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Design Firm
STUDIO ST ARCHITECTS
Design
4 projects with open permitsMANHATTAN · 31BRONX · 1BROOKLYN · 1
19 buildings
58
Total Filings
33
Projects on File
19
Buildings Worked
4
Projects w/ Open Permits
Design
Role
Activity
Projects by first filing month33 projects all-time
0134Nov '20 · 1Feb '21 · 1Aug '21 · 2Sep '21 · 2Jan '22 · 2Apr '22 · 2May '22 · 2Aug '22 · 1Jan '23 · 2Feb '23 · 2May '23 · 3Sep '23 · 1Jul '24 · 2Dec '24 · 1Feb '25 · 1Jun '25 · 2Aug '25 · 1Sep '25 · 1Dec '25 · 1Jan '26 · 1Mar '26 · 1Apr '26 · 1202120222023202420252026
bars = month · line = 3-mo average
Portfolio status
Browse projects →
Open permit412%
Signed off2679%
Filed only39%
By project type
Alteration30
No Work2
Alteration CO1
Most active buildings
All buildings →
308 WEST 75 STREETMANHATTAN · 2 open · latest 08/07/2026
3 projects
824 WEST END AVENUEMANHATTAN · latest 09/13/2023
3 projects
115 CENTRAL PARK WESTMANHATTAN · latest 02/28/2023
2 projects
161 WEST 75 STREETMANHATTAN · latest 05/24/2023
2 projects
250 WEST 88 STREETMANHATTAN · latest 08/01/2022
2 projects
608 WEST END AVENUEMANHATTAN · latest 04/17/2025
2 projects
Key relationships
Everyone →
Esther Sperberlatest 06/08/2026
41 filings
Filed under
STUDIO ST ARCHITECTS58
Identified by the contact ids of the people who file for the firm and by its email domain (studio-st.com), not by matching names.
Most recent projects
All projects →
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01339967 ↗308 WEST 75 STREET
MANHATTAN
AlterationPermit Issued01/12/202608/07/2026PL work as per plans filed no change in use egress or occupancy
M01352650 ↗308 WEST 75 STREET
MANHATTAN
AlterationPermit Issued03/09/202606/29/2026STRUCTURAL WORK IN CONJUCTION WITH THE PROPOSED NEW MEZZANINE.
M01380010 ↗308 WEST 75 STREET
MANHATTAN
Alteration COFiled — no permit on record04/30/2026——
M01265095 ↗257 CENTRAL PARK WEST
MANHATTAN
AlterationSigned-off08/28/202501/09/2026RENOVATION OF I BEDROOM APT; MINOR NON LOAD BEARING PARTITION REMOVAL, NEWINTERIOR GWB NON LOAD BEARING PARTITIONS AND DOORS, NEW CABINETRY …
M01294370 ↗56 EAST 87 STREET
MANHATTAN
AlterationSigned-off12/02/202512/08/2025SCOPE OF WORK: PLUMBING WORK INCLUDING CAPPED & REMOVED NEW & REPLACED, PLUMBING FIXTURES AS PER PLANS FILED. NO CHANGE TO USE, OCCUPANCY OR…
M01248225 ↗123 WEST 93 STREET
MANHATTAN
AlterationPermit Issued09/30/202512/01/2025AT APT. # 1H: PROPOSED PLUMBING WORK INCLUDING CAPPED & REMOVED NEW & REPLACED, PLUMBING FIXTURES AS PER PLANS FILED. NO CHANGE TO USE, OCCU…
Counts cover all 33 projects (33 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
Esther Sperber4106/08/2026
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
STEPHEN K. CHIN, ARCHITECT201/04/2024
TYLin207/28/2026
GOLDMAN COPELAND ASSOCIATES107/28/2026
ORSAR ENGINEERING112/11/2024
SILMAN107/30/2025
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
UNLIMITED RENOVATION LLC608/28/2025
DNA PLUMBING CONTR. INC401/18/2023
O&L EXPERT CONTRACTING IN409/30/2025
TAP PLUMBING CORP308/28/2025
SAFEPIPE PLUMBING INC212/02/2025
ZFM INC202/07/2025
A.M.N. CORPORATION111/13/2023
A.W. & S. CONSTRUCTION CO102/12/2021
ALTI CONSTRUCTION INC105/08/2023
ARANDA PLBG & HTG CORP101/20/2022
AUTHENTIC PLBG CORP109/30/2025
