Diagrama Construction LLC — NYC General Contractor: DOB Permits, Filings & Buildings

Contractor

DIAGRAMA CONSTRUCTION LLC

General Contractor

MANHATTAN · 12BROOKLYN · 8QUEENS · 1

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20 buildings

Total Filings

Projects on File

Buildings Worked

Projects w/ Open Permits

General Contractor

Primary Trade

Activity

Projects by first filing month21 projects all-time

bars = month · line = 3-mo average

Portfolio status

Browse projects →

Signed off210%

Other status1990%

By project type

Alteration2

Most active buildings

All buildings →

432 CLINTON STREETBROOKLYN · latest 01/16/2013

2 projects

77 WATER STREETMANHATTAN · latest 08/06/2013

1 projects

274 WEST 11 STREETMANHATTAN · latest 03/16/2009

1 projects

405 WEST 21 STREETMANHATTAN · latest 03/15/2017

1 projects

144 WEST 18 STREETMANHATTAN · latest 01/07/2005

1 projects

205 WEST 57 STREETMANHATTAN · latest 03/19/2002

1 projects

Key relationships

Everyone →

Design firms

TOM KOWALSKI ARCHITECT STUDIO PC

1 projects

TURETT COLLABORATIVE ARCHITECTS

1 projects

Filing representatives

BMB BUILDING CONSULTING INC.

1 projects

Contractors

RETROFIT PLGB & HTG INC

1 projects

Most recent projects

All projects →

Project	Address	Type	Status	Filed	Latest permit	On the project	Description
Q01086347 ↗	50-15 39 STREET QUEENS	Alteration	Signed-off	07/31/2024	08/23/2024	Design TOM KOWALSKI ARCHITECT STUDIO PC Filer BMB BUILDING CONSULTING INC.	SUBSEQUENT FILING FOR PLUMBING WORKS IN CONJUNCTION WITH GC FOR KITCHENS WORK AS PER PLANS. REMOVAL OF PLUMBING FIXTURE. NO CHANGE IN USE, E…
M00470432 ↗	240 EAST 61 STREET MANHATTAN	Alteration	Signed-off	03/18/2021	04/16/2021	Design TURETT COLLABORATIVE ARCHITECTS	Interior renovation of existing building as per plan. No change in use occupancy or egress under this application. Building is a State and N…
321470608BIS	663 PUTNAM AVENUE BROOKLYN	—	ISSUED	06/14/2017	06/27/2019	—	OT, PL
320931435BIS	289 CLINTON AVENUE BROOKLYN	—	ISSUED	06/03/2016	02/07/2019	—	MH, OT, PL
321723738BIS	184 KENT AVENUE BROOKLYN	—	ISSUED	01/29/2018	03/30/2018	—	MH, OT, PL
120713317BIS	405 WEST 21 STREET MANHATTAN	—	ISSUED	03/13/2012	03/15/2017	—	OT, PL

Counts cover all 21 projects (2 DOB NOW + 19 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
TOM KOWALSKI ARCHITECT STUDIO PC	1	08/29/2024
TURETT COLLABORATIVE ARCHITECTS	1	03/18/2021

