	SP	ISSUED	WNW & SONS PLUMBING & HTG	10/23/2017
BIS	OT	ISSUED	NAF CONSTRUCTION MANAGEME	09/21/2017
BIS	EQ	ISSUED	NAF CONSTRUCTION MANAGEME	09/21/2017
BIS	PL	ISSUED	WNW & SONS PLBG & HTG INC	09/05/2017
BIS	OT	ISSUED	WINDECKER CONSTRUCTION LL	08/22/2017
BIS	MH	ISSUED	WINDECKER CONSTRUCTION LL	08/22/2017
BIS	OT	ISSUED	TOWER CONTRACTING CORP	07/13/2017
BIS	OT	ISSUED	TOWER CONTRACTING CORP	05/01/2017
BIS	—	ISSUED	TRITON CONSTRUCTION CO.,	11/16/2016
BIS	—	ISSUED	TRITON CONSTRUCTION CO.,	08/29/2016
BIS	—	ISSUED	TRITON CONSTRUCTION CO.,	08/15/2016
BIS	OT	ISSUED	LENNIE CONSTRUCTION CORP	08/10/2016
BIS	—	ISSUED	TRITON CONSTRUCTION CO.,	03/30/2016
BIS	—	ISSUED	TRITON CONSTRUCTION CO.,	01/14/2016
BIS	OT	ISSUED	HOME CRAFTS, INC	12/30/2015
BIS	EQ	ISSUED	TRITON CONSTRUCTION CO.,	11/30/2015
BIS	OT	ISSUED	TCB INTERIOR CORP	09/02/2015
BIS	EQ	ISSUED	S&E BRIDGE & SCAFFOLD LLC.	06/05/2015
BIS	EQ	ISSUED	S&E BRIDGE & SCAFFOLD LLC.	06/01/2015
BIS	EQ	ISSUED	S&E BRIDGE & SCAFFOLD LLC.	06/01/2015
BIS	PL	ISSUED	PRO STAR PLBG,HTG&MECH IN	05/27/2015
BIS	PL	ISSUED	PRO STAR PLBG,HTG&MECH IN	05/01/2015
BIS	—	ISSUED	TRITON CONSTRUCTION CO.,	04/23/2015
BIS	SD	ISSUED	PRO STAR PLBG,HTG&MECH IN	03/25/2015
BIS	SP	ISSUED	RCI FIRE PROTECTION LLC	03/12/2015
BIS	SD	ISSUED	RCI FIRE PROTECTION LLC	02/20/2015
BIS	CC	ISSUED	TRITON CONSTRUCTION CO.,	01/26/2015
BIS	EQ	ISSUED	S&E BRIDGE & SCAFFOLD LLC.	01/13/2015

+ 12 more permits on file

1 project · most recent 02/27/2020

Filed	Status	Contractor	Scope
02/27/2020	—	—	54 heads, 5 outlets

1 project · most recent 01/29/2020

Gas Water/Sanitary

Filed	Status	Contractor	Scope
01/29/2020	—	—	Gas, Water/Sanitary

7 projects · most recent 03/02/2025

General Wiring

Filed	Status	Contractor	Scope
03/02/2025	Complete	POWER SURGE ELECTRIC, INC	General Wiring
01/17/2020	Permit Issued	BRUNI ELECTRIC INC	General Wiring
04/10/2019	Permit Issued	JLC ELEC'L CONTR'G INC	General Wiring
02/04/2019	Permit Issued	CITI-WIDE ELECTRIC INC	General Wiring
10/24/2018	Permit Issued	AGIR ELEC'L LTD. D/B/A	General Wiring
10/23/2018	Permit Issued	AGIR ELEC'L LTD. D/B/A	General Wiring
09/13/2018	Permit Issued	ROMCON ELECTRIC, INC	General Wiring

1 project · most recent 08/17/2026

Filed	Status	Contractor	Scope
08/17/2026	Permit Issued	CENTRAL CONSTRUCTION MGMT	—

▾Special Inspection Requirements (DOB NOW) — 7

Date	Requirement	Inspector	Role
01/14/2025	Structural Stability – Alterations of existing buildings	SUCHITH JAYASENA	special
01/14/2025	Structural Steel - Details	SUCHITH JAYASENA	special
01/14/2025	Tenant Protection Plan Compliance	SUCHITH JAYASENA	special
01/14/2025	Concrete - Cast-In-Place	SUCHITH JAYASENA	special
01/14/2025	Structural Steel - Welding	SUCHITH JAYASENA	special
01/14/2025	Final	SUCHITH JAYASENA	progress
02/04/2020	Fire-Resistant Penetrations and Joints	SEBASTIAN SETTEDUCATE JR., P.E	special

