Catalyst Chilmark LLC — NYC General Contractor: DOB Permits, Filings & Buildings

Contractor

CATALYST CHILMARK LLC

General Contractor

1 project with open permitsMANHATTAN · 2

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2 buildings

Total Filings

Projects on File

Buildings Worked

Projects w/ Open Permits

General Contractor

Primary Trade

Activity

Projects by first filing month2 projects all-time

bars = month · line = 3-mo average

Portfolio status

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Open permit150%

Other status150%

By project type

Alteration1

Most active buildings

All buildings →

153 MADISON AVENUEMANHATTAN · 1 open · latest 04/29/2021

1 projects

WEST 45 STREETMANHATTAN · latest 04/28/2021

1 projects

Key relationships

Everyone →

Design firms

COLBERG ARCHITECTURE

1 projects

Filing representatives

WILLIAM VITACCO ASSOCIATES

1 projects

Contractors

J. SIMON ASSOCIATES INC

1 projects

Most recent projects

All projects →

Project	Address	Type	Status	Filed	Latest permit	On the project	Description
M00472661 ↗	153 MADISON AVENUE MANHATTAN	Alteration	Permit Issued	03/23/2021	04/29/2021	Design COLBERG ARCHITECTURE Owner CATALYST CHILMARK LLC Filer WILLIAM VITACCO ASSOCIATES	Application for interior renovation to combine apartments 11D and 11E. NO CHANGE TO USE, OCCUPANCY, OR EGRESS.
121204188BIS	WEST 45 STREET MANHATTAN	—	ISSUED	02/13/2019	04/28/2021	—	PL

Counts cover all 2 projects (1 DOB NOW + 1 legacy BIS). Dated by first filing; BIS projects by first permit issuance.

Who this entity's projects were filed with. Top 25 per group by shared jobs.

Name	Projects together	Most recent
COLBERG ARCHITECTURE	1	03/23/2021

Who this entity's projects were filed with. Top 25 per group by shared jobs.

Name	Projects together	Most recent
J. SIMON ASSOCIATES INC	1	03/23/2021

Who this entity's projects were filed with. Top 25 per group by shared jobs.

Name	Projects together	Most recent
WILLIAM VITACCO ASSOCIATES	1	03/23/2021

1 DOB NOW project + 1 legacy BIS project, anchored the same way as Buildings Worked. Status is the project's permit state today: open = at least one permit currently issued. BIS projects show their raw permit status and are not counted as open.

All 2Open permit 1Other status 1

2 projects

Project	Address	Type	Status	Filed	Latest permit	On the project	Description
M00472661 ↗	153 MADISON AVENUE MANHATTAN	Alteration	Permit Issued	03/23/2021	04/29/2021	Design COLBERG ARCHITECTURE Owner CATALYST CHILMARK LLC Filer WILLIAM VITACCO ASSOCIATES	Application for interior renovation to combine apartments 11D and 11E. NO CHANGE TO USE, OCCUPANCY, OR EGRESS.
121204188BIS	WEST 45 STREET MANHATTAN	—	ISSUED	02/13/2019	04/28/2021	—	PL

Click a row for this entity's own projects, plans and documents at that building.

Building	Filings	Most Recent
153 MADISON AVENUE ↗	1	07/08/2026

350 WEST 45TH STREET ↗	2	03/22/2026

▾Documents — 131 on file (BIS + DOB NOW)