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

Name	Projects together	Most recent
RETROFIT PLGB & HTG INC	1	08/29/2024

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

Name	Projects together	Most recent
BMB BUILDING CONSULTING INC.	1	08/29/2024

2 DOB NOW projects + 19 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 21Signed off 2Other status 19

21 projects

Project	Address	Type	Status	Filed	Latest permit	On the project	Description
Q01086347 ↗	50-15 39 STREET QUEENS	Alteration	Signed-off	07/31/2024	08/23/2024	Design TOM KOWALSKI ARCHITECT STUDIO PC Filer BMB BUILDING CONSULTING INC.	SUBSEQUENT FILING FOR PLUMBING WORKS IN CONJUNCTION WITH GC FOR KITCHENS WORK AS PER PLANS. REMOVAL OF PLUMBING FIXTURE. NO CHANGE IN USE, E…
M00470432 ↗	240 EAST 61 STREET MANHATTAN	Alteration	Signed-off	03/18/2021	04/16/2021	Design TURETT COLLABORATIVE ARCHITECTS	Interior renovation of existing building as per plan. No change in use occupancy or egress under this application. Building is a State and N…
321470608BIS	663 PUTNAM AVENUE BROOKLYN	—	ISSUED	06/14/2017	06/27/2019	—	OT, PL
320931435BIS	289 CLINTON AVENUE BROOKLYN	—	ISSUED	06/03/2016	02/07/2019	—	MH, OT, PL
321723738BIS	184 KENT AVENUE BROOKLYN	—	ISSUED	01/29/2018	03/30/2018	—	MH, OT, PL
120713317BIS	405 WEST 21 STREET MANHATTAN	—	ISSUED	03/13/2012	03/15/2017	—	OT, PL
121608242BIS	421 HUDSON STREET MANHATTAN	—	ISSUED	04/01/2014	04/07/2014	—	OT, PL
121421470BIS	1212 5 AVENUE MANHATTAN	—	ISSUED	05/07/2013	12/12/2013	—	OT, PL
121730555BIS	77 WATER STREET MANHATTAN	—	ISSUED	08/06/2013	08/06/2013	—	MH, OT
320336659BIS	432 CLINTON STREET BROOKLYN	—	ISSUED	11/14/2011	01/16/2013	—	PL
320485961BIS	432 CLINTON STREET BROOKLYN	—	ISSUED	07/10/2012	07/10/2012	—	OT
121013429BIS	5 WEST 53 STREET MANHATTAN	—	ISSUED	05/29/2012	06/26/2012	—	OT, PL
320271969BIS	306 WASHINGTON AVENUE BROOKLYN	—	ISSUED	08/03/2011	01/05/2012	—	MH, OT, PL
320311854BIS	497 3RD STREET BROOKLYN	—	ISSUED	06/21/2011	06/21/2011	—	EQ
120299042BIS	1080 MADISON AVENUE MANHATTAN	—	ISSUED	04/02/2010	04/05/2010	—	OT, PL
120268879BIS	134 WEST 93 STREET MANHATTAN	—	ISSUED	03/25/2010	03/26/2010	—	OT, PL
320111623BIS	433 WARREN STREET BROOKLYN	—	ISSUED	01/27/2010	01/27/2010	—	OT
120010754BIS	1246 MADISON AVENUE MANHATTAN	—	ISSUED	05/04/2009	05/11/2009	—	MH, OT, PL
110113314BIS	274 WEST 11 STREET MANHATTAN	—	ISSUED	04/15/2008	03/16/2009	—	OT, PL
103847642BIS	144 WEST 18 STREET MANHATTAN	—	ISSUED	08/05/2004	01/07/2005	—	OT, PL, SP
103064835BIS	205 WEST 57 STREET MANHATTAN	—	ISSUED	03/19/2002	03/19/2002	—	OT

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

Building	Filings	Most Recent
240 EAST 61 STREET ↗	1	07/08/2026

50-15 39 STREET ↗	2	03/21/2026

▾Documents — 435 on file (BIS + DOB NOW)

