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Filing Representative Firm
LAKH CORP
Expediter
8 projects with open permitsBROOKLYN · 19
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5 buildings
36
Total Filings
19
Projects on File
5
Buildings Worked
8
Projects w/ Open Permits
Expediter
Role
Activity
Projects by first filing month17 projects all-time
0123May '21 · 1Jun '21 · 1Sep '21 · 1Dec '21 · 2Mar '22 · 1Sep '22 · 1Oct '22 · 1Nov '22 · 1Mar '23 · 1Apr '23 · 1Jun '24 · 1Apr '25 · 2Jul '25 · 1Sep '25 · 1Jan '26 · 120222023202420252026
bars = month · line = 3-mo average
Portfolio status
Browse projects →
Open permit842%
Signed off526%
Filed only632%
By project type
Alteration16
New Building3
Most active buildings
All buildings →
2956 BRIGHTON 4 STREETBROOKLYN · 3 open · latest 09/25/2026
6 projects
537 BROOKLYN AVENUEBROOKLYN · 1 open · latest 02/02/2026
5 projects
2921 BRIGHTON 4 STREETBROOKLYN · 3 open · latest 09/14/2026
5 projects
8712 BAY PARKWAYBROOKLYN · latest 01/09/2026
2 projects
2948 BRIGHTON 4 STREETBROOKLYN · 1 open · latest 03/04/2026
1 projects
Key relationships
Everyone →
Contractors
10 projects
4 projects
1 projects
1 projects
People
All people →
OLEG SEMUCOVlatest 08/04/2026
36 filings
Most recent projects
All projects →
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
B00855444 ↗2956 BRIGHTON 4 STREET
BROOKLYN
AlterationPermit Issued04/06/202309/25/2026
Design CONCORD CONSULTING ENGINEERING PC
Owner 2952 BRIGHTON 3RD STREET, LLC
Contractor MEGA PLBG CORP
PLUMBING IN CONJUNCTION WITH NB APPLICATION #320909371
B01059134 ↗2921 BRIGHTON 4 STREET
BROOKLYN
AlterationPermit Issued06/13/202409/14/2026
Design LEONID KRUPNIK, P.E.
Owner 2921 BRIGHTON 4 LLC
Contractor LKC GROUP
SOE in conjunction with FO-B01059134
B08042136 ↗2921 BRIGHTON 4 STREET
BROOKLYN
New BuildingPermit Issued11/18/202208/27/2026
Design KINDO HOLDINGS, LLC
Owner 2921 BRIGHTON 4 LLC
Contractor LKC GROUP
Structure Filing in conjunction with NB #B08042136
B00846614 ↗2956 BRIGHTON 4 STREET
BROOKLYN
AlterationPermit Issued03/21/202307/30/2026
Design CONCORD CONSULTING ENGINEERING PC
Owner 2952 BRIGHTON 3RD STREET, LLC
Contractor REAL PLUMBING CORP
Installation of the temporary standpipe in conjunction with NB #320909371
B08006843 ↗2921 BRIGHTON 4 STREET
BROOKLYN
AlterationPermit Issued09/20/202205/13/2026
Design KINDO HOLDINGS, LLC
Owner 2921 BRIGHTON 4 LLC
Contractor LKC GROUP
Installation of the construction fence
B00691706 ↗2948 BRIGHTON 4 STREET
BROOKLYN
New BuildingPermit Issued03/16/202203/04/2026
Design KINDO HOLDINGS, LLC
Owner BRIGHTON 4TH CONDO LLC
Contractor LKC GROUP
the Sprinkler system in conjunction with NB#B00691706
Counts cover all 19 projects (19 DOB NOW). Dated by first filing; BIS projects by first permit issuance.
Every person filing for this firm, identified by their DOB NOW contact id (one id is one person). A person is listed under the firm they file for most.
