Mercer General Works Co. L — NYC General Contractor: DOB Permits, Filings & Buildings

Contractor

MERCER GENERAL WORKS CO L

General Contractor

2 projects with open permitsMANHATTAN · 8BROOKLYN · 1

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6 buildings

Total Filings

Projects on File

Buildings Worked

Projects w/ Open Permits

General Contractor

Primary Trade

Activity

Projects by first filing month9 projects all-time

bars = month · line = 3-mo average

Portfolio status

Browse projects →

Open permit222%

Other status778%

By project type

Alteration2

Most active buildings

All buildings →

225 WEST 34 STREETMANHATTAN · latest 08/15/2018

3 projects

17 UNION SQUAREMANHATTAN · latest 04/27/2017

2 projects

945 MADISON AVENUEMANHATTAN · latest 08/16/2020

1 projects

1000 5 AVENUEMANHATTAN · 1 open · latest 09/17/2025

1 projects

643 GREENWICH STREETMANHATTAN · latest 04/09/2018

1 projects

177 SOUTH 4 STREETBROOKLYN · 1 open · latest 09/14/2026

1 projects

Key relationships

Everyone →

Design firms

ENGINEERING SOLUTIONS

1 projects

PELLOVERTON LLC

1 projects

Thrasher & Lynch Engineering

1 projects

Young Architecture PLLC

1 projects

Filing representatives

CONVERSANO ASSOCIATES, INC.

1 projects

JM ZONING, LLC.

1 projects

Owners

THE METROPOLITAN MUSEUM OF ART

1 projects

Most recent projects

All projects →

Project	Address	Type	Status	Filed	Latest permit	On the project	Description
B01449111 ↗	177 SOUTH 4 STREET BROOKLYN	Alteration	Permit Issued	09/08/2026	09/14/2026	Design PELLOVERTON LLC Filer JM ZONING, LLC.	REMOVAL AND REPLACEMENT OF INTERIOR NON LOAD BEARING PARTITIONS AT EXISTING LOCATIONS. NO CHANGE IN USE, EGRESS OR OCCUPANCY.
M01136408 ↗	1000 5 AVENUE MANHATTAN	Alteration	Permit Issued	02/03/2025	09/17/2025	Design Young Architecture PLLC Owner THE METROPOLITAN MUSEUM OF ART Filer CONVERSANO ASSOCIATES, INC.	WATSON LIBRARY STUDY ROOM RENOVATIONS. MODIFICATION OF DUCT DISTRIBUTION FROM EXISTING HVAC SYSTEM.
123791913BIS	945 MADISON AVENUE MANHATTAN	—	ISSUED	08/16/2020	08/16/2020	—	—
122838938BIS	225 WEST 34 STREET MANHATTAN	—	ISSUED	08/03/2016	08/15/2018	—	MH, OT, PL, SP
121989474BIS	225 WEST 34 STREET MANHATTAN	—	ISSUED	06/13/2014	04/13/2018	—	MH, OT, PL, SP
123425098BIS	643 GREENWICH STREET MANHATTAN	—	ISSUED	03/29/2018	04/09/2018	—	OT

Counts cover all 9 projects (2 DOB NOW + 7 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
ENGINEERING SOLUTIONS	1	08/11/2025
PELLOVERTON LLC	1	09/08/2026
Thrasher & Lynch Engineering	1	09/08/2026
Young Architecture PLLC	1	08/11/2025

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

Name	Projects together	Most recent
THE METROPOLITAN MUSEUM OF ART	1	08/11/2025

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

Name	Projects together	Most recent
CONVERSANO ASSOCIATES, INC.	1	08/11/2025
JM ZONING, LLC.	1	09/08/2026

2 DOB NOW projects + 7 legacy BIS projects, 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 9Open permit 2Other status 7

9 projects

Project	Address	Type	Status	Filed	Latest permit	On the project	Description
B01449111 ↗	177 SOUTH 4 STREET BROOKLYN	Alteration	Permit Issued	09/08/2026	09/14/2026	Design PELLOVERTON LLC Filer JM ZONING, LLC.	REMOVAL AND REPLACEMENT OF INTERIOR NON LOAD BEARING PARTITIONS AT EXISTING LOCATIONS. NO CHANGE IN USE, EGRESS OR OCCUPANCY.
M01136408 ↗	1000 5 AVENUE MANHATTAN	Alteration	Permit Issued	02/03/2025	09/17/2025	Design Young Architecture PLLC Owner THE METROPOLITAN MUSEUM OF ART Filer CONVERSANO ASSOCIATES, INC.	WATSON LIBRARY STUDY ROOM RENOVATIONS. MODIFICATION OF DUCT DISTRIBUTION FROM EXISTING HVAC SYSTEM.
123791913BIS	945 MADISON AVENUE MANHATTAN	—	ISSUED	08/16/2020	08/16/2020	—	—
122838938BIS	225 WEST 34 STREET MANHATTAN	—	ISSUED	08/03/2016	08/15/2018	—	MH, OT, PL, SP
121989474BIS	225 WEST 34 STREET MANHATTAN	—	ISSUED	06/13/2014	04/13/2018	—	MH, OT, PL, SP
123425098BIS	643 GREENWICH STREET MANHATTAN	—	ISSUED	03/29/2018	04/09/2018	—	OT
122707053BIS	17 UNION SQUARE MANHATTAN	—	ISSUED	03/10/2016	04/27/2017	—	MH, PL, SP
122640534BIS	17 UNION SQUARE MANHATTAN	—	ISSUED	02/29/2016	02/29/2016	—	OT
122110973BIS	225 WEST 34 STREET MANHATTAN	—	ISSUED	08/22/2014	08/22/2014	—	OT