▾Documents — 686 on file (BIS + DOB NOW)

▸Plans & Drawings7

▸DOB NOWPlans/Sketch - Sprinkler2

09/05/2026M00303477-I1Request digital key ↗

08/14/2026M00322465-I1Request digital key ↗

▸DOB NOWPlans/Sketch - Standpipe2

09/05/2026M00303477-I1Request digital key ↗

08/14/2026M00322465-I1Request digital key ↗

▸DOB NOWPlans/Sketch2

08/25/2026M01166781-I1Request digital key ↗

08/18/2026M01446596-I1Request digital key ↗

▸DOB NOWPlans/Sketch - Plumbing1

09/05/2026M00303143-I1Request digital key ↗

▸Applications & Permits152

▸BISPLAN / WORK APPROVAL APPLICATION92

05/01/2023104560235Open ↗

01/23/2020123893812Open ↗

01/20/2020140883630Open ↗

Showing 3 of 92 on file for this type

▸BISWORK PERMIT APPLICATION60

06/01/2020122891326Open ↗

01/20/2020140883630Open ↗

12/16/2019123893812Open ↗

Showing 3 of 60 on file for this type

▸Zoning, Tax Lot & Property Records2

▸BISZONING DIAGRAM1

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.

Showing 0 of 1 on file for this type

▸Seals & Professional Certifications169

▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION96

06/10/2020104560235Open ↗

01/31/2020123893812Open ↗

09/10/2019123893812Open ↗

Showing 3 of 96 on file for this type

▸BISPROFESSIONAL CERTIFIED CHECKLIST27

03/27/2018123061097Open ↗

08/15/2017123061097Open ↗

Showing 2 of 27 on file for this type

▸BISPROFESSIONAL CERTIFICATION STATEMENT FORM21

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

Showing 0 of 21 on file for this type

▸BISPROFESSIONAL CERTIFICATION STATEMENT10

01/20/2020140883630Open ↗

10/03/2017140698644Open ↗

08/15/2017123061097Open ↗

Showing 3 of 10 on file for this type

▸DOB NOWDPL-1: Design Professional Seal & Signature4

09/05/2026M00303477-I1Open ↗

08/25/2026M01166781-I1Open ↗

08/13/2026M00303143-I1Open ↗

Showing 3 of 4 on file for this type

▸BISREQUIRED ITEMS CHECKLIST FOR PROFESSIONAL CERTIFICATION3

01/20/2020140883630Open ↗

10/03/2017140698644Open ↗

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▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY2

01/20/2020140883630Open ↗

Showing 1 of 2 on file for this type

▸BISPC FULL REPORT2

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

Showing 0 of 2 on file for this type

▸DOB NOWSpecial Inspector Seal & Signature2

09/02/2026M01166781-I1Open ↗

08/22/2026M00303143-I1Open ↗

▸BISAPPLICANT OWNER SIGNATURE1

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

Showing 0 of 1 on file for this type

▸DOB NOWProgress Inspector Seal & Signature1

09/02/2026M01166781-I1Open ↗

▸Trade Schedules & Equipment49

▸BISSELF-CERT PLUMBING NOTICE21

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

Showing 0 of 21 on file for this type

▸BISSCHEDULE B - PLUMBING11

10/03/2017140698644Open ↗

Showing 1 of 11 on file for this type

▸BISSCHEDULE B - PLUMBING/SPRINKLER/STANDPIPE7

03/05/2019122891326Open ↗

02/26/2019122891326Open ↗

Showing 3 of 7 on file for this type

▸BISEQUIPMENT USE PERMITS3

05/09/2018123061097Open ↗

▸BISSCHEDULE C - HEATING & COMBUSTION EQUIPMENT3

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

Showing 0 of 3 on file for this type

▸BISEQUIPMENT USE APPLICATION/PERMIT3

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

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▸BISBOILERS - SUPPORTING DOCUMENTATION1

