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Contractor
OSD BUILDERS LLC
General Contractor
2 projects with open permitsMANHATTAN · 6BROOKLYN · 2BRONX · 1
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5 buildings
12
Total Filings
9
Projects on File
5
Buildings Worked
2
Projects w/ Open Permits
General Contractor
Primary Trade
Activity
Projects by first filing month9 projects all-time
0123Aug '24 · 2Sep '24 · 1Jun '25 · 2Dec '25 · 2Jan '26 · 1Apr '26 · 1Aug '24Nov '24Feb '25May '25Aug '25Nov '25Feb '26Apr '26
bars = month · line = 3-mo average
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Open permit222%
Signed off778%
By project type
Alteration9
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All buildings →
1095 PARK AVENUEMANHATTAN · latest 08/21/2025
4 projects
76 ST MARKS AVENUEBROOKLYN · latest 01/26/2026
2 projects
305 EAST 63 STREETMANHATTAN · 1 open · latest 09/16/2026
1 projects
1327 MADISON AVENUEMANHATTAN · 1 open · latest 08/07/2026
1 projects
1370 BOSTON ROADBRONX · latest 10/14/2025
1 projects
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3 projects
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2 projects
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3 projects
Most recent projects
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ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01371709 ↗305 EAST 63 STREET
MANHATTAN
AlterationPermit Issued04/20/202609/16/2026
Design MG ENGINEERING D.P.C.
Filer BOYD CONSULTING, INC
Interior building mechanical improvement consist of the replacement of 9 existing water source heat pumps, existing ductwork & associated di…
M01346150 ↗1327 MADISON AVENUE
MANHATTAN
AlterationPermit Issued01/29/202608/07/2026
Design NDKAZALAS ARCHITECTURE P.C.
Filer NDKAZALAS ARCHITECTURE
Filing for plumbing work associated with alteration type II for interior renovation to Apt. 17A. No change in Use, Occupancy, or Egress unde…
B01330255 ↗76 ST MARKS AVENUE
BROOKLYN
AlterationSigned-off12/31/202501/26/2026
Design MARC MCQUADE ARCHITECT
Modifications of existing plumbing system.
B01315877 ↗76 ST MARKS AVENUE
BROOKLYN
AlterationSigned-off12/01/202512/15/2025
Design MARC MCQUADE ARCHITECT
Removal of interior partitions (LPC review waved). Interior demolition non structural of existing finishes, non load bearing partitions,
X01102887 ↗1370 BOSTON ROAD
BRONX
AlterationSigned-off09/17/202410/14/2025
Design RISE ARCHITECTURE
INTERIOR RENOVATION AT APT 1 ON THE 1ST FLOOR TO RESOLVE VIOLATION, AS PER PLANS FILED HEREWITH
M01146342 ↗1095 PARK AVENUE
MANHATTAN
AlterationSigned-off06/18/202508/21/2025
Design FLORINELA MURESAN
Owner BROWN HARRIS STEVENS
Filer J. CALLAHAN CONSULTING, INC.
MECHANICAL WORK AS PER PLANS. NO CHANGE OF USE, EGRESS OR OCCUPANCY UNDER THIS APPLICATION.
Counts cover all 9 projects (9 DOB NOW). Dated by first filing; BIS projects by first permit issuance.
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
FLORINELA MURESAN206/16/2026
L.H WEINREICH ARCHITECTS206/15/2026
MARC MCQUADE ARCHITECT208/25/2026
CONCEPT DESIGN GROUP108/25/2026
MG ENGINEERING D.P.C.104/20/2026
NDKAZALAS ARCHITECTURE P.C.102/19/2026
RISE ARCHITECTURE109/17/2024
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
IMPACT PLUMBING INC208/25/2026
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
BROWN HARRIS STEVENS306/16/2026
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
J. CALLAHAN CONSULTING, INC.306/16/2026
BOYD CONSULTING, INC104/20/2026
NDKAZALAS ARCHITECTURE102/19/2026
9 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 9Open permit 2Signed off 7
9 projects
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01371709 ↗305 EAST 63 STREET
MANHATTAN
AlterationPermit Issued04/20/202609/16/2026
Design MG ENGINEERING D.P.C.
Filer BOYD CONSULTING, INC
Interior building mechanical improvement consist of the replacement of 9 existing water source heat pumps, existing ductwork & associated di…
M01346150 ↗1327 MADISON AVENUE
MANHATTAN
AlterationPermit Issued01/29/202608/07/2026
Design NDKAZALAS ARCHITECTURE P.C.
Filer NDKAZALAS ARCHITECTURE
Filing for plumbing work associated with alteration type II for interior renovation to Apt. 17A. No change in Use, Occupancy, or Egress unde…
B01330255 ↗76 ST MARKS AVENUE
BROOKLYN
AlterationSigned-off12/31/202501/26/2026
Design MARC MCQUADE ARCHITECT
Modifications of existing plumbing system.
