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Design Firm
POSEN ARCHITECTS
Design
2 projects with open permitsMANHATTAN · 8STATEN ISLAND · 3QUEENS · 1
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12 buildings
15
Total Filings
12
Projects on File
12
Buildings Worked
2
Projects w/ Open Permits
Design
Role
Activity
Projects by first filing month12 projects all-time
0112May '21 · 1Jul '21 · 1Aug '21 · 1Jun '22 · 1Jul '22 · 1Aug '22 · 1Oct '22 · 1Jul '23 · 1Sep '23 · 1May '24 · 1Mar '25 · 1Mar '26 · 120222023202420252026
bars = month · line = 3-mo average
Portfolio status
Browse projects →
Open permit217%
Signed off975%
Filed only18%
By project type
Alteration11
Alteration CO1
Most active buildings
All buildings →
185 BLEECKER STREETMANHATTAN · latest 09/24/2021
1 projects
111 8 AVENUEMANHATTAN · latest 09/19/2023
1 projects
2015 MADISON AVENUEMANHATTAN · latest 03/09/2026
1 projects
1101 AMSTERDAM AVENUEMANHATTAN · latest 09/06/2024
1 projects
730 FT WASHINGTON AVENUEMANHATTAN · latest 01/20/2023
1 projects
424 10 AVENUEMANHATTAN · latest 08/18/2022
1 projects
Key relationships
Everyone →
Filing representatives
5 projects
People
All people →
William Hamiltonlatest 04/30/2024
7 filings
Kosta Koulourislatest 12/12/2025
3 filings
Filed under
POSEN ARCHITECTS15
Identified by the contact ids of the people who file for the firm and by its email domain (posen.com), not by matching names.
Most recent projects
All projects →
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
S00694744 ↗BIN 5175703
STATEN ISLAND
Alteration COPermit Issued06/07/202208/12/2026
Contractor 4TL CONSTRUCTION LLC
Filer POSEN ARCHITECTS
Interior alteration of approx. 15332 sq.ft. of the existing Seaview Administration building to construct a new non-profit institution with s…
M01333203 ↗2015 MADISON AVENUE
MANHATTAN
AlterationFiled — no permit on record03/09/2026—
Owner ARGUS COMMUNITY INC
Filer POSEN ARCHITECTS
—
S00492642 ↗280 CARROLL PLACE
STATEN ISLAND
AlterationSigned-off05/26/202110/16/2025
Owner STS. PETER AND PAUL AND ASSUMPTION
Contractor 4TL CONSTRUCTION LLC
Filer POSEN ARCHITECTS
To provide accessibility though out the building, work includes removal and construction of non-bearing partitions, provide a new elevator h…
Q01157791 ↗269 GRAND CENTRAL PKWY
QUEENS
AlterationSigned-off03/03/202506/18/2025
Contractor NEW YORKER CONTRACTORS
Combine two adjacent apartments into one., remove one kitchen, remove and construct non-bearing partitions, new finishes. Work to comply wit…
M01043748 ↗1101 AMSTERDAM AVENUE
MANHATTAN
AlterationSigned-off05/30/202409/06/2024
Contractor CAULDWELL WINGATE CO LLC
Filer OUTSOURCE CONSULTANTS, INC.
MOUNT SINAI - 5W PATIENT ROOM RENOVATION ACCORDING TO PLANS FILED HEREWITH. NO CHANGE TO USE, EGRESS OR OCCUPANCY.
M00846026 ↗1091 AMSTERDAM AVENUE
MANHATTAN
AlterationPermit Issued07/18/202303/14/2024
Contractor PAUL M MAINTENANCE INC
Filer OUTSOURCE CONSULTANTS, INC.