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

Showing 0 of 1 on file for this type

▸Safety & Tenant Protection9

▸BISTenant Protection Plan and Notes5

05/15/2019123893812Open ↗

08/15/2017123061097Open ↗

10/03/2017140698644Open ↗

Showing 3 of 5 on file for this type

▸DOB NOWTenant Protection Plan3

08/13/2026M00322465-I1Open ↗

08/13/2026M00303143-I1Open ↗

08/13/2026M00303477-I1Open ↗

▸BISST-1 Street Tree Checklist1

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

Showing 0 of 1 on file for this type

▸Environmental & Asbestos19

▸BISASBESTOS EXEMPTION CERTIFICATION LETTER19

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

Showing 0 of 19 on file for this type

▸Energy Compliance28

▸BISTECHNICAL REPORT: ENERGY CODE PROGRESS INSPS18

05/23/2019123893812Open ↗

05/09/2018123061097Open ↗

Showing 3 of 18 on file for this type

▸BISAS-BUILT ENERGY ANALYSIS4

07/15/2020121328777Open ↗

05/09/2018123061097Open ↗

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▸BISTR8: Energy Code Progress Inspections4

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

Showing 0 of 4 on file for this type

▸BISTECHNICAL REPORT: ENERGY CODE - RESPONSIBILITY2

07/15/2020121328777Open ↗

Showing 1 of 2 on file for this type

▸Inspections & Test Reports38

▸BISTECHNICAL REPORT: CONCRETE DESIGN MIX11

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

Showing 0 of 11 on file for this type

▸BISTECHNICAL REPORT: RESPONSIBILITY10

07/15/2020121328777Open ↗

01/28/2020140883630Open ↗

01/20/2020140883630Open ↗

Showing 3 of 10 on file for this type

▸BISTECHNICAL REPORT: CONCRETE/TEST CYLINDER6

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

Showing 0 of 6 on file for this type

▸BISHYDRAULIC FLOW CALCULATIONS3

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

Showing 0 of 3 on file for this type

▸BISTECHNICAL REPORT: SOIL INSPECTION2

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

Showing 0 of 2 on file for this type

▸BISTECHNICAL REPORT: PILE DRIVING2

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

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▸BISCONCRETE DESIGN MIX (TR-3) 27-6052

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

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▸BISDIR-14 ID OF RESPONSIBILITY (TR1)1

01/20/2020140883630Open ↗

▸BISTR2: CONCRETE TEST CYLINDERS TECHNICAL REPORT1

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

Showing 0 of 1 on file for this type

▸Approvals, Objections & Sign-offs70

▸BISCERTIFICATE OF OCCUPANCY/LOC: REQUEST32

10/19/2020104560235Open ↗

07/27/2020104560235Open ↗

07/15/2020121328777Open ↗

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▸BISADMINISTRATIVE OBJECTIONS24

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

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▸BISLETTERS - SUPPORTING DOCUMENTATION7

09/12/2019122891326Open ↗

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▸BISSCHEDULE A - OCCUPANCY / USE3

05/01/2023104560235Open ↗

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▸BISBSA-CPC APPROVAL2

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

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▸BISCCD1-Construction Code Determination1

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▸BISSHED LETTER1

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▸Cost, Insurance & Ownership32

▸BISCOST AFFIDAVIT22

05/15/2019123893812Open ↗

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▸BISPROJECT-SPECIFIC GL INSURANCE4

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

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▸BISWELDERS AFFIDAVIT3

05/23/2019123893812Open ↗

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▸BISHIC LICENSE OR AFFIDAVIT3

05/12/2017122891326Open ↗

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▸Filing & Intake Forms100

▸BISEFILING COVER SHEET38

05/15/2019123893812Open ↗

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▸BISADDITIONAL INFORMATION36

03/30/2020123893812Open ↗

02/25/2020123893812Open ↗

02/12/2020140883630Open ↗

Showing 3 of 36 on file for this type

▸BISBOROUGH INTAKE FORM19

06/01/2020122891326Open ↗

02/12/2020104560235Open ↗

01/23/2020123893812Open ↗

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▸BISEFILING JOB APPLICATION COVER SHEET7

01/20/2020140883630Open ↗

10/03/2017140698644Open ↗

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▸Other Documents11

▸BISEXTERNAL FORMS - SUPPORTING DOCUMENTATION6

05/09/2018123061097Open ↗

10/03/2017140698644Open ↗

07/14/2017122891326Open ↗

Showing 3 of 6 on file for this type

▸BISDepartment of Consumer Affairs (DCA) Form3

09/12/2019122891326Open ↗

09/04/2018122891326Open ↗

05/12/2017122891326Open ↗

▸BISSupporting Document: Fee Exempt1

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

Showing 0 of 1 on file for this type

▸DOB NOWIRA Certification1

08/18/2026M01446596-I1Open ↗