▸Plans & Drawings5

▸DOB NOWPlans/Sketch4

08/21/2026Q01086347-I1 · 50-15 39 STREETRequest digital key ↗

08/21/2026Q01086347-S1 · 50-15 39 STREETRequest digital key ↗

Showing 2 of 4 on file for this type

▸DOB NOWPlans/Sketch - General Construction1

09/04/2026M00470432-I1 · 240 EAST 61 STREETRequest digital key ↗

▸Applications & Permits111

▸BISWORK PERMIT APPLICATION50

06/28/2019321470608 · 663 PUTNAM AVENUEOpen ↗

03/30/2018321723738 · 184 KENT AVENUEOpen ↗

03/08/2018321723738 · 184 KENT AVENUEOpen ↗

Showing 3 of 50 on file for this type

▸BISPLAN / WORK APPROVAL APPLICATION50

01/06/2022320311854 · 497 3RD STREETOpen ↗

09/14/2019321470608 · 663 PUTNAM AVENUEOpen ↗

07/18/2018321470608 · 663 PUTNAM AVENUEOpen ↗

Showing 3 of 50 on file for this type

▸BISPLAN - WORK & PERMITS - SUPPPORTING DOCUMENTATION8

08/14/2019321470608 · 663 PUTNAM AVENUEOpen ↗

07/13/2018321470608 · 663 PUTNAM AVENUEOpen ↗

07/10/2018321470608 · 663 PUTNAM AVENUEOpen ↗

Showing 3 of 8 on file for this type

▸BISNon-Directive 14 Construction Sign Off Including Sign Applications1

06/18/2009110113314 · 274 WEST 11 STREETOpen ↗

▸BISCERTIFICATE OF OCCUPANCY: APPLICATION1

10/19/2012320336659 · 432 CLINTON STREETOpen ↗

▸DOB NOWLPC Approval/Permit1

08/13/2026M00470432-I1 · 240 EAST 61 STREETOpen ↗

▸Zoning, Tax Lot & Property Records3

▸BISZoning Diagram (ZD1)2

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

Showing 0 of 2 on file for this type

▸BISADDRESS - NEW HOUSE NUMBER APPROVED1

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 Certifications81

▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION57

09/20/2019321470608 · 663 PUTNAM AVENUEOpen ↗

01/30/2018321723738 · 184 KENT AVENUEOpen ↗

Showing 3 of 57 on file for this type

▸BISPROFESSIONAL CERTIFIED CHECKLIST5

01/23/2018321723738 · 184 KENT AVENUEOpen ↗

08/05/2013121730555 · 77 WATER STREETOpen ↗

03/23/2010120299042 · 1080 MADISON AVENUEOpen ↗

Showing 3 of 5 on file for this type

▸DOB NOWDPL-1: Design Professional Seal & Signature5

08/21/2026Q01086347-P2 · 50-15 39 STREETOpen ↗

08/21/2026Q01086347-S1 · 50-15 39 STREETOpen ↗

08/21/2026Q01086347-I1 · 50-15 39 STREETOpen ↗

Showing 3 of 5 on file for this type

▸BISPROFESSIONAL CERTIFICATION STATEMENT FORM4

08/05/2013121730555 · 77 WATER STREETOpen ↗

03/23/2010120299042 · 1080 MADISON AVENUEOpen ↗

Showing 2 of 4 on file for this type

▸DOB NOWSpecial Inspector Seal & Signature4

08/26/2026Q01086347-I1 · 50-15 39 STREETOpen ↗

08/25/2026Q01086347-P1 · 50-15 39 STREETOpen ↗

08/24/2026Q01086347-P2 · 50-15 39 STREETOpen ↗

Showing 3 of 4 on file for this type

▸BISPROFESSIONAL CERTIFICATION STATEMENT3

01/23/2018321723738 · 184 KENT AVENUEOpen ↗

Showing 1 of 3 on file for this type

▸DOB NOWProgress Inspector Seal & Signature3

08/26/2026Q01086347-I1 · 50-15 39 STREETOpen ↗

08/22/2026M00470432-I1 · 240 EAST 61 STREETOpen ↗

▸Trade Schedules & Equipment51

▸BISSELF-CERT PLUMBING NOTICE24

11/28/2014121608242 · 421 HUDSON STREETOpen ↗

06/12/2014121608242 · 421 HUDSON STREETOpen ↗

01/24/2014121421470 · 1212 5 AVENUEOpen ↗

Showing 3 of 24 on file for this type

