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Design Firm
SEAN OBRIEN ARCHITECTURE
Design
7 projects with open permitsMANHATTAN · 16BROOKLYN · 9
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9 of 10 buildings mapped
31
Total Filings
25
Projects on File
9
Buildings Worked
7
Projects w/ Open Permits
Design
Role
Activity
Projects by first filing month25 projects all-time
0235May '19 · 2Jul '20 · 1Jan '22 · 1May '22 · 3Jun '22 · 1May '23 · 3Jun '23 · 1Jul '23 · 2Nov '23 · 4May '24 · 2Sep '24 · 2Jul '26 · 2Sep '26 · 12020202120222023202420252026
bars = month · line = 3-mo average
Portfolio status
Browse projects →
Open permit728%
Signed off28%
Filed only1664%
By project type
Alteration12
No Work12
Most active buildings
All buildings →
61 WEST STREETBROOKLYN · latest 11/11/2023
7 projects
537 WEST 26 STREETMANHATTAN · latest 05/17/2024
5 projects
RANDALLS ISLANDMANHATTAN · 1 open · latest 07/24/2026
4 projects
344 WEST 89 STREETMANHATTAN · 2 open · latest 07/05/2023
2 projects
736 8 AVENUEMANHATTAN · 1 open · latest 05/12/2022
2 projects
32 10 AVENUEMANHATTAN · 1 open · latest 09/14/2026
1 projects
Key relationships
Everyone →
Design firms
1 projects
Filing representatives
1 projects
Contractors
2 projects
1 projects
1 projects
1 projects
People
All people →
sean obrienlatest 08/28/2026
13 filings
Filed under
SEAN OBRIEN ARCHITECTURE31
Identified by the contact ids of the people who file for the firm and by its email domain (so-architecture.com), not by matching names.
Most recent projects
All projects →
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01453034 ↗32 10 AVENUE
MANHATTAN
—Permit Issued—09/14/2026
Owner H&S Communications, LLC
Contractor WINICK PRODUCTIONS, LLC
TEMPORARY STRUCTURES USED IN CONJUNCTION WITH TPA: SARTI ROSA TOO PINK TO CARE U.S. LAUNCH EVENT
M01428575 ↗RANDALLS ISLAND
MANHATTAN
AlterationPermit Issued07/21/202607/24/2026
Owner NYC PARKS DEPARTMENT
Contractor WINICK PRODUCTIONS, LLC
TEMPORARY STRUCTURE FOR A FESTIVAL FILED IN CONJUCTION WITH THIS PERMIT. TEMPORARY STRUCTURES INCLUDE TENTS AND PLATFORM.
M01428523 ↗RANDALLS ISLAND
MANHATTAN
No WorkFiled — no permit on record07/10/2026———
M00646499 ↗102 BRADHURST AVENUE
MANHATTAN
AlterationPermit Issued01/19/202201/29/2026
Owner AKAM ASSOCIATES, INC.
Contractor PRAT ENTERPRISES CORP
Filer CONSTRUCTION PERMIT SERVICES
Facade repairs and replacement of existing parapet with new as per plans. No change in use, egress, or occupancy.
M01111792 ↗RANDALLS ISLAND
MANHATTAN
AlterationSigned-off09/16/202409/27/2024
Owner NYC PARKS DEPARTMENT
Contractor NYFF EVENTS LLC
Filer ADG
TEMPORARY BROADCAST STAGE USED IN CONJUNCTION WITH TPA EVENT
M01111704 ↗RANDALLS ISLAND
MANHATTAN
No WorkFiled — no permit on record09/16/2024———
Counts cover all 25 projects (25 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
sean obrien1308/28/2026
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
SIMPSON GUMPERTZ & HEGER103/25/2026
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
WINICK PRODUCTIONS, LLC207/24/2026
G.P. MECHANICAL CORP107/18/2023
HP SERVICES INC107/23/2020
NYFF EVENTS LLC109/16/2024
PRAT ENTERPRISES CORP103/25/2026
SCONDA CANVAS PRODUCTS105/09/2022
STEELDECK NY INC105/06/2024
TOMAK GROUP INC105/04/2023
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
344 WEST 89TH ST. OWNERS CORP.207/18/2023
NYC PARKS DEPARTMENT207/24/2026
VORNADO REALTY TRUST205/06/2024
AKAM ASSOCIATES, INC.103/25/2026
H&S Communications, LLC1—
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
CONSTRUCTION PERMIT SERVICES103/25/2026
25 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 25Open permit 7Signed off 2Filed only 16
Any typeAlteration 12No Work 12
25 projects
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01453034 ↗32 10 AVENUE
MANHATTAN
—Permit Issued—09/14/2026
Owner H&S Communications, LLC
Contractor WINICK PRODUCTIONS, LLC
TEMPORARY STRUCTURES USED IN CONJUNCTION WITH TPA: SARTI ROSA TOO PINK TO CARE U.S. LAUNCH EVENT
M01428575 ↗RANDALLS ISLAND
MANHATTAN
AlterationPermit Issued07/21/202607/24/2026
Owner NYC PARKS DEPARTMENT
Contractor WINICK PRODUCTIONS, LLC
TEMPORARY STRUCTURE FOR A FESTIVAL FILED IN CONJUCTION WITH THIS PERMIT. TEMPORARY STRUCTURES INCLUDE TENTS AND PLATFORM.