Mount Sinai - Morningside ADA Upgrade - Interior modifications to non load bearing partitions, ceilings, doorways, and related construction …
Counts cover all 12 projects (12 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
William Hamilton704/30/2024
Kosta Koulouris312/12/2025
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
LAKHANI & JORDAN103/13/2026
OFFICE OF ENGINEERING & CONSTRUCTIO103/13/2026
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
GTL CONSTRUCTION LLC202/26/2025
KING ROSE OF NY, INC209/05/2023
CAULDWELL WINGATE CO LLC105/30/2024
CENTRAL CONSULTING & CONT107/14/2022
CUBE BUILDERS GROUP NY107/28/2021
GRINDSTONE CONTRUCTION IN110/01/2022
NEW YORKER CONTRACTORS103/03/2025
OMUNDSEN CONSTRUCTION COR108/18/2021
PAUL M MAINTENANCE INC107/18/2023
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
720-730 FORT WASHINGTON AVE OWNERS110/01/2022
ARGUS COMMUNITY INC103/13/2026
JLL109/05/2023
STS. PETER AND PAUL AND ASSUMPTION102/26/2025
TOUCH STONE CHIROPRACTIC PC108/18/2021
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
OUTSOURCE CONSULTANTS, INC.505/30/2024
12 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 12Open permit 2Signed off 9Filed only 1
Any typeAlteration 11Alteration CO 1
12 projects
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
S00694744 ↗BIN 5175703
STATEN ISLAND
Alteration COPermit Issued06/07/202208/12/2026
Contractor 4TL CONSTRUCTION LLC
Filer POSEN ARCHITECTS
Interior alteration of approx. 15332 sq.ft. of the existing Seaview Administration building to construct a new non-profit institution with s…
M01333203 ↗2015 MADISON AVENUE
MANHATTAN
AlterationFiled — no permit on record03/09/2026—
Owner ARGUS COMMUNITY INC
Filer POSEN ARCHITECTS
—
S00492642 ↗280 CARROLL PLACE
STATEN ISLAND
AlterationSigned-off05/26/202110/16/2025
Owner STS. PETER AND PAUL AND ASSUMPTION
Contractor 4TL CONSTRUCTION LLC
Filer POSEN ARCHITECTS
To provide accessibility though out the building, work includes removal and construction of non-bearing partitions, provide a new elevator h…
Q01157791 ↗269 GRAND CENTRAL PKWY
QUEENS
AlterationSigned-off03/03/202506/18/2025
Contractor NEW YORKER CONTRACTORS
Combine two adjacent apartments into one., remove one kitchen, remove and construct non-bearing partitions, new finishes. Work to comply wit…
M01043748 ↗1101 AMSTERDAM AVENUE
MANHATTAN
AlterationSigned-off05/30/202409/06/2024
Contractor CAULDWELL WINGATE CO LLC
Filer OUTSOURCE CONSULTANTS, INC.
MOUNT SINAI - 5W PATIENT ROOM RENOVATION ACCORDING TO PLANS FILED HEREWITH. NO CHANGE TO USE, EGRESS OR OCCUPANCY.
M00846026 ↗1091 AMSTERDAM AVENUE
MANHATTAN
AlterationPermit Issued07/18/202303/14/2024
Contractor PAUL M MAINTENANCE INC
Filer OUTSOURCE CONSULTANTS, INC.
Mount Sinai - Morningside ADA Upgrade - Interior modifications to non load bearing partitions, ceilings, doorways, and related construction …
M00877054 ↗111 8 AVENUE
MANHATTAN
AlterationSigned-off09/05/202309/19/2023
Owner JLL
Contractor KING ROSE OF NY, INC
Filer OUTSOURCE CONSULTANTS, INC.
Modifications to existing spaces for handicap accessibility compliance. Work includes removal and replacement of handrails, toilet room acce…
M00783114 ↗10 UNION SQUARE EAST
MANHATTAN
AlterationSigned-off08/03/202202/24/2023
Contractor KING ROSE OF NY, INC
Filer OUTSOURCE CONSULTANTS, INC.
renovations for ADA compliance on 3rd fl Units K,L/M&P for new push button actuators at existing doors level class2(unit K, L/M) enlarged ba…
M00772107 ↗730 FT WASHINGTON AVENUE
MANHATTAN
AlterationSigned-off10/01/202201/20/2023
Owner 720-730 FORT WASHINGTON AVE OWNERS
Contractor GRINDSTONE CONTRUCTION IN
The combining of two apartments 5H and 5J into one apartment. Work includes non-bearing partition work and the the removal of one existing k…
M00771022 ↗424 10 AVENUE
MANHATTAN
AlterationSigned-off07/14/202208/18/2022
Contractor CENTRAL CONSULTING & CONT
Filer OUTSOURCE CONSULTANTS, INC.
General construction including partitions , doors and ceiling modifications as indicated on the plans filed herewith at the Winston Building…
S00569990 ↗318 SEGUINE AVENUE
STATEN ISLAND
AlterationSigned-off08/18/202112/01/2021
Owner TOUCH STONE CHIROPRACTIC PC
Contractor OMUNDSEN CONSTRUCTION COR
The removal and construction of non-bearing partitions, finishes and new bathroom in an existing medical office to bring it up to article 28…
M00561596 ↗185 BLEECKER STREET
MANHATTAN
AlterationSigned-off07/28/202109/24/2021
Contractor CUBE BUILDERS GROUP NY
interior alteration of existing restaurant of approx 1500 sq.ft. Removal and construction of finishes, flooring, non-bearing partitions, mi…
Scope of Work
Plumbing — 1 project · most recent 03/13/2026
Gas Storm Water/Sanitary
Structural — 1 project · most recent 03/13/2026
Steel Concrete
Click a row for this entity's own projects, plans and documents at that building.