▸Plans & Drawings1

▸DOB NOWPlans/Sketch - General Construction1

09/04/2026M00472661-I1 · 153 MADISON AVENUERequest digital key ↗

▸Applications & Permits24

▸BISPLAN / WORK APPROVAL APPLICATION16

04/22/2022121204188 · WEST 45 STREETOpen ↗

04/21/2022121204188 · WEST 45 STREETOpen ↗

Showing 2 of 16 on file for this type

▸BISWORK PERMIT APPLICATION7

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

Showing 0 of 7 on file for this type

▸BISCERTIFICATE OF OCCUPANCY: APPLICATION1

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

Showing 0 of 1 on file for this type

▸Zoning, Tax Lot & Property Records6

▸BISZONING DIAGRAM1

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

Showing 0 of 1 on file for this type

▸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

▸BISZONING EXHIBIT III:DESC. & OWNRSHP.STMNT1

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

Showing 0 of 1 on file for this type

▸BISVERIFY TAX LOT1

10/04/2021121204188 · WEST 45 STREETOpen ↗

▸BISADDRESS: NEW HOUSE NUMBER APPROVED1

10/04/2021121204188 · WEST 45 STREETOpen ↗

▸BISCO OBJ: VERIFY ADDRESS-TOPO STAMP1

10/04/2021121204188 · WEST 45 STREETOpen ↗

▸Seals & Professional Certifications5

▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION4

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

Showing 0 of 4 on file for this type

▸DOB NOWDPL-1: Design Professional Seal & Signature1

08/13/2026M00472661-I1 · 153 MADISON AVENUEOpen ↗

▸Trade Schedules & Equipment26

▸BISEQUIPMENT USE PERMITS11

10/04/2021121204188 · WEST 45 STREETOpen ↗

Showing 1 of 11 on file for this type

▸BISEQUIPMENT USE APPLICATION/PERMIT7

10/04/2021121204188 · WEST 45 STREETOpen ↗

Showing 1 of 7 on file for this type

▸BISSCHEDULE B - PLUMBING6

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

Showing 0 of 6 on file for this type

▸BIS* SEWER CONNECTION: DEP SD1 & SD21

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

10/04/2021121204188 · WEST 45 STREETOpen ↗

▸Safety & Tenant Protection3

▸BISSTREET 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

▸BISSTREET TREE SIGNOFF1

11/15/2021121204188 · WEST 45 STREETOpen ↗

▸BISANTI-HARASSMENT CHECKLIST: CLINTON1

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

Showing 0 of 1 on file for this type

▸Environmental & Asbestos1

▸DOB NOWDEP ACP-5: Asbestos Assessment Report1

08/13/2026M00472661-I1 · 153 MADISON AVENUEOpen ↗

▸Energy Compliance8

▸BISTECHNICAL REPORT: ENERGY CODE - RESPONSIBILITY4

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

Showing 0 of 4 on file for this type

▸BIS* HVAC INSULATION AND SEALING1

12/10/2021121204188 · WEST 45 STREETOpen ↗

▸BISAS-BUILT ENERGY ANALYSIS (EN2)1

11/15/2021121204188 · WEST 45 STREETOpen ↗

▸BISTECHNICAL REPORT: ENERGY CODE PROGRESS INSPS1

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

Showing 0 of 1 on file for this type

▸BISELECTRICAL ENERGY CONSUMPTION1

12/10/2021121204188 · WEST 45 STREETOpen ↗

▸Inspections & Test Reports24

▸BISTECHNICAL REPORT: RESPONSIBILITY17

09/21/2021121204188 · WEST 45 STREETOpen ↗

Showing 1 of 17 on file for this type

▸BISTECHNICAL REPORT: CONCRETE/TEST CYLINDER3

09/21/2021121204188 · WEST 45 STREETOpen ↗

Showing 2 of 3 on file for this type

▸BISTECHNICAL REPORT: CONCRETE DESIGN MIX2

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

Showing 0 of 2 on file for this type

▸BISSOIL REPORT1

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

Showing 0 of 1 on file for this type

▸BISTECHNICAL REPORT: SOIL INSPECTION1

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-offs5

▸BISSCHEDULE A - OCCUPANCY / USE4

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

Showing 0 of 4 on file for this type

▸BISSUPERSEDING LETTER1

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

Showing 0 of 1 on file for this type

▸Cost, Insurance & Ownership4

▸BISPROJECT-SPECIFIC GL INSURANCE3

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

Showing 0 of 3 on file for this type

▸BISINSURANCE: DISABILITY1

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

Showing 0 of 1 on file for this type

▸Filing & Intake Forms22

▸BISADDITIONAL INFORMATION17

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

Showing 0 of 17 on file for this type

▸BISEFILING COVER SHEET3

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

Showing 0 of 3 on file for this type

▸BISBOROUGH INTAKE FORM2

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

Showing 0 of 2 on file for this type

▸Other Documents2

▸BISPLOT DIAGRAM1

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

Showing 0 of 1 on file for this type

▸BISBPP-PARKS: REMOVE MATURE TREE1

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

Showing 0 of 1 on file for this type

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