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Design Firm
JEFFREY LANGSAM ARCHITECT P.A.
Design
2 projects with open permitsMANHATTAN · 6BRONX · 1
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5 buildings
14
Total Filings
7
Projects on File
5
Buildings Worked
2
Projects w/ Open Permits
Design
Role
Activity
Projects by first filing month7 projects all-time
0123Jul '18 · 1Aug '19 · 2Oct '22 · 1Mar '23 · 1Feb '25 · 1Mar '26 · 120192020202120222023202420252026
bars = month · line = 3-mo average
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Open permit229%
Signed off571%
By project type
Alteration7
Most active buildings
All buildings →
350 EAST 57 STREETMANHATTAN · latest 10/29/2019
2 projects
420 EAST 72 STREETMANHATTAN · latest 03/13/2025
2 projects
125 ORCHARD STREETMANHATTAN · 1 open · latest 12/05/2022
1 projects
838 GREENWICH STREETMANHATTAN · 1 open · latest 07/15/2026
1 projects
2488 GRAND CONCOURSEBRONX · latest 07/11/2018
1 projects
Key relationships
Everyone →
Filing representatives
2 projects
Owners
1 projects
People
All people →
Jeffrey Langsamlatest 06/26/2026
7 filings
Most recent projects
All projects →
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01375184 ↗838 GREENWICH STREET
MANHATTAN
AlterationPermit Issued03/24/202607/15/2026
Contractor SCAMPA CONTRACTING, CORP
Filer CONVERSANO ASSOCIATES, INC.
Propose interior renovation of apartment 3D. Removal and installation of non load bearing partitions and related finishes all as per plans h…
M01136263 ↗420 EAST 72 STREET
MANHATTAN
AlterationSigned-off02/10/202503/13/2025
Contractor ALMA DESIGN
Propose minor interior work to create closet for double stack washer and dryer all as per plans herewith filed. No change in use, egress or …
M00819219 ↗420 EAST 72 STREET
MANHATTAN
AlterationSigned-off03/06/202301/25/2024
Owner RUDD REALTY MGMT CORP.
Contractor SCAMPA CONTRACTING, CORP
Filer CONVERSANO ASSOCIATES, INC.
Propose mechanical modifications all as per plans herewith filed. No change in use, egress or occupancy filed under this application.
M08020300 ↗125 ORCHARD STREET
MANHATTAN
AlterationPermit Issued10/31/202212/05/2022
Contractor A.C.& H. MAINTENANCE CORP
Filing herewith for the removal of 5 existing HVAC units & Dunnage . Replacement of existing HVAC at same location with new units and dunna…
M00202456 ↗350 EAST 57 STREET
MANHATTAN
AlterationSigned-off08/13/201910/29/2019
Contractor TESTERMAN PLBG & HTG INC
Filer CONVERSANO ASSOCIATES, INC.
Filing herewith plumbing plans in conjunction with Alt2 123713320.
M00202465 ↗350 EAST 57 STREET
MANHATTAN
AlterationSigned-off08/13/201910/24/2019
Contractor GREEN CONVERSIONS INC
Filer CONVERSANO ASSOCIATES, INC.
Filing herewith mechanical plan in conjunction with atl 2 application 123713320.
Counts cover all 7 projects (7 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
Jeffrey Langsam706/26/2026
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
SCAMPA CONTRACTING, CORP306/30/2026
A.C.& H. MAINTENANCE CORP110/31/2022
ALMA DESIGN INC102/10/2025
GREEN CONVERSIONS INC107/14/2021
TESTERMAN PLBG & HTG INC101/12/2021
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
RUDD REALTY MGMT CORP.106/27/2023
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
CONVERSANO ASSOCIATES, INC.206/30/2026
7 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 7Open permit 2Signed off 5
7 projects
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01375184 ↗838 GREENWICH STREET
MANHATTAN
AlterationPermit Issued03/24/202607/15/2026
Contractor SCAMPA CONTRACTING, CORP
Filer CONVERSANO ASSOCIATES, INC.
Propose interior renovation of apartment 3D. Removal and installation of non load bearing partitions and related finishes all as per plans h…
M01136263 ↗420 EAST 72 STREET
MANHATTAN
AlterationSigned-off02/10/202503/13/2025
Contractor ALMA DESIGN
Propose minor interior work to create closet for double stack washer and dryer all as per plans herewith filed. No change in use, egress or …
M00819219 ↗420 EAST 72 STREET
MANHATTAN
AlterationSigned-off03/06/202301/25/2024
Owner RUDD REALTY MGMT CORP.
Contractor SCAMPA CONTRACTING, CORP
Filer CONVERSANO ASSOCIATES, INC.