CLARK CONSTRUCTION CORP104/27/2022
DARBY CONSTRUCTION SVC LL101/02/2024
G. C. PLBG & HTG INC107/28/2026
GANIC PLUMBING & HTG INC105/20/2023
HP KLEIN INC101/20/2022
HW CONSTRUCTION LLC112/02/2025
IPRIME DEVELOPMENT LLC101/12/2026
LT FIRE PROTECTION CORP107/28/2026
NOPHIER PLUMBING & HTG IN101/12/2026
NY BUILDING ASSOCIATES IN112/11/2024
ORION CONSTRUCTION & PAIN105/09/2022
SHAW MECHANICAL INC101/04/2024
SIMPLE CHOICE PLBG AND HT101/19/2024
SPK/LEWIS CONSTRUCTION LL107/28/2026
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
MANHATTAN DAY SCHOOL307/28/2026
AKAM ASSOCIATES, INC.207/03/2024
TUDOR REALTY SERVICES CORP201/04/2024
ASTOR TERRACE CONDOMINIUM108/28/2025
BLACKSTONE101/19/2024
BRM LLC112/11/2024
RAMON WEIRS LLC101/28/2022
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
AZAR ASSOCIATES2112/02/2025
ADAM MAISER207/28/2026
J.A. EXPEDITING, LLC201/04/2024
J. CALLAHAN CONSULTING, INC.102/12/2021
PDG BUILDING CONSULTANTS LLC LLC101/12/2026
33 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 33Open permit 4Signed off 26Filed only 3
Any typeAlteration 30No Work 2Alteration CO 1
33 projects
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01339967 ↗308 WEST 75 STREET
MANHATTAN
AlterationPermit Issued01/12/202608/07/2026PL work as per plans filed no change in use egress or occupancy
M01352650 ↗308 WEST 75 STREET
MANHATTAN
AlterationPermit Issued03/09/202606/29/2026STRUCTURAL WORK IN CONJUCTION WITH THE PROPOSED NEW MEZZANINE.
M01380010 ↗308 WEST 75 STREET
MANHATTAN
Alteration COFiled — no permit on record04/30/2026——
M01265095 ↗257 CENTRAL PARK WEST
MANHATTAN
AlterationSigned-off08/28/202501/09/2026RENOVATION OF I BEDROOM APT; MINOR NON LOAD BEARING PARTITION REMOVAL, NEWINTERIOR GWB NON LOAD BEARING PARTITIONS AND DOORS, NEW CABINETRY …
M01294370 ↗56 EAST 87 STREET
MANHATTAN
AlterationSigned-off12/02/202512/08/2025SCOPE OF WORK: PLUMBING WORK INCLUDING CAPPED & REMOVED NEW & REPLACED, PLUMBING FIXTURES AS PER PLANS FILED. NO CHANGE TO USE, OCCUPANCY OR…
M01248225 ↗123 WEST 93 STREET
MANHATTAN
AlterationPermit Issued09/30/202512/01/2025AT APT. # 1H: PROPOSED PLUMBING WORK INCLUDING CAPPED & REMOVED NEW & REPLACED, PLUMBING FIXTURES AS PER PLANS FILED. NO CHANGE TO USE, OCCU…
X01226293 ↗4715 INDEPENDENCE AVENUE
BRONX
AlterationSigned-off06/13/202510/31/2025PLUMBING WORK INCLUDING CAPPED & REMOVED, NEW & REPLACED PLUMBING FIXTURES AS PER PLANS FILED.NO CHANGE TO USE, OCCUPANCY OR EGRESS
M01235984 ↗171 WEST 71 STREET
MANHATTAN
AlterationSigned-off06/17/202507/14/2025PLUMBING WORKINCLUDING CAPPED & REMOVED NEW & REPLACED, PLUMBING FIXTURES ASPER PLANS FILED.NO CHANGE TO USE, OCCUPANCY OR EGRESS
M01170507 ↗40 EAST 80 STREET
MANHATTAN
AlterationPermit Issued02/07/202506/20/2025REPLACED, AND CAPPED & REMOVED PLUMBING FIXTURES, ALL AS PER PLANS SUPPLIED. NOCHANGE TO USE, OCCUPANCY OR EGRESS
B01143597 ↗544 STATE STREET
BROOKLYN
AlterationSigned-off12/10/202405/07/2025
Owner BRM LLC
RENOVATE 4 UNIT RESIDENTIAL BUILDING: MINOR NON LOAD BEARING PARTITION REMOVAL, REMOVAL OF CABINETS & FINISHES, NEW INTERIOR GWB NON LOAD …
M00806775 ↗608 WEST END AVENUE
MANHATTAN
AlterationSigned-off02/17/202304/17/2025FILING APPLICATION FOR THE INTERIOR COMBINATION OF APARTMENTS 1D & 2D ON THE FIRST & SECOND FLOOR. NO CHANGE IN USE, EGRESS, OR OCCUPANCY.