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

Building	Filings	Most Recent
177 SOUTH 4 STREET ↗	1	09/15/2026

1000 5 AVENUE ↗	2	04/09/2026

▾Documents — 189 on file (BIS + DOB NOW)

▸Plans & Drawings5

▸DOB NOWPlans/Sketch5

09/14/2026B01449111-S1 · 177 SOUTH 4 STREETRequest digital key ↗

09/14/2026B01449111-I1 · 177 SOUTH 4 STREETRequest digital key ↗

08/22/2026M01136408-P1 · 1000 5 AVENUERequest digital key ↗

Showing 3 of 5 on file for this type

▸Applications & Permits35

▸BISWORK PERMIT APPLICATION18

08/16/2020123791913 · 945 MADISON AVENUEOpen ↗

04/12/2018123425098 · 643 GREENWICH STREETOpen ↗

03/30/2018123425098 · 643 GREENWICH STREETOpen ↗

Showing 3 of 18 on file for this type

▸BISPLAN / WORK APPROVAL APPLICATION13

06/05/2020123791913 · 945 MADISON AVENUEOpen ↗

03/28/2018123425098 · 643 GREENWICH STREETOpen ↗

04/04/2017122707053 · 17 UNION SQUAREOpen ↗

Showing 3 of 13 on file for this type

▸DOB NOWLPC Approval/Permit3

08/22/2026M01136408-I1 · 1000 5 AVENUEOpen ↗

08/13/2026M01136408-P1 · 1000 5 AVENUEOpen ↗

08/13/2026M01136408-S1 · 1000 5 AVENUEOpen ↗

▸BISCERTIFICATE OF OCCUPANCY: APPLICATION1

08/25/2020123791913 · 945 MADISON AVENUEOpen ↗

▸Zoning, Tax Lot & Property Records1

▸BISTAX LOT: FINAL LOT NUMBER ISSUED1

06/05/2020123791913 · 945 MADISON AVENUEOpen ↗

▸Seals & Professional Certifications52

▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION28

12/04/2018121989474 · 225 WEST 34 STREETOpen ↗

03/28/2018123425098 · 643 GREENWICH STREETOpen ↗

Showing 3 of 28 on file for this type

▸BISPROFESSIONAL CERTIFICATION STATEMENT8

03/28/2018123425098 · 643 GREENWICH STREETOpen ↗

01/05/2016122640534 · 17 UNION SQUAREOpen ↗

08/27/2014122110973 · 225 WEST 34 STREETOpen ↗

Showing 3 of 8 on file for this type

▸BISPROFESSIONAL CERTIFIED CHECKLIST6

03/28/2018123425098 · 643 GREENWICH STREETOpen ↗

01/05/2016122640534 · 17 UNION SQUAREOpen ↗

08/27/2014122110973 · 225 WEST 34 STREETOpen ↗

Showing 3 of 6 on file for this type

▸DOB NOWDPL-1: Design Professional Seal & Signature5

09/14/2026B01449111-S1 · 177 SOUTH 4 STREETOpen ↗

09/14/2026B01449111-I1 · 177 SOUTH 4 STREETOpen ↗

08/22/2026M01136408-I1 · 1000 5 AVENUEOpen ↗

Showing 3 of 5 on file for this type

▸DOB NOWProgress Inspector Seal & Signature3

09/23/2026B01449111-I1 · 177 SOUTH 4 STREETOpen ↗

08/24/2026M01136408-S1 · 1000 5 AVENUEOpen ↗

08/23/2026M01136408-I1 · 1000 5 AVENUEOpen ↗

▸DOB NOWSpecial Inspector Seal & Signature2

08/24/2026M01136408-S1 · 1000 5 AVENUEOpen ↗

08/23/2026M01136408-I1 · 1000 5 AVENUEOpen ↗

▸Trade Schedules & Equipment16

▸BISSCHEDULE B - PLUMBING/SPRINKLER/STANDPIPE5

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

Showing 0 of 5 on file for this type

▸BISEQUIPMENT USE PERMITS5

12/04/2018121989474 · 225 WEST 34 STREETOpen ↗

Showing 3 of 5 on file for this type

▸BISEQUIPMENT USE APPLICATION/PERMIT4

12/04/2018121989474 · 225 WEST 34 STREETOpen ↗

07/28/2017122707053 · 17 UNION SQUAREOpen ↗

Showing 3 of 4 on file for this type

▸BISSELF-CERT PLUMBING NOTICE2

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

Showing 0 of 2 on file for this type

▸Safety & Tenant Protection2

▸BISTenant Protection Plan and Notes1

03/28/2018123425098 · 643 GREENWICH STREETOpen ↗

▸BISSTREET TREE CHECKLIST1