▸BISSCHEDULE B - PLUMBING12

11/11/2013121421470 · 1212 5 AVENUEOpen ↗

12/13/2012121421470 · 1212 5 AVENUEOpen ↗

10/12/2011320271969 · 306 WASHINGTON AVENUEOpen ↗

Showing 3 of 12 on file for this type

▸BISSCHEDULE B - PLUMBING/SPRINKLER/STANDPIPE8

06/06/2018120713317 · 405 WEST 21 STREETOpen ↗

01/23/2018321723738 · 184 KENT AVENUEOpen ↗

05/09/2017120713317 · 405 WEST 21 STREETOpen ↗

Showing 3 of 8 on file for this type

▸BISEQUIPMENT USE PERMITS5

05/31/2023320931435 · 289 CLINTON AVENUEOpen ↗

Showing 3 of 5 on file for this type

▸BISEQUIPMENT USE APPLICATION/PERMIT2

05/31/2023320931435 · 289 CLINTON AVENUEOpen ↗

05/11/2023320931435 · 289 CLINTON AVENUEOpen ↗

▸Safety & Tenant Protection4

▸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

▸BISTenant Protection Plan and Notes1

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

Showing 0 of 1 on file for this type

▸BISEXCAVATION OR DEMOLITION: 5-DAY NOTICE1

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

Showing 0 of 1 on file for this type

▸BISDEMOLITION SUBMITTAL CERTIFICATION FORM1

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

Showing 0 of 1 on file for this type

▸Environmental & Asbestos24

▸BISTHIS IS 'NOT AN ASBESTOS PROJECT'9

03/23/2010120299042 · 1080 MADISON AVENUEOpen ↗

02/26/2010120268879 · 134 WEST 93 STREETOpen ↗

06/21/2012320485961 · 432 CLINTON STREETOpen ↗

Showing 3 of 9 on file for this type

▸BISASBESTOS: CERTIFICATION (DEP ACP5)7

08/05/2013121730555 · 77 WATER STREETOpen ↗

06/18/2012320485961 · 432 CLINTON STREETOpen ↗

12/13/2012121421470 · 1212 5 AVENUEOpen ↗

Showing 3 of 7 on file for this type

▸DOB NOWDEP ACP-5: Asbestos Assessment Report5

08/21/2026Q01086347-P1 · 50-15 39 STREETOpen ↗

08/21/2026Q01086347-P2 · 50-15 39 STREETOpen ↗

08/21/2026Q01086347-S1 · 50-15 39 STREETOpen ↗

Showing 3 of 5 on file for this type

▸BISASBESTOS EXEMPTION CERTIFICATION LETTER2

06/01/2011320311854 · 497 3RD STREETOpen ↗

01/27/2010320111623 · 433 WARREN STREETOpen ↗

▸BISDEP ASBESTOS PROJECT COMPLETION FORM1

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

Showing 0 of 1 on file for this type

▸Energy Compliance26

▸BISTECHNICAL REPORT: ENERGY CODE PROGRESS INSPS12

09/20/2019321470608 · 663 PUTNAM AVENUEOpen ↗

01/30/2018321723738 · 184 KENT AVENUEOpen ↗

Showing 3 of 12 on file for this type

▸BISTR8: Energy Code Progress Inspections6

08/09/2013121730555 · 77 WATER STREETOpen ↗

06/26/2013320336659 · 432 CLINTON STREETOpen ↗

Showing 3 of 6 on file for this type

▸BISTECHNICAL REPORT: ENERGY4

09/17/2011320271969 · 306 WASHINGTON AVENUEOpen ↗

Showing 1 of 4 on file for this type

▸BISAS-BUILT ENERGY ANALYSIS4

10/03/2019321470608 · 663 PUTNAM AVENUEOpen ↗

06/16/2016120713317 · 405 WEST 21 STREETOpen ↗

10/09/2013320271969 · 306 WASHINGTON AVENUEOpen ↗

Showing 3 of 4 on file for this type

▸Inspections & Test Reports5

▸BISSTRUCTURAL STEEL - HIGH STRENGTH BOLTING1

05/08/2023320931435 · 289 CLINTON AVENUEOpen ↗

▸BISMECHANICAL SYSTEMS1

05/08/2023320931435 · 289 CLINTON AVENUEOpen ↗

▸BISFIRE-RESISTANT PENETRATIONS AND JOINTS (FIRESTOP)1