M01066052 ↗2681 BROADWAY
MANHATTAN
AlterationSigned-off07/03/202408/29/2024General Construction including minor removal of partitions, cabinetry and flooring. New partition, dropped ceilings cabinetry and finishes a…
M01066054 ↗2681 BROADWAY
MANHATTAN
AlterationSigned-off07/03/202408/23/2024Plumbing work including Capped& Removed, New, Replaced and Relocated plumbing fixtures with associated supply and drain work as per plans fi…
M00806779 ↗608 WEST END AVENUE
MANHATTAN
AlterationSigned-off02/17/202304/19/2024
Contractor JAMES CRUZ
PLUMBING WORK RELATED TO THE INTERIOR COMBINATION OF APARTMENTS 1D & 2D ON THE FIRST & SECOND FLOOR. NO CHANGE IN USE, EGRESS, OR OCCUPANCY.
M00702222 ↗9 EAST 92 STREET
MANHATTAN
AlterationSigned-off04/27/202211/02/2023INDIVIDUAL DWELLING RENOVATION , MINOR NON LOAD BEARING PARTITION REMOVAL, NEW INTERIOR GWBNON LOAD BEARING PARTITIONS AND DOORS, NEW CABINE…
M00854977 ↗40 EAST 80 STREET
MANHATTAN
AlterationSigned-off05/30/202310/04/2023APT RENOVATION , MINOR NON LOAD BEARING PARTITION REMOVAL, NEW INTERIOR GWB NONLOADBEARING PARTITIONS AND DOORS, NEW CABINETRY AND FINISHES,…
M00930648 ↗824 WEST END AVENUE
MANHATTAN
No WorkFiled — no permit on record09/13/2023———
M00847142 ↗161 WEST 75 STREET
MANHATTAN
AlterationSigned-off05/08/202305/24/2023PLUMBING: NEW, REPLACED, RELOCATED AND REMOVED PLUMBING FIXTURES AS PER PLANSFILED.NO CHANGE TO USE, OCCUPANCY OR EGRESS
M00847136 ↗161 WEST 75 STREET
MANHATTAN
AlterationSigned-off05/08/202305/22/2023APT COMBINATION AS PER TPPN #/97, MINOR NON LOAD BEARING PARTITION REMOVAL, NEWINTERIOR GWB NON LOAD BEARING PARTITIONS AND DOORS, NEW CABIN…
M00702223 ↗9 EAST 92 STREET
MANHATTAN
AlterationSigned-off04/27/202204/03/2023PLUMBING: NEW, REPLACED, RELOCATED AND REMOVED PLUMBING FIXTURES AS PER PLANS FILED.NO CHANGE TO USE, OCCUPANCY OR EGRESS
M00800813 ↗115 CENTRAL PARK WEST
MANHATTAN
AlterationSigned-off01/18/202302/28/2023GENERAL PLUMBING MODIFICATIONS IN SUPPORT OF APARTMENT RENOVATION. NO CHANGE IN OCCUPANCY USE OR EGRESS.
M00800809 ↗115 CENTRAL PARK WEST
MANHATTAN
AlterationSigned-off01/18/202302/27/2023APARTMENT RENOVATION , MINOR NON LOAD BEARING PARTITION REMOVAL, NEWINTERIOR GWB NON LOAD BEARING PARTITIONS AND DOORS, NEW CABINETRY AND FI…
M00731725 ↗418 CENTRAL PARK WEST
MANHATTAN
AlterationSigned-off05/09/202212/13/2022APT RENOVATION , MINOR NON LOAD BEARING PARTITION REMOVAL, NEW INTERIOR GWB NON LOADBEARING PARTITIONS AND DOORS, MODIFICATION TO EXISTING A…
M00766612 ↗824 WEST END AVENUE
MANHATTAN
No WorkFiled — no permit on record08/10/2022———
M00663587 ↗250 WEST 88 STREET
MANHATTAN
AlterationSigned-off01/28/202208/01/2022KITCHEN AND BATHROM RENOVATIONS NEW REPLACED AND RELOCATED FIXTURES ALL AS PER PLANS SUPPLIED NO CHANGE TO OCCUPANCY USE OR EGRESS
M00731736 ↗418 CENTRAL PARK WEST
MANHATTAN
AlterationSigned-off05/09/202207/13/2022NEW, RELOCATION & REPLACEMENT OF FIXTURES:
M00663580 ↗250 WEST 88 STREET
MANHATTAN
AlterationSigned-off01/28/202207/06/2022MINOR NON LOAD BEARING PARTITION REMOVAL, NEW INTERIOR GWB NON LOAD BEARING PARTITIONS AND DOORS, NEW CABINETRY AND FINISHES, ALL AS PER PLA…
