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Special Inspection Agency
THORNTON TOMASETTI, INC.
Special Inspection Agency
4 projects with open permitsMANHATTAN · 11BROOKLYN · 2
10 of 11 buildings mapped
16
Total Filings
13
Projects on File
11
Buildings Worked
4
Projects w/ Open Permits
Special Inspection Agency
Primary Trade
Activity
Projects by first filing month13 projects all-time
0235Jun '20 · 1Feb '21 · 3Apr '21 · 4May '21 · 1Jul '21 · 1Oct '22 · 1Nov '23 · 1Aug '26 · 1202120222023202420252026
bars = month · line = 3-mo average
Portfolio status
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Open permit431%
Signed off969%
By project type
Alteration13
Most active buildings
All buildings →
341 MADISON AVENUEMANHATTAN · 3 open · latest 02/26/2024
3 projects
201 WEST 14 STREETMANHATTAN · latest 11/04/2022
1 projects
240 CENTRAL PARK SOUTHMANHATTAN · latest 07/01/2024
1 projects
343 MADISON AVENUEMANHATTAN · latest 02/07/2023
1 projects
343 MADISON AVENUEMANHATTAN · latest 02/07/2023
1 projects
343 MADISON AVENUEMANHATTAN · latest 02/06/2023
1 projects
Key relationships
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Design firms
Filing representatives
Contractors
Most recent projects
All projects →
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01430104 ↗235 EAST 42 STREET
MANHATTAN
AlterationPermit Issued08/11/202609/18/2026
Contractor 235 GC LLC
Shoring work filed in conjunction with the emergency work order and related violations.
M00935857 ↗240 CENTRAL PARK SOUTH
MANHATTAN
AlterationSigned-off11/21/202307/01/2024REMOVAL &REPLACEMENT OF EXTERIOR BRICK &TILE CLADDING AS REQ. FOR WATERPROOFING INSTALLATION, INSTALLATION OF WATERPROOFING BELOW GRADE & TE…
M00471869 ↗341 MADISON AVENUE
MANHATTAN
AlterationPermit Issued02/23/202102/26/2024MECHANICAL DEMO EQUIPMENT USE TO FACILITATE INTERIOR REMOVAL AS PER PLAN, EQUIPMENT: SKID STEER LOADER(BOBCAT S70), MINI EXCAVATOR(BOBCAT E1…
M00471803 ↗341 MADISON AVENUE
MANHATTAN
AlterationPermit Issued02/23/202102/07/2023Mechanical Demo Equipment use to facilitate interior removal located at 341 Madison Avenue. Equipment: Skid Steer Loader (Bobcat S70), Mini …
M00471969 ↗341 MADISON AVENUE
MANHATTAN
AlterationPermit Issued02/23/202102/07/2023MECHANICAL DEMO EQUIPMENT USE TO FACILITATE INTERIOR REMOVAL AT 347 MADISON AVE AS PER PLAN, EQUIPMENT: SKID STEER LOADER(BOBCAT S70), MINI …
M00492259 ↗343 MADISON AVENUE
MANHATTAN
AlterationSigned-off04/02/202102/07/2023PARTIAL DEMO INCLUDING SELECTIVE REMOVAL OF CONCRETE SLAB, MASONRY WALLS & SPANDREL BEAMSFOR FLOOR & WALL OPENINGS TO FACILITATE TRAVEL BETW…
Counts cover all 13 projects (13 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
THORNTON TOMASETTI708/11/2026
ANCORA ENGINEERING, PLLC605/24/2021
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
TITAN INDUSTRIAL SVC CORP605/24/2021
OZ CONTRACTING LLC204/06/2021
235 GC LLC108/11/2026
ALLIED RESTORATION CORP110/28/2022
NEW LINE STRUCTURES & DEV108/26/2022
SIENIA CONSTRUCTION INC112/05/2023
TISHMAN INTERIORS CORP104/27/2022
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
BOSTON PROPERTIES405/24/2021
235 GC LLC108/11/2026
OMNISPECTIVE MANAGEMENT112/05/2023
SL GREEN REALTY CORP108/26/2022
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
DOMANI CONSULTING405/24/2021
DVA Advisors108/11/2026
JENNY FLORES EXPEDITING112/05/2023
13 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 13Open permit 4Signed off 9
13 projects
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01430104 ↗235 EAST 42 STREET
MANHATTAN
AlterationPermit Issued08/11/202609/18/2026
Contractor 235 GC LLC
Shoring work filed in conjunction with the emergency work order and related violations.
