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ZMK LLC
General Contractor
5 projects with open permitsBROOKLYN · 11MANHATTAN · 2
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5 buildings
35
Total Filings
13
Projects on File
5
Buildings Worked
5
Projects w/ Open Permits
General Contractor
Primary Trade
Activity
Projects by first filing month13 projects all-time
0123Oct '22 · 1Jan '23 · 1Jun '23 · 1Jul '23 · 1Oct '23 · 1Feb '24 · 1May '24 · 1Oct '24 · 1Jan '25 · 1Jun '25 · 1Aug '25 · 1Oct '25 · 2202320242025
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Open permit538%
Signed off862%
By project type
Alteration11
Alteration CO2
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24 MIDDAGH STREETBROOKLYN · 1 open · latest 02/27/2025
5 projects
341 WAVERLY AVENUEBROOKLYN · 4 open · latest 09/11/2026
4 projects
2 PRINCE STREETMANHATTAN · latest 10/28/2024
2 projects
10 COLUMBIA PLACEBROOKLYN · latest 01/28/2025
1 projects
771 GRAND STREETBROOKLYN · latest 10/11/2023
1 projects
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2 projects
Most recent projects
All projects →
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
B01247156 ↗341 WAVERLY AVENUE
BROOKLYN
AlterationPermit Issued06/30/202509/11/2026
Design READ ARCHITECTURE DESIGN DPC
Filer J. CALLAHAN CONSULTING, INC.
interior renovation and minor exterior work of existing 2 family townhouse. Architectural / construction work only
B01260914 ↗341 WAVERLY AVENUE
BROOKLYN
Alteration COPermit Issued08/07/202509/11/2026
Design READ ARCHITECTURE DESIGN DPC
Filer J. CALLAHAN CONSULTING, INC.
Renovation and enlargement of existing 2 family's house. new C of O to be obtained to change to reconfigure units location.
B01270460 ↗341 WAVERLY AVENUE
BROOKLYN
AlterationPermit Issued10/31/202506/24/2026—In conjunction with renovation of existing 2 family house. mechanical work only.
B01295754 ↗341 WAVERLY AVENUE
BROOKLYN
AlterationPermit Issued10/29/202506/15/2026
Design TITAN ENGINEERS PC
Filer J. CALLAHAN CONSULTING, INC.
Foundation and structural work for existing 2 family house
B00801885 ↗24 MIDDAGH STREET
BROOKLYN
Alteration COPermit Issued01/10/202302/27/2025
Design READ ARCHITECTURE DESIGN DPC
Filer J. CALLAHAN CONSULTING, INC.
Filed for interior renovations at Cel, 1st thru 3rd flr & enlarg. of 1st flr. Conversion 3 family to 1. Change of egress (length of travel d…
B01168235 ↗10 COLUMBIA PLACE
BROOKLYN
AlterationSigned-off01/22/202501/28/2025
Design READ ARCHITECTURE DESIGN DPC
Owner 'FC FOLEY SQUARE ASSOC. LLC'
Minor interior renovation as per plans submitted. No change of use, egress or occupancy.
Counts cover all 13 projects (13 DOB NOW). 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.
NameProjects togetherMost recent
READ ARCHITECTURE DESIGN DPC906/30/2026
FIRMITAS ENGR'G & STRC'T DSG'N PLLC107/10/2023
HAMANN ENGINEERING, PLLC110/10/2022
KEVIN GALLEN PE LLC106/27/2025
TITAN ENGINEERS PC110/29/2025
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
BIG ORANGE SAFETY FIRST209/11/2023
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
'FC FOLEY SQUARE ASSOC. LLC'103/12/2025
TOMATOCAN INC110/10/2022
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
J. CALLAHAN CONSULTING, INC.806/30/2026
BIG ORANGE EXPEDITING, INC110/10/2022
READ ARCHITECTURE DESIGN DPC106/27/2025
13 DOB NOW 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 13Open permit 5Signed off 8
Any typeAlteration 11Alteration CO 2
13 projects
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
B01247156 ↗341 WAVERLY AVENUE
BROOKLYN
AlterationPermit Issued06/30/202509/11/2026
Design READ ARCHITECTURE DESIGN DPC
Filer J. CALLAHAN CONSULTING, INC.
interior renovation and minor exterior work of existing 2 family townhouse. Architectural / construction work only
B01260914 ↗341 WAVERLY AVENUE
BROOKLYN
Alteration COPermit Issued08/07/202509/11/2026
Design READ ARCHITECTURE DESIGN DPC
Filer J. CALLAHAN CONSULTING, INC.