M00466226 ↗824 WEST END AVENUE
MANHATTAN
AlterationSigned-off02/10/202106/15/2022(Phase 1) interior demo and minor temporary construction of existing synagogue/ and office area . work in the cellar and ground floor level …
M00595584 ↗70 RIVERSIDE DRIVE
MANHATTAN
AlterationSigned-off09/23/202102/04/2022PLUMBING WORK TYPE IN CONJUNCTION WITH GC APPLICATION # M00595541. NEW REPLACED AND RELOCATED PLUMBING FIXTURES AS PER PLANS FILED THERE IS …
M00595541 ↗70 RIVERSIDE DRIVE
MANHATTAN
AlterationSigned-off09/23/202101/27/2022APARTMENT RENOVATION; MINOR NON LOAD BEARING PARTITION REMOVAL, NEW INTERIOR GWB NON LOAD BEARING PARTITIONS AND DOORS, NEW CABINETRY AND FI…
M00420207 ↗380 WEST 12 STREET
MANHATTAN
AlterationSigned-off11/05/202011/05/2021kitchen and bathroom renovations, new, replaced and relocated fixtures.
M00564935 ↗595 WEST END AVENUE
MANHATTAN
AlterationSigned-off08/16/202110/04/2021KITCHEN AND BATHROOM RENOVATIONS ALL AS PER PLANS SUPPLIED. THERE IS NO CHANGE IN OCCUPANCY USE OR EGRESS
M00562649 ↗595 WEST END AVENUE
MANHATTAN
AlterationSigned-off08/16/202109/29/2021
Contractor HP KLEIN INC
MINOR NON LOAD BEARING PARTITIONS REMOVAL, NEW INTERIOR GWB NON LOAD BEARING PARTITIONS AND DOORS, MODIFICATION TO EXISTING ACCESORY STAIR, …
Scope of Work
HVAC — 1 project · most recent 07/28/2026
Heating and Air Conditioning Systems Ventilation Systems
Sprinkler / Standpipe — 1 project · most recent 07/28/2026
Sprinkler System
Plumbing — 7 projects · most recent 07/28/2026
Water/Sanitary Gas
Structural — 3 projects · most recent 07/28/2026
Steel Concrete
Earthwork — 1 project · most recent 12/02/2025
Tenant Protection Plan 72 Hour
Click a row for this entity's own projects, plans and documents at that building.
BuildingFilingsMost Recent
308 WEST 75 STREET ↗506/08/2026
56 EAST 87 STREET ↗209/29/2025
257 CENTRAL PARK WEST ↗308/01/2025
4715 INDEPENDENCE AVENUE ↗307/29/2025
123 WEST 93 STREET ↗306/27/2025
171 WEST 71 STREET ↗306/04/2025
40 EAST 80 STREET ↗401/22/2025
544 STATE STREET ↗211/18/2024
2681 BROADWAY ↗206/13/2024
9 EAST 92 STREET ↗301/19/2024
161 WEST 75 STREET ↗411/13/2023
608 WEST END AVENUE ↗207/31/2023
418 CENTRAL PARK WEST ↗405/19/2023
115 CENTRAL PARK WEST ↗312/16/2022
70 RIVERSIDE DRIVE ↗303/25/2022
250 WEST 88 STREET ↗201/17/2022
595 WEST END AVENUE ↗407/27/2021
824 WEST END AVENUE ↗502/05/2021
380 WEST 12 STREET ↗110/27/2020
▾Documents — 383 on file (BIS + DOB NOW)
▸Plans & Drawings69
▸DOB NOWPlans/Sketch63
Showing 3 of 63 on file for this type
▸DOB NOWPlans/Sketch - Place of Assembly3
▸DOB NOWPlans/Sketch - General Construction2
▸DOB NOWPlans/Sketch - Plumbing1
▸Applications & Permits31
▸DOB NOWLPC Approval/Permit31
09/04/2026M00466226-P1 · 824 WEST END AVENUEOpen ↗
09/04/2026M00466226-I1 · 824 WEST END AVENUEOpen ↗
09/03/2026M00562649-P1 · 595 WEST END AVENUEOpen ↗
Showing 3 of 31 on file for this type
▸Zoning, Tax Lot & Property Records1
▸DOB NOWHouse Number Verification: TOPO Stamp1