PersonFilingsMost recent
OLEG SEMUCOV3608/04/2026
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
KINDO HOLDINGS, LLC808/19/2026
LEONID KRUPNIK, P.E.805/05/2026
CONCORD CONSULTING ENGINEERING PC505/05/2026
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
LKC GROUP1008/19/2026
MEGA PLBG CORP408/19/2026
MERCON PLUMBING CORP104/06/2023
P.H. WORKS INC101/14/2026
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
2952 BRIGHTON 3RD STREET, LLC604/06/2023
2921 BRIGHTON 4 LLC508/19/2026
537 BROOKLYN AVENUE LLC501/14/2026
8712 Bay Parkway LLC205/05/2026
BRIGHTON 4TH CONDO LLC108/05/2026
19 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 19Open permit 8Signed off 5Filed only 6
Any typeAlteration 16New Building 3
19 projects
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
B00855444 ↗2956 BRIGHTON 4 STREET
BROOKLYN
AlterationPermit Issued04/06/202309/25/2026
Design CONCORD CONSULTING ENGINEERING PC
Owner 2952 BRIGHTON 3RD STREET, LLC
Contractor MEGA PLBG CORP
PLUMBING IN CONJUNCTION WITH NB APPLICATION #320909371
B01059134 ↗2921 BRIGHTON 4 STREET
BROOKLYN
AlterationPermit Issued06/13/202409/14/2026
Design LEONID KRUPNIK, P.E.
Owner 2921 BRIGHTON 4 LLC
Contractor LKC GROUP
SOE in conjunction with FO-B01059134
B08042136 ↗2921 BRIGHTON 4 STREET
BROOKLYN
New BuildingPermit Issued11/18/202208/27/2026
Design KINDO HOLDINGS, LLC
Owner 2921 BRIGHTON 4 LLC
Contractor LKC GROUP
Structure Filing in conjunction with NB #B08042136
B00846614 ↗2956 BRIGHTON 4 STREET
BROOKLYN
AlterationPermit Issued03/21/202307/30/2026
Design CONCORD CONSULTING ENGINEERING PC
Owner 2952 BRIGHTON 3RD STREET, LLC
Contractor REAL PLUMBING CORP
Installation of the temporary standpipe in conjunction with NB #320909371
B08006843 ↗2921 BRIGHTON 4 STREET
BROOKLYN
AlterationPermit Issued09/20/202205/13/2026
Design KINDO HOLDINGS, LLC
Owner 2921 BRIGHTON 4 LLC
Contractor LKC GROUP
Installation of the construction fence
B00691706 ↗2948 BRIGHTON 4 STREET
BROOKLYN
New BuildingPermit Issued03/16/202203/04/2026
Design KINDO HOLDINGS, LLC
Owner BRIGHTON 4TH CONDO LLC
Contractor LKC GROUP
the Sprinkler system in conjunction with NB#B00691706
B00636990 ↗537 BROOKLYN AVENUE
BROOKLYN
AlterationSigned-off12/10/202102/02/2026
Design LEONID KRUPNIK, P.E.
Owner 537 BROOKLYN AVENUE LLC
Contractor LKC GROUP
Structural filing in conjunction with NB-321595216 PROPOSED NEW MIXED USE BUILDING WITH 15 DWELLING UNITS AND A COMMUNITY FACILITY
B00425267 ↗537 BROOKLYN AVENUE
BROOKLYN
AlterationSigned-off05/18/202101/30/2026
Design KINDO HOLDINGS, LLC
Owner 537 BROOKLYN AVENUE LLC
Contractor P.H. WORKS INC
PROPOSED PLUMBING WORK IN CONJUNCTION WITH NB #321588643
B01343964 ↗8712 BAY PARKWAY
BROOKLYN
AlterationFiled — no permit on record01/09/2026—
Design LEONID KRUPNIK, P.E.