Renovation and enlargement of existing 2 family's house. new C of O to be obtained to change to reconfigure units location.
B01270460 ↗341 WAVERLY AVENUE
BROOKLYN
AlterationPermit Issued10/31/202506/24/2026—In conjunction with renovation of existing 2 family house. mechanical work only.
B01295754 ↗341 WAVERLY AVENUE
BROOKLYN
AlterationPermit Issued10/29/202506/15/2026
Design TITAN ENGINEERS PC
Filer J. CALLAHAN CONSULTING, INC.
Foundation and structural work for existing 2 family house
B00801885 ↗24 MIDDAGH STREET
BROOKLYN
Alteration COPermit Issued01/10/202302/27/2025
Design READ ARCHITECTURE DESIGN DPC
Filer J. CALLAHAN CONSULTING, INC.
Filed for interior renovations at Cel, 1st thru 3rd flr & enlarg. of 1st flr. Conversion 3 family to 1. Change of egress (length of travel d…
B01168235 ↗10 COLUMBIA PLACE
BROOKLYN
AlterationSigned-off01/22/202501/28/2025
Design READ ARCHITECTURE DESIGN DPC
Owner 'FC FOLEY SQUARE ASSOC. LLC'
Minor interior renovation as per plans submitted. No change of use, egress or occupancy.
M01094600 ↗2 PRINCE STREET
MANHATTAN
AlterationSigned-off10/16/202410/28/2024
Design READ ARCHITECTURE DESIGN DPC
install fence for 1st floor for commercial space only.
M01018698 ↗2 PRINCE STREET
MANHATTAN
AlterationSigned-off05/01/202410/21/2024
Design READ ARCHITECTURE DESIGN DPC
Filer J. CALLAHAN CONSULTING, INC.
Interior and minor exterior work on existing commercial space combine to one. Architectural/ construction work only. .
B00805003 ↗24 MIDDAGH STREET
BROOKLYN
AlterationSigned-off07/10/202309/13/2024
Design FIRMITAS ENGR'G & STRC'T DSG'N PLLC
Filer J. CALLAHAN CONSULTING, INC.
This Alteration application is being filed fir the structural work at the subject premises as per plans filed herewith. There are no change …
B00875762 ↗24 MIDDAGH STREET
BROOKLYN
AlterationSigned-off06/29/202309/13/2024
Design READ ARCHITECTURE DESIGN DPC
Filer J. CALLAHAN CONSULTING, INC.
Alteration is being filed for the interior and exterior work at the subject premises. There are no change in use, egress or occupancy.
B00889430 ↗24 MIDDAGH STREET
BROOKLYN
AlterationSigned-off10/03/202309/13/2024
Design READ ARCHITECTURE DESIGN DPC
Filer J. CALLAHAN CONSULTING, INC.
This Alteration application is being filed for the mechanical work at the subject premises. There are no change in use, egress or occupancy
B01001306 ↗24 MIDDAGH STREET
BROOKLYN
AlterationSigned-off02/08/202409/13/2024
Design READ ARCHITECTURE DESIGN DPC
This Alteration application is being filed for the construction fence in conjunction with Alt CO application #B00801885-I1. There are no cha…
B00785550 ↗771 GRAND STREET
BROOKLYN
AlterationSigned-off10/10/202210/11/2023
Design HAMANN ENGINEERING, PLLC
Owner TOMATOCAN INC
Filer BIG ORANGE EXPEDITING, INC
Construction of new steel stairs from cellar to the 1st floor for commercial space. No change in use, egress and occupancy.
Click a row for this entity's own projects, plans and documents at that building.