Propose mechanical modifications all as per plans herewith filed. No change in use, egress or occupancy filed under this application.
M08020300 ↗125 ORCHARD STREET
MANHATTAN
AlterationPermit Issued10/31/202212/05/2022
Contractor A.C.& H. MAINTENANCE CORP
Filing herewith for the removal of 5 existing HVAC units & Dunnage . Replacement of existing HVAC at same location with new units and dunna…
M00202456 ↗350 EAST 57 STREET
MANHATTAN
AlterationSigned-off08/13/201910/29/2019
Contractor TESTERMAN PLBG & HTG INC
Filer CONVERSANO ASSOCIATES, INC.
Filing herewith plumbing plans in conjunction with Alt2 123713320.
M00202465 ↗350 EAST 57 STREET
MANHATTAN
AlterationSigned-off08/13/201910/24/2019
Contractor GREEN CONVERSIONS INC
Filer CONVERSANO ASSOCIATES, INC.
Filing herewith mechanical plan in conjunction with atl 2 application 123713320.
X00055319 ↗2488 GRAND CONCOURSE
BRONX
AlterationSigned-off07/11/201807/11/2018
Contractor SCAMPA CONTRACTING, CORP
Installation of temporary construction fence.
Click a row for this entity's own projects, plans and documents at that building.
BuildingFilingsMost Recent
838 GREENWICH STREET ↗206/26/2026
420 EAST 72 STREET ↗301/26/2023
350 EAST 57 STREET ↗707/12/2021
125 ORCHARD STREET ↗1—
2488 GRAND CONCOURSE ↗1—
▾Documents — 75 on file (BIS + DOB NOW)
▸Plans & Drawings12
▸DOB NOWPlans/Sketch7
09/01/2026M08020300-I1 · 125 ORCHARD STREETRequest digital key ↗
08/30/2026M00819219-S1 · 420 EAST 72 STREETRequest digital key ↗
08/26/2026X00055319-I1 · 2488 GRAND CONCOURSERequest digital key ↗
Showing 3 of 7 on file for this type
▸DOB NOWPlans/Sketch - Mechanical Systems3
09/05/2026M00202465-I1 · 350 EAST 57 STREETRequest digital key ↗
09/05/2026M00202465-P1 · 350 EAST 57 STREETRequest digital key ↗
Showing 2 of 3 on file for this type
▸DOB NOWPlans/Sketch - Plumbing2
09/04/2026M00202456-P1 · 350 EAST 57 STREETRequest digital key ↗
09/04/2026M00202456-I1 · 350 EAST 57 STREETRequest digital key ↗
▸Applications & Permits2
▸DOB NOWLPC Approval/Permit2
08/18/2026M01375184-I1 · 838 GREENWICH STREETOpen ↗
08/18/2026M01375184-P1 · 838 GREENWICH STREETOpen ↗
▸Seals & Professional Certifications42
▸DOB NOWProgress Inspector Seal & Signature24
09/01/2026M00202465-I1 · 350 EAST 57 STREETOpen ↗
09/01/2026M00202465-I1 · 350 EAST 57 STREETOpen ↗
09/01/2026M00202465-I1 · 350 EAST 57 STREETOpen ↗
Showing 3 of 24 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature12
09/05/2026M00202465-P1 · 350 EAST 57 STREETOpen ↗
09/05/2026M00202465-I1 · 350 EAST 57 STREETOpen ↗
09/05/2026M00202465-P2 · 350 EAST 57 STREETOpen ↗
Showing 3 of 12 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature6
09/01/2026M00202465-I1 · 350 EAST 57 STREETOpen ↗
09/01/2026M00202465-I1 · 350 EAST 57 STREETOpen ↗
08/24/2026M00202456-I1 · 350 EAST 57 STREETOpen ↗
Showing 3 of 6 on file for this type
▸Safety & Tenant Protection6
▸DOB NOWTenant Protection Plan6
09/04/2026M00202456-P1 · 350 EAST 57 STREETOpen ↗
08/13/2026M00202456-I1 · 350 EAST 57 STREETOpen ↗
Showing 2 of 6 on file for this type
▸Environmental & Asbestos11
▸DOB NOWDEP ACP-5: Asbestos Assessment Report11
09/05/2026M00202465-I1 · 350 EAST 57 STREETOpen ↗
09/05/2026M00202465-P1 · 350 EAST 57 STREETOpen ↗
09/04/2026M00202456-P1 · 350 EAST 57 STREETOpen ↗
Showing 3 of 11 on file for this type
▸Other Documents2
▸DOB NOWProof of Historic Building2
08/18/2026M01375184-P1 · 838 GREENWICH STREETOpen ↗
08/13/2026M01375184-I1 · 838 GREENWICH STREETOpen ↗