08/14/2026M01380010-I1 · 308 WEST 75 STREETOpen ↗
▸Seals & Professional Certifications178
▸DOB NOWProgress Inspector Seal & Signature65
09/22/2026M01352650-I1 · 308 WEST 75 STREETOpen ↗
09/22/2026M01352650-I1 · 308 WEST 75 STREETOpen ↗
09/06/2026X01226293-S3 · 4715 INDEPENDENCE AVENUEOpen ↗
Showing 3 of 65 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature65
09/04/2026M00466226-I1 · 824 WEST END AVENUEOpen ↗
09/04/2026M00466226-P1 · 824 WEST END AVENUEOpen ↗
09/03/2026M00595541-I1 · 70 RIVERSIDE DRIVEOpen ↗
Showing 3 of 65 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature48
09/23/2026M00847142-P1 · 161 WEST 75 STREETOpen ↗
09/22/2026M01352650-I1 · 308 WEST 75 STREETOpen ↗
09/20/2026M01235984-S1 · 171 WEST 71 STREETOpen ↗
Showing 3 of 48 on file for this type
▸Safety & Tenant Protection2
▸DOB NOWStreet Tree Checklist1
08/14/2026M01380010-I1 · 308 WEST 75 STREETOpen ↗
▸DOB NOWTenant Protection Plan1
08/13/2026M00420207-I1 · 380 WEST 12 STREETOpen ↗
▸Environmental & Asbestos62
▸DOB NOWDEP ACP-5: Asbestos Assessment Report60
09/04/2026M00466226-I1 · 824 WEST END AVENUEOpen ↗
09/04/2026M00466226-P1 · 824 WEST END AVENUEOpen ↗
09/03/2026M00595541-I1 · 70 RIVERSIDE DRIVEOpen ↗
Showing 3 of 60 on file for this type
▸DOB NOWDEP ACP-20/ACP-21: Asbestos Project Conditional Completion Form/Asbestos Project Completion Form2
08/15/2026M00800813-I1 · 115 CENTRAL PARK WESTOpen ↗
08/13/2026M00800809-I1 · 115 CENTRAL PARK WESTOpen ↗
▸Energy Compliance4
▸DOB NOWEN2: As Built Energy Analysis4
09/02/2026M00731725-I1 · 418 CENTRAL PARK WESTOpen ↗
08/13/2026M00663580-I1 · 250 WEST 88 STREETOpen ↗
09/03/2026M00595541-I1 · 70 RIVERSIDE DRIVEOpen ↗
Showing 3 of 4 on file for this type
▸Inspections & Test Reports1
▸DOB NOWGeotechnical Report (BC 1803.6)1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸Approvals, Objections & Sign-offs18
▸DOB NOWFee Exempt Supporting Document - DOF ACRIS report or BIB letter16
09/04/2026M00466226-P1 · 824 WEST END AVENUEOpen ↗
09/04/2026M00466226-I1 · 824 WEST END AVENUEOpen ↗
09/02/2026M00766612-I1 · 824 WEST END AVENUEOpen ↗
Showing 3 of 16 on file for this type
▸DOB NOWLandmark Approval2
09/01/2026M00564935-I1 · 595 WEST END AVENUEOpen ↗
09/01/2026M00800809-I1 · 115 CENTRAL PARK WESTOpen ↗
▸Other Documents17
▸DOB NOWProof of Historic Building8
08/28/2026M00847142-P1 · 161 WEST 75 STREETOpen ↗
08/15/2026M00847142-I1 · 161 WEST 75 STREETOpen ↗
08/13/2026M00800809-I1 · 115 CENTRAL PARK WESTOpen ↗
Showing 3 of 8 on file for this type
▸DOB NOWWaiver Document4
08/31/2026M00806775-I1 · 608 WEST END AVENUEOpen ↗
08/13/2026M00806779-I1 · 608 WEST END AVENUEOpen ↗
08/13/2026M00806779-P2 · 608 WEST END AVENUEOpen ↗
Showing 3 of 4 on file for this type
▸DOB NOWAlternate Plan 22
08/26/2026M00930648-P4 · 824 WEST END AVENUEOpen ↗
08/15/2026M00930648-I1 · 824 WEST END AVENUEOpen ↗
▸DOB NOWAlternate Plan 12
08/26/2026M00930648-P4 · 824 WEST END AVENUEOpen ↗
08/15/2026M00930648-I1 · 824 WEST END AVENUEOpen ↗
▸DOB NOWProperty Ownership Certification1
08/14/2026M01380010-I1 · 308 WEST 75 STREETOpen ↗