M01428523 ↗RANDALLS ISLAND
MANHATTAN
No WorkFiled — no permit on record07/10/2026———
M00646499 ↗102 BRADHURST AVENUE
MANHATTAN
AlterationPermit Issued01/19/202201/29/2026
Owner AKAM ASSOCIATES, INC.
Contractor PRAT ENTERPRISES CORP
Filer CONSTRUCTION PERMIT SERVICES
Facade repairs and replacement of existing parapet with new as per plans. No change in use, egress, or occupancy.
M01111792 ↗RANDALLS ISLAND
MANHATTAN
AlterationSigned-off09/16/202409/27/2024
Owner NYC PARKS DEPARTMENT
Contractor NYFF EVENTS LLC
Filer ADG
TEMPORARY BROADCAST STAGE USED IN CONJUNCTION WITH TPA EVENT
M01111704 ↗RANDALLS ISLAND
MANHATTAN
No WorkFiled — no permit on record09/16/2024———
M01045515 ↗537 WEST 26 STREET
MANHATTAN
AlterationSigned-off05/06/202405/17/2024
Owner VORNADO REALTY TRUST
Contractor STEELDECK NY INC
INSTALLATION OF A MODULAR STAGE FOR A TPA EVENT. THE STAGE WILL BE REMOVED IMMEDIATELY AFTER THE COMPLETION OF THE EVENT. THE EXISTING BUILD…
M01045511 ↗537 WEST 26 STREET
MANHATTAN
No WorkFiled — no permit on record05/06/2024———
B00960870 ↗61 WEST STREET
BROOKLYN
AlterationFiled — no permit on record11/11/2023———
B00960801 ↗61 WEST STREET
BROOKLYN
AlterationFiled — no permit on record11/10/2023———
B00960691 ↗61 WEST STREET
BROOKLYN
No WorkFiled — no permit on record11/09/2023———
B00960838 ↗61 WEST STREET
BROOKLYN
No WorkFiled — no permit on record11/09/2023———
B00909249 ↗61 WEST STREET
BROOKLYN
AlterationFiled — no permit on record07/27/2023———
B00909214 ↗61 WEST STREET
BROOKLYN
No WorkFiled — no permit on record07/25/2023———
M00684505 ↗344 WEST 89 STREET
MANHATTAN
AlterationPermit Issued06/05/202307/05/2023
Owner 344 WEST 89TH ST. OWNERS CORP.
Contractor G.P. MECHANICAL CORP
REPLACEMENT OF KITCHEN GAS APPLIANCE WITH ELECTRIC. REPLACEMENT AND RELOCATION OF BATHROOM FIXTURES PER PLANS
M00679656 ↗344 WEST 89 STREET
MANHATTAN
AlterationPermit Issued05/04/202306/19/2023
Owner 344 WEST 89TH ST. OWNERS CORP.
Contractor TOMAK GROUP
Minor interior renovation. Work includes Removal of non-load-bearing partitions, new finishes, renewal of kitchen cabinetry, replacement fix…
M00870987 ↗537 WEST 26 STREET
MANHATTAN
No WorkFiled — no permit on record05/09/2023———
M00871047 ↗537 WEST 26 STREET
MANHATTAN
AlterationFiled — no permit on record05/09/2023—
Owner VORNADO REALTY TRUST
—
B00747029 ↗639 2 AVENUE
BROOKLYN
No WorkFiled — no permit on record06/01/2022———
M00734137 ↗736 8 AVENUE
MANHATTAN
AlterationPermit Issued05/09/202205/12/2022
Owner SEAN OBRIEN ARCHITECTURE
Contractor SCONDA CANVAS PRODUCTS
TEMPORARY TENT STRUCTURES
M00734097 ↗736 8 AVENUE
MANHATTAN
No WorkFiled — no permit on record05/09/2022———
M00729261 ↗537 WEST 26 STREET
MANHATTAN
No WorkFiled — no permit on record05/03/2022———
M00373365 ↗201 EAST 62 STREET
MANHATTAN
AlterationPermit Issued07/23/202010/27/2020
Contractor HP SERVICES INC
REPLACEMENT OF EXISTING BATHROOM AND KITCHEN FIXTURES. ADD WASHER.