M00935857 ↗240 CENTRAL PARK SOUTH
MANHATTAN
AlterationSigned-off11/21/202307/01/2024REMOVAL &REPLACEMENT OF EXTERIOR BRICK &TILE CLADDING AS REQ. FOR WATERPROOFING INSTALLATION, INSTALLATION OF WATERPROOFING BELOW GRADE & TE…
M00471869 ↗341 MADISON AVENUE
MANHATTAN
AlterationPermit Issued02/23/202102/26/2024MECHANICAL DEMO EQUIPMENT USE TO FACILITATE INTERIOR REMOVAL AS PER PLAN, EQUIPMENT: SKID STEER LOADER(BOBCAT S70), MINI EXCAVATOR(BOBCAT E1…
M00471803 ↗341 MADISON AVENUE
MANHATTAN
AlterationPermit Issued02/23/202102/07/2023Mechanical Demo Equipment use to facilitate interior removal located at 341 Madison Avenue. Equipment: Skid Steer Loader (Bobcat S70), Mini …
M00471969 ↗341 MADISON AVENUE
MANHATTAN
AlterationPermit Issued02/23/202102/07/2023MECHANICAL DEMO EQUIPMENT USE TO FACILITATE INTERIOR REMOVAL AT 347 MADISON AVE AS PER PLAN, EQUIPMENT: SKID STEER LOADER(BOBCAT S70), MINI …
M00492259 ↗343 MADISON AVENUE
MANHATTAN
AlterationSigned-off04/02/202102/07/2023PARTIAL DEMO INCLUDING SELECTIVE REMOVAL OF CONCRETE SLAB, MASONRY WALLS & SPANDREL BEAMSFOR FLOOR & WALL OPENINGS TO FACILITATE TRAVEL BETW…
M00492804 ↗343 MADISON AVENUE
MANHATTAN
AlterationSigned-off04/02/202102/07/2023PARTIAL DEMO INCLUDING SELECTIVE REMOVAL OF CONCRETE SLAB, MASONRY WALLS & SPANDREL BEAMS FOR FLOOR & WALL OPENINGS TO FACILITATE TRAVEL BET…
M00517161 ↗343 MADISON AVENUE
MANHATTAN
AlterationSigned-off05/24/202102/06/2023PARTIAL DEMO INCLUDING SELECTIVE REMOVAL OF CONCRETE SLAB, MASONRY WALLS & SPANDREL BEAMS FOR FLOOR & WALL OPENINGS TO FACILITATE TRAVEL BET…
M08024553 ↗201 WEST 14 STREET
MANHATTAN
AlterationSigned-off10/28/202211/04/2022Installation of emergency temporary shoring as per plans filed. No change in use, egress or occupancy.
M00541130 ↗561 GREENWICH STREET
MANHATTAN
AlterationSigned-off07/12/202107/11/2022Superstructure for new fifteen story commercial office building, in conjunction with BIS NB # 121206523. Estimated costs captured under NB a…
M00355512 ↗15 BEEKMAN STREET
MANHATTAN
AlterationSigned-off06/26/202004/22/2022STRUCTURAL APPLICATION IN CONJUNCTION WITH NEW BUILDING BIS-FILING.
B00498335 ↗242 MONTROSE AVENUE
BROOKLYN
AlterationSigned-off04/06/202104/21/2021Structural stabilization and temporary shoring to existing fire damage building.
B00498368 ↗246 MONTROSE AVENUE
BROOKLYN
AlterationSigned-off04/06/202104/20/2021Structural stabilization and temporary shoring of existing building damaged due to fire.
Click a row for this entity's own projects, plans and documents at that building.
BuildingFilingsMost Recent
235 EAST 42 STREET ↗108/11/2026
240 CENTRAL PARK SOUTH ↗112/05/2023
201 WEST 14 STREET ↗110/28/2022
15 BEEKMAN STREET ↗208/26/2022
561 GREENWICH STREET ↗304/27/2022
343 MADISON AVENUE ↗105/24/2021
246 MONTROSE AVENUE ↗104/06/2021
242 MONTROSE AVENUE ↗104/06/2021
343 MADISON AVENUE ↗104/02/2021
343 MADISON AVENUE ↗104/02/2021
341 MADISON AVENUE ↗302/23/2021
▾Special Inspection Requirements — 47
DateRequirementBuildingInspectorRole
07/30/2026Post-installed Anchors235 EAST 42 STREET—special
07/30/2026Structural Steel - Welding235 EAST 42 STREET—special
07/13/2026Final235 EAST 42 STREET—progress
07/13/2026Structural Stability – Alterations of existing buildings235 EAST 42 STREET—special
07/13/2026Structural Steel - Details235 EAST 42 STREET—special
09/03/2022Masonry15 BEEKMAN STREETYoung Suhspecial
09/03/2022Structural Cold-Formed Steel15 BEEKMAN STREETYoung Suhspecial
09/03/2022Structural Steel - Welding15 BEEKMAN STREETYoung Suhspecial
09/03/2022Concrete - Cast-In-Place15 BEEKMAN STREETSTEVEN WITKOWSKIspecial
09/03/2022Structural Steel - Details15 BEEKMAN STREETYoung Suhspecial