B01315877 ↗76 ST MARKS AVENUE
BROOKLYN
AlterationSigned-off12/01/202512/15/2025
Design MARC MCQUADE ARCHITECT
Removal of interior partitions (LPC review waved). Interior demolition non structural of existing finishes, non load bearing partitions,
X01102887 ↗1370 BOSTON ROAD
BRONX
AlterationSigned-off09/17/202410/14/2025
Design RISE ARCHITECTURE
INTERIOR RENOVATION AT APT 1 ON THE 1ST FLOOR TO RESOLVE VIOLATION, AS PER PLANS FILED HEREWITH
M01146342 ↗1095 PARK AVENUE
MANHATTAN
AlterationSigned-off06/18/202508/21/2025
Design FLORINELA MURESAN
Owner BROWN HARRIS STEVENS
Filer J. CALLAHAN CONSULTING, INC.
MECHANICAL WORK AS PER PLANS. NO CHANGE OF USE, EGRESS OR OCCUPANCY UNDER THIS APPLICATION.
M01232639 ↗1095 PARK AVENUE
MANHATTAN
AlterationSigned-off06/16/202508/11/2025
Design L.H WEINREICH ARCHITECTS
Owner BROWN HARRIS STEVENS
Filer J. CALLAHAN CONSULTING, INC.
INTERIOR RENOVATION, NEW PARTITIONS AS PER PLANS. MINOR STRUCTURAL WORK. FRAMING FOR LIGHTING AND FRAMING FOR MH EQUIPMENT. NO CHANGE OF USE…
M01102021 ↗1095 PARK AVENUE
MANHATTAN
AlterationSigned-off08/27/202410/09/2024
Design L.H WEINREICH ARCHITECTS
Owner BROWN HARRIS STEVENS
Filer J. CALLAHAN CONSULTING, INC.
REFER TO DRAWINGS FOR SCOPE OF INTERIOR DEMOLITION WORK TO OFFICE #1B. NO CHANGE OF USE, EGRESS OR OCCUPANCY UNDER THIS APPLICATION.
M01102034 ↗1095 PARK AVENUE
MANHATTAN
AlterationSigned-off08/27/202410/09/2024
Design FLORINELA MURESAN
INTERIOR MECHANICAL DEMOLITION FOR AN EXISTING COMMERCIAL SPACE. NO CHANGE OF USE, EGRESS OR OCCUPANCY UNDER THIS APPLICATION.
Click a row for this entity's own projects, plans and documents at that building.
BuildingFilingsMost Recent
305 EAST 63 STREET ↗109/17/2026
1327 MADISON AVENUE ↗209/07/2026
1095 PARK AVENUE ↗507/08/2026
76 ST MARKS AVENUE ↗304/09/2026
1370 BOSTON ROAD ↗104/09/2026
▾Documents — 115 on file (BIS + DOB NOW)
▸Plans & Drawings17
▸DOB NOWPlans/Sketch17
08/26/2026M01102034-I1 · 1095 PARK AVENUERequest digital key ↗
08/23/2026M01232639-I1 · 1095 PARK AVENUERequest digital key ↗
08/23/2026M01232639-P1 · 1095 PARK AVENUERequest digital key ↗
Showing 3 of 17 on file for this type
▸Applications & Permits14
▸DOB NOWLPC Approval/Permit14
08/23/2026M01232639-I1 · 1095 PARK AVENUEOpen ↗
08/23/2026M01146342-I1 · 1095 PARK AVENUEOpen ↗
08/23/2026M01146342-P1 · 1095 PARK AVENUEOpen ↗
Showing 3 of 14 on file for this type
▸Seals & Professional Certifications55
▸DOB NOWSpecial Inspector Seal & Signature25
09/23/2026B01330255-P5 · 76 ST MARKS AVENUEOpen ↗
09/05/2026M01346150-I1 · 1327 MADISON AVENUEOpen ↗
09/02/2026M01102021-I1 · 1095 PARK AVENUEOpen ↗
Showing 3 of 25 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature17
08/26/2026M01102034-I1 · 1095 PARK AVENUEOpen ↗
08/19/2026B01315877-I1 · 76 ST MARKS AVENUEOpen ↗
08/19/2026M01346150-I1 · 1327 MADISON AVENUEOpen ↗
Showing 3 of 17 on file for this type
▸DOB NOWProgress Inspector Seal & Signature13
09/05/2026M01346150-I1 · 1327 MADISON AVENUEOpen ↗
09/05/2026M01346150-I1 · 1327 MADISON AVENUEOpen ↗
09/05/2026M01346150-I1 · 1327 MADISON AVENUEOpen ↗
Showing 3 of 13 on file for this type
▸Environmental & Asbestos17
▸DOB NOWDEP ACP-5: Asbestos Assessment Report17
08/26/2026M01102034-I1 · 1095 PARK AVENUEOpen ↗
08/23/2026M01232639-P1 · 1095 PARK AVENUEOpen ↗
08/19/2026B01315877-I1 · 76 ST MARKS AVENUEOpen ↗
Showing 3 of 17 on file for this type
▸Approvals, Objections & Sign-offs3
▸DOB NOWLandmark Approval3
08/13/2026M01146342-I1 · 1095 PARK AVENUEOpen ↗
08/13/2026M01146342-P1 · 1095 PARK AVENUEOpen ↗
Showing 2 of 3 on file for this type
▸Other Documents9
▸DOB NOWProof of Historic Building9
08/13/2026M01146342-I1 · 1095 PARK AVENUEOpen ↗
08/13/2026M01102034-I1 · 1095 PARK AVENUEOpen ↗
08/13/2026M01102021-I1 · 1095 PARK AVENUEOpen ↗
Showing 3 of 9 on file for this type