Owner 8712 Bay Parkway LLC
—
B01289923 ↗537 BROOKLYN AVENUE
BROOKLYN
AlterationPermit Issued09/19/202512/05/2025
Design KINDO HOLDINGS, LLC
Owner 537 BROOKLYN AVENUE LLC
Contractor LKC GROUP
proposed New curb cut and driveway in conjunction with NB#321595216
B01207561 ↗2921 BRIGHTON 4 STREET
BROOKLYN
AlterationSigned-off04/09/202509/12/2025
Design LEONID KRUPNIK, P.E.
Owner 2921 BRIGHTON 4 LLC
Contractor LKC GROUP
Install supported scaffolding as an engineered enclosure system to meet NYC BC requirements for roof and overhead protection. Ensure stabili…
B01220888 ↗8712 BAY PARKWAY
BROOKLYN
New BuildingFiled — no permit on record07/10/2025—
Design CONCORD CONSULTING ENGINEERING PC
Owner 8712 Bay Parkway LLC
—
B08022194 ↗2956 BRIGHTON 4 STREET
BROOKLYN
AlterationPermit Issued10/18/202204/24/2025
Design KINDO HOLDINGS, LLC
Owner 2952 BRIGHTON 3RD STREET, LLC
Contractor LKC GROUP
INSTALLATION OF THE CONSTRUCTION FENCE IN CONJUNCTION WITH NB#320909371
B01214939 ↗2921 BRIGHTON 4 STREET
BROOKLYN
AlterationFiled — no permit on record04/23/2025—
Design LEONID KRUPNIK, P.E.
Owner 2921 BRIGHTON 4 LLC
—
B00653446 ↗537 BROOKLYN AVENUE
BROOKLYN
AlterationSigned-off12/28/202101/15/2025
Design KINDO HOLDINGS, LLC
Owner 537 BROOKLYN AVENUE LLC
Contractor LKC GROUP
INSTALLATION OF THE CONSTRUCTION FENCE IN CONJUNCTION WITH NB #321595216
B00528697 ↗537 BROOKLYN AVENUE
BROOKLYN
AlterationSigned-off06/24/202107/07/2022
Design LEONID KRUPNIK, P.E.
Owner 537 BROOKLYN AVENUE LLC
Contractor LKC GROUP
Excavation and foundation
B00594641 ↗2956 BRIGHTON 4 STREET
BROOKLYN
AlterationFiled — no permit on record09/17/2021—
Design LEONID KRUPNIK, P.E.
Owner 2952 BRIGHTON 3RD STREET, LLC
—
B00855226 ↗2956 BRIGHTON 4 STREET
BROOKLYN
AlterationFiled — no permit on record——
Design CONCORD CONSULTING ENGINEERING PC
Owner 2952 BRIGHTON 3RD STREET, LLC
—
B00855343 ↗2956 BRIGHTON 4 STREET
BROOKLYN
AlterationFiled — no permit on record——
Design CONCORD CONSULTING ENGINEERING PC
Owner 2952 BRIGHTON 3RD STREET, LLC
—
Click a row for this entity's own projects, plans and documents at that building.
