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Design Firm
LINDEN GROUP INC. P.C.
Design
1 project with open permitsBROOKLYN · 1
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1 of 2 buildings mapped
4
Total Filings
2
Projects on File
2
Buildings Worked
1
Projects w/ Open Permits
Design
Role
Activity
Projects by first filing month2 projects all-time
0112Mar '24 · 1Jun '25 · 1Mar '24May '24Jul '24Sep '24Nov '24Jan '25Mar '25May '25Jun '25
bars = month · line = 3-mo average
Portfolio status
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Open permit150%
Signed off150%
By project type
Alteration2
Most active buildings
All buildings →
38 SIXTH AVENUEBROOKLYN · latest 08/18/2025
1 projects
16 DUPONT STREET1 open · latest 09/03/2025
1 projects
Key relationships
Everyone →
Design firms
2 projects
Filing representatives
1 projects
1 projects
People
All people →
MICHAEL MATTHYSlatest 05/29/2025
1 filings
Filed under
LINDEN GROUP INC. P.C.4
Identified by the contact ids of the people who file for the firm and by its email domain (lindengroupinc.com), not by matching names.
Most recent projects
All projects →
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
B01233657 ↗16 DUPONT STREETAlterationPermit Issued06/26/202509/03/2025
Owner GREENPOINT LANDING LOT 6 LLC
Contractor CLUNE CONSTRUCTION CO LP
Filer WILLIAM VITACCO ASSOCIATES
Plumbing work in conjunction with commercial tenant fitout.
B01011219 ↗38 SIXTH AVENUE
BROOKLYN
AlterationSigned-off03/07/202408/18/2025
Owner AVANATH B3 LLC
Contractor CLUNE CONSTRUCTION CO LP
Filer OUTSOURCE CONSULTANTS, INC.
Plumbing modifications to tenant space on 1st floor as per shown on plans filed herewith. No change in egress, occupancy, or use.
Counts cover all 2 projects (2 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
MICHAEL MATTHYS105/29/2025
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
WRIGHT ENGINEERING208/04/2025
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
CLUNE CONSTRUCTION CO LP208/04/2025
A&A PLUMBING CORP108/04/2025
COMMERICAL PLBG SVCES LLC105/28/2025
MAC FELDER INC105/28/2025
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
AVANATH B3 LLC105/28/2025
GREENPOINT LANDING LOT 6 LLC108/04/2025
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
OUTSOURCE CONSULTANTS, INC.105/28/2025
WILLIAM VITACCO ASSOCIATES108/04/2025
2 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 2Open permit 1Signed off 1
2 projects
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
B01233657 ↗16 DUPONT STREETAlterationPermit Issued06/26/202509/03/2025
Owner GREENPOINT LANDING LOT 6 LLC
Contractor CLUNE CONSTRUCTION CO LP
Filer WILLIAM VITACCO ASSOCIATES
Plumbing work in conjunction with commercial tenant fitout.
B01011219 ↗38 SIXTH AVENUE
BROOKLYN
AlterationSigned-off03/07/202408/18/2025
Owner AVANATH B3 LLC
Contractor CLUNE CONSTRUCTION CO LP
Filer OUTSOURCE CONSULTANTS, INC.
Plumbing modifications to tenant space on 1st floor as per shown on plans filed herewith. No change in egress, occupancy, or use.
Scope of Work
HVAC — 1 project · most recent 08/04/2025
Heating and Air Conditioning Systems Ventilation Systems
Plumbing — 2 projects · most recent 08/04/2025
Medical Gas Water/Sanitary
Earthwork — 1 project · most recent 08/04/2025
Tenant Protection Plan 72 Hour
Click a row for this entity's own projects, plans and documents at that building.
BuildingFilingsMost Recent
16 DUPONT STREET ↗105/29/2025
38 SIXTH AVENUE ↗3—
▾Documents — 37 on file (BIS + DOB NOW)
▸Plans & Drawings7
▸DOB NOWPlans/Sketch7
08/25/2026B01011219-P1 · 38 SIXTH AVENUERequest digital key ↗
08/25/2026B01011219-I1 · 38 SIXTH AVENUERequest digital key ↗
08/25/2026B01011219-S2 · 38 SIXTH AVENUERequest digital key ↗
Showing 3 of 7 on file for this type
▸Seals & Professional Certifications18
▸DOB NOWDPL-1: Design Professional Seal & Signature7
08/25/2026B01011219-S3 · 38 SIXTH AVENUEOpen ↗
08/13/2026B01011219-I1 · 38 SIXTH AVENUEOpen ↗
08/13/2026B01011219-P1 · 38 SIXTH AVENUEOpen ↗
Showing 3 of 7 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature7
09/23/2026B01233657-S1 · 16 DUPONT STREETOpen ↗
09/01/2026B01233657-I1 · 16 DUPONT STREETOpen ↗
08/29/2026B01233657-S2 · 16 DUPONT STREETOpen ↗
Showing 3 of 7 on file for this type
▸DOB NOWProgress Inspector Seal & Signature4
09/23/2026B01233657-S1 · 16 DUPONT STREETOpen ↗
09/01/2026B01233657-I1 · 16 DUPONT STREETOpen ↗
08/28/2026B01011219-I1 · 38 SIXTH AVENUEOpen ↗
Showing 3 of 4 on file for this type
▸Environmental & Asbestos12
▸DOB NOWOER: Notice of Satisfaction6
08/21/2026B01233657-I1 · 16 DUPONT STREETOpen ↗
08/21/2026B01233657-S2 · 16 DUPONT STREETOpen ↗
08/21/2026B01233657-S1 · 16 DUPONT STREETOpen ↗
Showing 3 of 6 on file for this type
▸DOB NOWOER: Notice to Proceed6
08/21/2026B01233657-I1 · 16 DUPONT STREETOpen ↗
08/21/2026B01233657-S2 · 16 DUPONT STREETOpen ↗
08/21/2026B01233657-S1 · 16 DUPONT STREETOpen ↗
Showing 3 of 6 on file for this type