BuildingFilingsMost Recent
341 WAVERLY AVENUE ↗809/13/2026
24 MIDDAGH STREET ↗2107/08/2026
10 COLUMBIA PLACE ↗107/08/2026
2 PRINCE STREET ↗207/08/2026
771 GRAND STREET ↗303/21/2026
▾Documents — 200 on file (BIS + DOB NOW)
▸Plans & Drawings22
▸DOB NOWPlans/Sketch22
08/28/2026B00785550-I1 · 771 GRAND STREETRequest digital key ↗
08/27/2026B00875762-I1 · 24 MIDDAGH STREETRequest digital key ↗
08/27/2026B00875762-P1 · 24 MIDDAGH STREETRequest digital key ↗
Showing 3 of 22 on file for this type
▸Applications & Permits17
▸DOB NOWLPC Approval/Permit17
08/27/2026B00875762-I1 · 24 MIDDAGH STREETOpen ↗
08/25/2026B00889430-P1 · 24 MIDDAGH STREETOpen ↗
08/13/2026B01247156-I1 · 341 WAVERLY AVENUEOpen ↗
Showing 3 of 17 on file for this type
▸Zoning, Tax Lot & Property Records13
▸DOB NOWZD1: DOB Zoning Diagram8
08/21/2026B01260914-I1 · 341 WAVERLY AVENUEOpen ↗
Showing 1 of 8 on file for this type
▸DOB NOWZoning Exhibit form (1-5)3
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 3 on file for this type
▸DOB NOWHouse Number Verification: TOPO Stamp2
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 2 on file for this type
▸Seals & Professional Certifications81
▸DOB NOWProgress Inspector Seal & Signature49
09/01/2026B00889430-P3 · 24 MIDDAGH STREETOpen ↗
09/01/2026B00805003-I1 · 24 MIDDAGH STREETOpen ↗
08/31/2026B00801885-P3 · 24 MIDDAGH STREETOpen ↗
Showing 3 of 49 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature21
08/27/2026B00875762-I1 · 24 MIDDAGH STREETOpen ↗
08/26/2026M01094600-I1 · 2 PRINCE STREETOpen ↗
08/25/2026B00889430-P3 · 24 MIDDAGH STREETOpen ↗
Showing 3 of 21 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature11
09/01/2026B00889430-P3 · 24 MIDDAGH STREETOpen ↗
09/01/2026B00805003-I1 · 24 MIDDAGH STREETOpen ↗
09/01/2026B00805003-I1 · 24 MIDDAGH STREETOpen ↗
Showing 3 of 11 on file for this type
▸Trade Schedules & Equipment4
▸DOB NOWDEP: Sewer Certification (Sanitary/Storm)4
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 4 on file for this type
▸Safety & Tenant Protection9
▸DOB NOWStreet Tree Checklist6
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 6 on file for this type
▸DOB NOWParks Department Acknowledgment Letter for Street Trees Plan1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸DOB NOWStreet Trees Site Plan1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸DOB NOWStreet Tree Sign Off1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸Environmental & Asbestos11
▸DOB NOWDEP ACP-5: Asbestos Assessment Report6
08/27/2026B00875762-I1 · 24 MIDDAGH STREETOpen ↗
08/20/2026B01247156-I1 · 341 WAVERLY AVENUEOpen ↗
08/20/2026B01247156-P1 · 341 WAVERLY AVENUEOpen ↗
Showing 3 of 6 on file for this type
▸DOB NOWDEP ACP-20/ACP-21: Asbestos Project Conditional Completion Form/Asbestos Project Completion Form5
08/25/2026B00889430-I1 · 24 MIDDAGH STREETOpen ↗
08/20/2026B01295754-I1 · 341 WAVERLY AVENUEOpen ↗
08/20/2026B01270460-I1 · 341 WAVERLY AVENUEOpen ↗
Showing 3 of 5 on file for this type
▸Inspections & Test Reports4
▸DOB NOWGeotechnical Report (BC 1803.6)2
08/20/2026B01295754-I1 · 341 WAVERLY AVENUEOpen ↗
08/13/2026B01295754-I1 · 341 WAVERLY AVENUEOpen ↗
▸DOB NOWSOIL REPORT1
08/20/2026B01295754-I1 · 341 WAVERLY AVENUEOpen ↗
▸DOB NOWTR4 Test Report and Plot Diagram1
08/20/2026B01295754-I1 · 341 WAVERLY AVENUEOpen ↗
▸Approvals, Objections & Sign-offs2
▸DOB NOWLandmark Approval2
08/13/2026B01168235-P1 · 10 COLUMBIA PLACEOpen ↗
08/13/2026B01168235-I1 · 10 COLUMBIA PLACEOpen ↗
▸Other Documents37
▸DOB NOWProof of Historic Building12
08/27/2026B00875762-I1 · 24 MIDDAGH STREETOpen ↗
08/25/2026B00889430-P1 · 24 MIDDAGH STREETOpen ↗
08/13/2026B01295754-I1 · 341 WAVERLY AVENUEOpen ↗
Showing 3 of 12 on file for this type
▸DOB NOWPlot Diagram6
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 6 on file for this type
▸DOB NOWSite Survey: Initial6
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 6 on file for this type
▸DOB NOWLocal Law 92/94 of 2019 Sustainable Roof Zone6
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 6 on file for this type
▸DOB NOWProperty Ownership Certification6
08/21/2026B01260914-I1 · 341 WAVERLY AVENUEOpen ↗
Showing 1 of 6 on file for this type
▸DOB NOWFinal Survey1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type