06/26/2020123791913 · 945 MADISON AVENUEOpen ↗

▸Environmental & Asbestos12

▸DOB NOWDEP ACP-5: Asbestos Assessment Report5

09/14/2026B01449111-S1 · 177 SOUTH 4 STREETOpen ↗

09/14/2026B01449111-I1 · 177 SOUTH 4 STREETOpen ↗

08/22/2026M01136408-I1 · 1000 5 AVENUEOpen ↗

Showing 3 of 5 on file for this type

▸BISASBESTOS: CERTIFICATION (DEP ACP5)4

06/08/2020123791913 · 945 MADISON AVENUEOpen ↗

08/27/2014122110973 · 225 WEST 34 STREETOpen ↗

Showing 2 of 4 on file for this type

▸BISDEP ASBESTOS PROJECT COMPLETION FORM1

01/05/2016122640534 · 17 UNION SQUAREOpen ↗

▸BISENVIRONMENTAL RESTRICTIONS - OER NOTICE TO PROCEED1

06/19/2020123791913 · 945 MADISON AVENUEOpen ↗

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

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

Showing 0 of 1 on file for this type

▸Energy Compliance19

▸BISTECHNICAL REPORT: ENERGY CODE PROGRESS INSPS13

12/04/2018121989474 · 225 WEST 34 STREETOpen ↗

03/28/2018123425098 · 643 GREENWICH STREETOpen ↗

05/30/2017122640534 · 17 UNION SQUAREOpen ↗

Showing 3 of 13 on file for this type

▸BISAS-BUILT ENERGY ANALYSIS6

07/06/2020123425098 · 643 GREENWICH STREETOpen ↗

12/04/2018121989474 · 225 WEST 34 STREETOpen ↗

07/31/2017122707053 · 17 UNION SQUAREOpen ↗

Showing 3 of 6 on file for this type

▸Inspections & Test Reports1

▸BISTECHNICAL REPORT: RESPONSIBILITY1

07/06/2020123425098 · 643 GREENWICH STREETOpen ↗

▸Approvals, Objections & Sign-offs15

▸BISCERTIFICATE OF OCCUPANCY/LOC: REQUEST6

07/06/2020123425098 · 643 GREENWICH STREETOpen ↗

12/04/2018121989474 · 225 WEST 34 STREETOpen ↗

07/31/2017122707053 · 17 UNION SQUAREOpen ↗

Showing 3 of 6 on file for this type

▸BISLETTERS - SUPPORTING DOCUMENTATION3

12/04/2018121989474 · 225 WEST 34 STREETOpen ↗

05/22/2017122707053 · 17 UNION SQUAREOpen ↗

▸DOB NOWFee Exempt Supporting Document - DOF ACRIS report or BIB letter3

08/22/2026M01136408-I1 · 1000 5 AVENUEOpen ↗

Showing 1 of 3 on file for this type

▸BISSCHEDULE A - OCCUPANCY / USE2

06/08/2020123791913 · 945 MADISON AVENUEOpen ↗

06/05/2020123791913 · 945 MADISON AVENUEOpen ↗

▸BISLANDMARKS APPROVAL1

06/08/2020123791913 · 945 MADISON AVENUEOpen ↗

▸Cost, Insurance & Ownership11

▸BISCOST AFFIDAVIT11

07/06/2020123425098 · 643 GREENWICH STREETOpen ↗

06/08/2020123791913 · 945 MADISON AVENUEOpen ↗

12/04/2018121989474 · 225 WEST 34 STREETOpen ↗

Showing 3 of 11 on file for this type

▸Filing & Intake Forms15

▸BISEFILING COVER SHEET9

06/05/2020123791913 · 945 MADISON AVENUEOpen ↗

03/28/2018123425098 · 643 GREENWICH STREETOpen ↗

01/05/2016122640534 · 17 UNION SQUAREOpen ↗

Showing 3 of 9 on file for this type

▸BISADDITIONAL INFORMATION5

06/26/2020123791913 · 945 MADISON AVENUEOpen ↗

07/21/2017122707053 · 17 UNION SQUAREOpen ↗

04/07/2017122640534 · 17 UNION SQUAREOpen ↗

Showing 3 of 5 on file for this type

▸BISBOROUGH INTAKE FORM1

12/04/2018121989474 · 225 WEST 34 STREETOpen ↗

▸Other Documents5

▸BISEXTERNAL FORMS - SUPPORTING DOCUMENTATION2

06/08/2020123791913 · 945 MADISON AVENUEOpen ↗

05/13/2015122110973 · 225 WEST 34 STREETOpen ↗

▸DOB NOWProof of Historic Building2

08/22/2026M01136408-I1 · 1000 5 AVENUEOpen ↗

08/13/2026M01136408-P1 · 1000 5 AVENUEOpen ↗

▸BISPLOT DIAGRAM1

06/08/2020123791913 · 945 MADISON AVENUEOpen ↗

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