BuildingFilingsMost Recent
2948 BRIGHTON 4 STREET ↗408/04/2026
8712 BAY PARKWAY ↗605/03/2026
2921 BRIGHTON 4 STREET ↗1004/01/2026
537 BROOKLYN AVENUE ↗1001/13/2026
2956 BRIGHTON 4 STREET ↗604/05/2023
▾Documents — 187 on file (BIS + DOB NOW)
▸Plans & Drawings57
▸DOB NOWPlans/Sketch51
09/03/2026B00855343-I1 · 2956 BRIGHTON 4 STREETRequest digital key ↗
09/03/2026B00855226-I1 · 2956 BRIGHTON 4 STREETRequest digital key ↗
08/31/2026B00636990-I1 · 537 BROOKLYN AVENUERequest digital key ↗
Showing 3 of 51 on file for this type
▸DOB NOWPlans/Sketch - Plumbing5
08/19/2026B00425267-P1 · 537 BROOKLYN AVENUERequest digital key ↗
08/19/2026B00425267-P2 · 537 BROOKLYN AVENUERequest digital key ↗
08/19/2026B00425267-I1 · 537 BROOKLYN AVENUERequest digital key ↗
Showing 3 of 5 on file for this type
▸DOB NOWSUBMITTED PlansSketch1
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 Records13
▸DOB NOWZoning Exhibit form (1-5)6
09/01/2026B00691706-I1 · 2948 BRIGHTON 4 STREETOpen ↗
Showing 1 of 6 on file for this type
▸DOB NOWZD1: DOB Zoning Diagram5
08/13/2026B01220888-I1 · 8712 BAY PARKWAYOpen ↗
Showing 1 of 5 on file for this type
▸DOB NOWZD1 DOB Zoning Diagram2
09/01/2026B00691706-I1 · 2948 BRIGHTON 4 STREETOpen ↗
Showing 1 of 2 on file for this type
▸Seals & Professional Certifications84
▸DOB NOWDPL-1: Design Professional Seal & Signature46
09/01/2026B00594641-I1 · 2956 BRIGHTON 4 STREETOpen ↗
08/31/2026B00636990-P1 · 537 BROOKLYN AVENUEOpen ↗
08/31/2026B00636990-P2 · 537 BROOKLYN AVENUEOpen ↗
Showing 3 of 46 on file for this type
▸DOB NOWProgress Inspector Seal & Signature25
09/30/2026B08042136-S2 · 2921 BRIGHTON 4 STREETOpen ↗
09/30/2026B08042136-S2 · 2921 BRIGHTON 4 STREETOpen ↗
09/29/2026B00691706-P3 · 2948 BRIGHTON 4 STREETOpen ↗
Showing 3 of 25 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature13
09/30/2026B08042136-S2 · 2921 BRIGHTON 4 STREETOpen ↗
09/15/2026B00691706-I1 · 2948 BRIGHTON 4 STREETOpen ↗
09/15/2026B00691706-I1 · 2948 BRIGHTON 4 STREETOpen ↗
Showing 3 of 13 on file for this type
▸Trade Schedules & Equipment3
▸DOB NOWDEP: Sewer Certification (Sanitary/Storm)3
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 3 on file for this type
▸Safety & Tenant Protection7
▸DOB NOWStreet Tree Checklist5
08/13/2026B01220888-I1 · 8712 BAY PARKWAYOpen ↗
Showing 1 of 5 on file for this type
▸DOB NOWParks Department Acknowledgment Letter for Street Trees Plan2
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 2 on file for this type
▸Energy Compliance1
▸DOB NOWPreliminary Commissioning Report Certification1
08/17/2026B01220888-S1 · 8712 BAY PARKWAYOpen ↗
▸Inspections & Test Reports3
▸DOB NOWSOIL REPORT2
08/19/2026B01343964-I1 · 8712 BAY PARKWAYOpen ↗
Showing 1 of 2 on file for this type
▸DOB NOWTR4 Test Report and Plot Diagram1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸Other Documents19
▸DOB NOWSite Survey: Initial6
08/13/2026B01220888-I1 · 8712 BAY PARKWAYOpen ↗
Showing 1 of 6 on file for this type
▸DOB NOWLocal Law 92/94 of 2019 Sustainable Roof Zone6
09/01/2026B00691706-I1 · 2948 BRIGHTON 4 STREETOpen ↗
Showing 1 of 6 on file for this type
▸DOB NOWProperty Ownership 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 NOWAdjoining Owners Notification3
08/30/2026B00528697-I1 · 537 BROOKLYN AVENUEOpen ↗
08/13/2026B01059134-S1 · 2921 BRIGHTON 4 STREETOpen ↗
08/13/2026B01059134-I1 · 2921 BRIGHTON 4 STREETOpen ↗