05/08/2023320931435 · 289 CLINTON AVENUEOpen ↗

▸BISCONCRETE - CAST-IN-PLACE1

05/08/2023320931435 · 289 CLINTON AVENUEOpen ↗

▸BISSTRUCTURAL STABILITY - ALTERATIONS OF EXISTING BUILDINGS1

05/08/2023320931435 · 289 CLINTON AVENUEOpen ↗

▸Approvals, Objections & Sign-offs40

▸BISADMINISTRATIVE OBJECTIONS11

12/13/2012121421470 · 1212 5 AVENUEOpen ↗

06/18/2012320485961 · 432 CLINTON STREETOpen ↗

06/01/2011320311854 · 497 3RD STREETOpen ↗

Showing 3 of 11 on file for this type

▸BISCERTIFICATE OF OCCUPANCY/LOC: REQUEST10

05/12/2023320931435 · 289 CLINTON AVENUEOpen ↗

10/30/2019321470608 · 663 PUTNAM AVENUEOpen ↗

09/20/2019321470608 · 663 PUTNAM AVENUEOpen ↗

Showing 3 of 10 on file for this type

▸BISLANDMARKS APPROVAL7

10/09/2013320271969 · 306 WASHINGTON AVENUEOpen ↗

11/09/2009120010754 · 1246 MADISON AVENUEOpen ↗

05/28/2009120010754 · 1246 MADISON AVENUEOpen ↗

Showing 3 of 7 on file for this type

▸BISLETTERS - SUPPORTING DOCUMENTATION4

12/12/2012121013429 · 5 WEST 53 STREETOpen ↗

11/08/2012320485961 · 432 CLINTON STREETOpen ↗

Showing 2 of 4 on file for this type

▸BISSUPERSEDING LETTER3

06/28/2019321470608 · 663 PUTNAM AVENUEOpen ↗

03/08/2018321723738 · 184 KENT AVENUEOpen ↗

Showing 2 of 3 on file for this type

▸BISSCHEDULE A - OCCUPANCY - USE3

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

Showing 0 of 3 on file for this type

▸BISLANDMARKS SIGNOFF1

05/12/2023320931435 · 289 CLINTON AVENUEOpen ↗

▸BISFINAL1

05/08/2023320931435 · 289 CLINTON AVENUEOpen ↗

▸Cost, Insurance & Ownership36

▸BISCOST AFFIDAVIT34

09/20/2019321470608 · 663 PUTNAM AVENUEOpen ↗

05/15/2017121608242 · 421 HUDSON STREETOpen ↗

06/16/2016120713317 · 405 WEST 21 STREETOpen ↗

Showing 3 of 34 on file for this type

▸BISDEPT OF FINANCE VERIFICATION1

12/13/2012121421470 · 1212 5 AVENUEOpen ↗

▸BISCOST AFFIDAVIT (FINAL): PW31

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 Forms43

▸BISEFILING COVER SHEET22

08/05/2013121730555 · 77 WATER STREETOpen ↗

06/01/2011320311854 · 497 3RD STREETOpen ↗

02/26/2010120268879 · 134 WEST 93 STREETOpen ↗

Showing 3 of 22 on file for this type

▸BISADDITIONAL INFORMATION14

06/07/2018321723738 · 184 KENT AVENUEOpen ↗

03/09/2017120713317 · 405 WEST 21 STREETOpen ↗

Showing 3 of 14 on file for this type

▸BISBOROUGH INTAKE FORM3

10/30/2019321470608 · 663 PUTNAM AVENUEOpen ↗

09/20/2019321470608 · 663 PUTNAM AVENUEOpen ↗

06/06/2018120713317 · 405 WEST 21 STREETOpen ↗

▸BISHPD-3 - SRO MD ANTI-HARASSEMENT CHECKLIST2

06/07/2011320311854 · 497 3RD STREETOpen ↗

Showing 1 of 2 on file for this type

▸BISeFiling Job Application Cover Sheet2

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

Showing 0 of 2 on file for this type

▸Other Documents6

▸BISEXTERNAL FORMS - SUPPORTING DOCUMENTATION4

06/13/2012121013429 · 5 WEST 53 STREETOpen ↗

11/30/2010120299042 · 1080 MADISON AVENUEOpen ↗

Showing 2 of 4 on file for this type

▸BISCONSTRUCTION - 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

▸BISDepartment of Consumer Affairs (DCA) Form1

04/04/2014121608242 · 421 HUDSON STREETOpen ↗

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