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Design Firm
DEXTER CHEN ARCHITECT
Design
1 project with open permitsMANHATTAN · 2
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1 building
3
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2
Projects on File
1
Buildings Worked
1
Projects w/ Open Permits
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Alteration2
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345 EAST 52 STREETMANHATTAN · 1 open · latest 01/31/2025
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Dexter Chenlatest 03/17/2025
3 filings
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ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M00894482 ↗345 EAST 52 STREET
MANHATTAN
AlterationPermit Issued07/11/202301/31/2025
Contractor HI-TECH PLUMBING & HEATIN
Filer JAM CONSULTANTS, INC.
MODIFICATION OF PLUMBING ON 9TH FLOOR IN APTS 9E/9F AS PER PLANS. NO CHANGE IN USE, EGRESS OR OCCUPANCY.
M00886816 ↗345 EAST 52 STREET
MANHATTAN
AlterationSigned-off07/11/202307/24/2023
Contractor AFA CONSTRUCTION LLC
Filer JAM CONSULTANTS, INC.
Combination of apartments 9E & 9F. Renovation work includes Interior demo and installation of partitions, new doors, millwork and finishes t…
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
Dexter Chen303/17/2025
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
AFA CONSTRUCTION LLC107/11/2023
HI-TECH PLUMBING & HEATIN103/21/2025
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
JAM CONSULTANTS, INC.203/21/2025
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
M00894482 ↗345 EAST 52 STREET
MANHATTAN
AlterationPermit Issued07/11/202301/31/2025
Contractor HI-TECH PLUMBING & HEATIN
Filer JAM CONSULTANTS, INC.
MODIFICATION OF PLUMBING ON 9TH FLOOR IN APTS 9E/9F AS PER PLANS. NO CHANGE IN USE, EGRESS OR OCCUPANCY.
M00886816 ↗345 EAST 52 STREET
MANHATTAN
AlterationSigned-off07/11/202307/24/2023
Contractor AFA CONSTRUCTION LLC
Filer JAM CONSULTANTS, INC.
Combination of apartments 9E & 9F. Renovation work includes Interior demo and installation of partitions, new doors, millwork and finishes t…
Scope of Work
Plumbing — 1 project · most recent 03/21/2025
Gas Water/Sanitary
Click a row for this entity's own projects, plans and documents at that building.
BuildingFilingsMost Recent
345 EAST 52 STREET ↗303/17/2025
▾Documents — 13 on file (BIS + DOB NOW)
▸Plans & Drawings3
▸DOB NOWPlans/Sketch3
08/30/2026M00886816-I1 · 345 EAST 52 STREETRequest digital key ↗
08/24/2026M00894482-P1 · 345 EAST 52 STREETRequest digital key ↗
08/24/2026M00894482-I1 · 345 EAST 52 STREETRequest digital key ↗
▸Seals & Professional Certifications7
▸DOB NOWDPL-1: Design Professional Seal & Signature3
08/24/2026M00894482-I1 · 345 EAST 52 STREETOpen ↗
08/13/2026M00894482-P1 · 345 EAST 52 STREETOpen ↗
08/13/2026M00886816-I1 · 345 EAST 52 STREETOpen ↗
▸DOB NOWProgress Inspector Seal & Signature3
08/22/2026M00886816-I1 · 345 EAST 52 STREETOpen ↗
08/22/2026M00886816-I1 · 345 EAST 52 STREETOpen ↗
08/22/2026M00886816-I1 · 345 EAST 52 STREETOpen ↗
▸DOB NOWSpecial Inspector Seal & Signature1
08/22/2026M00886816-I1 · 345 EAST 52 STREETOpen ↗
▸Environmental & Asbestos3
▸DOB NOWDEP ACP-5: Asbestos Assessment Report3
08/24/2026M00894482-I1 · 345 EAST 52 STREETOpen ↗
08/13/2026M00886816-I1 · 345 EAST 52 STREETOpen ↗
08/13/2026M00894482-P1 · 345 EAST 52 STREETOpen ↗