BuildingFilingsMost Recent
2015 MADISON AVENUE ↗312/12/2025
280 CARROLL PLACE ↗202/24/2025
1101 AMSTERDAM AVENUE ↗104/30/2024
111 8 AVENUE ↗105/18/2023
1091 AMSTERDAM AVENUE ↗103/17/2023
10 UNION SQUARE EAST ↗107/28/2022
730 FT WASHINGTON AVENUE ↗107/09/2022
424 10 AVENUE ↗107/07/2022
BIN 5175703 ↗103/09/2022
318 SEGUINE AVENUE ↗108/03/2021
185 BLEECKER STREET ↗1—
269 GRAND CENTRAL PKWY ↗1—
▾Documents — 85 on file (BIS + DOB NOW)
▸Plans & Drawings17
▸DOB NOWPlans/Sketch17
09/03/2026M00561596-I1 · 185 BLEECKER STREETRequest digital key ↗
09/01/2026M00772107-I1 · 730 FT WASHINGTON AVENUERequest digital key ↗
08/29/2026M00877054-I1 · 111 8 AVENUERequest digital key ↗
Showing 3 of 17 on file for this type
▸Applications & Permits2
▸DOB NOWLPC Approval/Permit2
08/13/2026S00694744-I1Open ↗
08/13/2026M00561596-I1 · 185 BLEECKER STREETOpen ↗
▸Zoning, Tax Lot & Property Records1
▸DOB NOWHouse Number Verification: TOPO Stamp1
08/13/2026S00694744-I1Open ↗
▸Seals & Professional Certifications37
▸DOB NOWDPL-1: Design Professional Seal & Signature17
09/03/2026M00561596-I1 · 185 BLEECKER STREETOpen ↗
09/01/2026M00772107-I1 · 730 FT WASHINGTON AVENUEOpen ↗
08/29/2026M00877054-I1 · 111 8 AVENUEOpen ↗
Showing 3 of 17 on file for this type
▸DOB NOWProgress Inspector Seal & Signature12
09/04/2026M00783114-I1 · 10 UNION SQUARE EASTOpen ↗
08/31/2026S00569990-I1 · 318 SEGUINE AVENUEOpen ↗
08/29/2026M00877054-I1 · 111 8 AVENUEOpen ↗
Showing 3 of 12 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature8
09/04/2026M00783114-I1 · 10 UNION SQUARE EASTOpen ↗
09/01/2026S00694744-I1Open ↗
08/31/2026S00569990-I1 · 318 SEGUINE AVENUEOpen ↗
Showing 3 of 8 on file for this type
▸Safety & Tenant Protection1
▸DOB NOWStreet Tree Checklist1
08/13/2026S00694744-I1Open ↗
▸Environmental & Asbestos10
▸DOB NOWDEP ACP-5: Asbestos Assessment Report9
09/03/2026M00561596-I1 · 185 BLEECKER STREETOpen ↗
09/01/2026M00772107-I1 · 730 FT WASHINGTON AVENUEOpen ↗
08/29/2026M00877054-I1 · 111 8 AVENUEOpen ↗
Showing 3 of 9 on file for this type
▸DOB NOWDEP ACP-20/ACP-21: Asbestos Project Conditional Completion Form/Asbestos Project Completion Form1
08/13/2026S00492642-I1 · 280 CARROLL PLACEOpen ↗
▸Energy Compliance1
▸DOB NOWEN2: As Built Energy Analysis.1
08/13/2026M00561596-I1 · 185 BLEECKER STREETOpen ↗
▸Approvals, Objections & Sign-offs12
▸DOB NOWFee Exempt Supporting Document - DOF ACRIS report or BIB letter12
08/13/2026M01333203-S2 · 2015 MADISON AVENUEOpen ↗
08/13/2026M01333203-S4 · 2015 MADISON AVENUEOpen ↗
08/13/2026M01043748-I1 · 1101 AMSTERDAM AVENUEOpen ↗
Showing 3 of 12 on file for this type
▸Other Documents4
▸DOB NOWLocal Law 92/94 of 2019 Sustainable Roof Zone2
08/18/2026M01333203-I1 · 2015 MADISON AVENUEOpen ↗
Showing 1 of 2 on file for this type
▸DOB NOWDHCR Document1
08/13/2026M00561596-I1 · 185 BLEECKER STREETOpen ↗
▸DOB NOWProof of Historic Building1
08/13/2026S00694744-I1Open ↗