B00174148 ↗71 WEST STREET
BROOKLYN
No WorkFiled — no permit on record05/31/2019———
B00174511 ↗61 WEST STREET
BROOKLYN
No WorkFiled — no permit on record05/31/2019———
Scope of Work
HVAC — 1 project · most recent 05/04/2023
Air Conditioning Systems Heating Systems
Plumbing — 2 projects · most recent 07/18/2023
Water/Sanitary Gas
Structural — 1 project · most recent 03/25/2026
Masonry
Click a row for this entity's own projects, plans and documents at that building.
BuildingFilingsMost Recent
RANDALLS ISLAND ↗707/24/2026
537 WEST 26 STREET ↗505/02/2024
61 WEST STREET ↗711/09/2023
736 8 AVENUE ↗205/09/2022
344 WEST 89 STREET ↗402/21/2022
201 EAST 62 STREET ↗107/20/2020
102 BRADHURST AVENUE ↗2—
71 WEST STREET ↗1—
639 2 AVENUE ↗1—
▾Documents — 109 on file (BIS + DOB NOW)
▸Plans & Drawings32
▸DOB NOWPlans/Sketch18
09/02/2026M00734137-I1 · 736 8 AVENUERequest digital key ↗
08/31/2026M00679656-I1 · 344 WEST 89 STREETRequest digital key ↗
08/31/2026M00871047-I1 · 537 WEST 26 STREETRequest digital key ↗
Showing 3 of 18 on file for this type
▸DOB NOWPlans/Sketch - Temporary Place of Assembly13
09/02/2026B00174148-I1 · 71 WEST STREETRequest digital key ↗
09/02/2026B00174511-I1 · 61 WEST STREETRequest digital key ↗
09/02/2026M00729261-I1 · 537 WEST 26 STREETRequest digital key ↗
Showing 3 of 13 on file for this type
▸DOB NOWPlans/Sketch - Plumbing1
09/04/2026M00373365-I1 · 201 EAST 62 STREETRequest digital key ↗
▸Applications & Permits3
▸DOB NOWLPC Approval/Permit3
08/13/2026M00684505-P1 · 344 WEST 89 STREETOpen ↗
08/13/2026M00679656-I1 · 344 WEST 89 STREETOpen ↗
08/13/2026M00684505-I1 · 344 WEST 89 STREETOpen ↗
▸Seals & Professional Certifications55
▸DOB NOWDPL-1: Design Professional Seal & Signature33
09/16/2026M01453034-I1Open ↗
09/02/2026B00174148-I1 · 71 WEST STREETOpen ↗
09/02/2026B00174511-I1 · 61 WEST STREETOpen ↗
Showing 3 of 33 on file for this type
▸DOB NOWProgress Inspector Seal & Signature12
09/29/2026B00960870-I1 · 61 WEST STREETOpen ↗
09/23/2026M01453034-I1Open ↗
09/01/2026M00646499-P5 · 102 BRADHURST AVENUEOpen ↗
Showing 3 of 12 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature10
09/02/2026M00684505-I1 · 344 WEST 89 STREETOpen ↗
09/01/2026M00646499-P5 · 102 BRADHURST AVENUEOpen ↗
09/01/2026M00646499-P5 · 102 BRADHURST AVENUEOpen ↗
Showing 3 of 10 on file for this type
▸Safety & Tenant Protection1
▸DOB NOWTenant Protection Plan1
08/13/2026M00373365-I1 · 201 EAST 62 STREETOpen ↗
▸Environmental & Asbestos4
▸DOB NOWDEP ACP-5: Asbestos Assessment Report4
08/29/2026M00684505-P1 · 344 WEST 89 STREETOpen ↗
08/29/2026M00684505-I1 · 344 WEST 89 STREETOpen ↗
08/13/2026M00373365-I1 · 201 EAST 62 STREETOpen ↗
Showing 3 of 4 on file for this type
▸Approvals, Objections & Sign-offs6
▸DOB NOWFee Exempt Supporting Document - DOF ACRIS report or BIB letter6
08/26/2026M01111704-P1 · RANDALLS ISLANDOpen ↗
08/26/2026M01111704-I1 · RANDALLS ISLANDOpen ↗
08/16/2026M01428523-I1 · RANDALLS ISLANDOpen ↗
Showing 3 of 6 on file for this type
▸Other Documents8
▸DOB NOWDHCR Document5
08/13/2026M00684505-P1 · 344 WEST 89 STREETOpen ↗
08/13/2026M00684505-I1 · 344 WEST 89 STREETOpen ↗
08/13/2026M00684505-I1 · 344 WEST 89 STREETOpen ↗
Showing 3 of 5 on file for this type
▸DOB NOWProof of Historic Building3
08/13/2026M00684505-I1 · 344 WEST 89 STREETOpen ↗
08/13/2026M00679656-I1 · 344 WEST 89 STREETOpen ↗
08/13/2026M00684505-P1 · 344 WEST 89 STREETOpen ↗