09/03/2022Final15 BEEKMAN STREETYoung Suhprogress
09/03/2022Structural Steel - High Strength Bolting15 BEEKMAN STREETYoung Suhspecial
08/24/2022Structural Cold-Formed Steel15 BEEKMAN STREETYoung Suhspecial
08/17/2022Concrete - Cast-In-Place15 BEEKMAN STREETSTEVEN WITKOWSKIspecial
08/17/2022Masonry15 BEEKMAN STREETYoung Suhspecial
08/17/2022Structural Steel - Details15 BEEKMAN STREETYoung Suhspecial
08/17/2022Structural Steel - High Strength Bolting15 BEEKMAN STREETYoung Suhspecial
08/17/2022Structural Steel - Welding15 BEEKMAN STREETYoung Suhspecial
08/17/2022Final15 BEEKMAN STREETYoung Suhprogress
05/23/2022Final561 GREENWICH STREETChristopher O'Malleyprogress
05/23/2022Concrete - Cast-In-Place561 GREENWICH STREETSTEVEN WITKOWSKIspecial
05/23/2022Masonry561 GREENWICH STREETChristopher O'Malleyspecial
05/23/2022Post-installed Anchors561 GREENWICH STREETChristopher O'Malleyspecial
05/23/2022Structural Stability – Alterations of existing buildings561 GREENWICH STREETChristopher O'Malleyspecial
05/23/2022Structural Steel - Details561 GREENWICH STREETChristopher O'Malleyspecial
05/23/2022Structural Steel - Welding561 GREENWICH STREETChristopher O'Malleyspecial
05/23/2022Structural Steel - High Strength Bolting561 GREENWICH STREETChristopher O'Malleyspecial
05/23/2022Subsurface Conditions – Fill Placement & In-Place Density561 GREENWICH STREETChristopher O'Malleyspecial
02/04/2022Structural Steel - Welding561 GREENWICH STREETChristopher O'Malleyspecial
02/04/2022Structural Steel - High Strength Bolting561 GREENWICH STREETChristopher O'Malleyspecial
02/04/2022Structural Steel - Details561 GREENWICH STREETChristopher O'Malleyspecial
02/04/2022Structural Stability – Alterations of existing buildings561 GREENWICH STREETChristopher O'Malleyspecial
02/04/2022Post-installed Anchors561 GREENWICH STREETChristopher O'Malleyspecial
02/04/2022Masonry561 GREENWICH STREETChristopher O'Malleyspecial
02/04/2022Concrete - Cast-In-Place561 GREENWICH STREETSTEVEN WITKOWSKIspecial
02/04/2022Final561 GREENWICH STREETChristopher O'Malleyprogress
02/04/2022Subsurface Conditions – Fill Placement & In-Place Density561 GREENWICH STREETChristopher O'Malleyspecial
03/25/2021Demolition343 MADISON AVENUEJames Feuerborn Jrspecial
03/25/2021Final343 MADISON AVENUEJames Feuerborn Jrprogress
03/25/2021Structural Stability – Alterations of existing buildings343 MADISON AVENUEJames Feuerborn Jrspecial
03/24/2021Final343 MADISON AVENUEJames Feuerborn Jrprogress
03/24/2021Structural Stability – Alterations of existing buildings343 MADISON AVENUEJames Feuerborn Jrspecial
03/24/2021Demolition343 MADISON AVENUEJames Feuerborn Jrspecial
02/17/2021Demolition341 MADISON AVENUEJames Feuerborn Jrspecial
02/17/2021Structural Stability – Alterations of existing buildings341 MADISON AVENUEJames Feuerborn Jrspecial
02/17/2021Demolition341 MADISON AVENUEJames Feuerborn Jrspecial
02/17/2021Structural Stability – Alterations of existing buildings341 MADISON AVENUEJames Feuerborn Jrspecial
▾Documents — 99 on file (BIS + DOB NOW)
▸Plans & Drawings18
▸DOB NOWPlans/Sketch12
Showing 3 of 12 on file for this type
▸DOB NOWPlans/Sketch - Structural3
Showing 2 of 3 on file for this type
▸DOB NOWPlans/Sketch - Protection of Mechanical Methods3
▸Applications & Permits2
▸DOB NOWLPC Approval/Permit2
08/13/2026M00935857-I1 · 240 CENTRAL PARK SOUTHOpen ↗
08/13/2026M00935857-S1 · 240 CENTRAL PARK SOUTHOpen ↗
▸Seals & Professional Certifications58
▸DOB NOWSpecial Inspector Seal & Signature33
09/01/2026M00492804-I1 · 343 MADISON AVENUEOpen ↗
09/01/2026M00492804-I1 · 343 MADISON AVENUEOpen ↗
09/01/2026M00541130-P1 · 561 GREENWICH STREETOpen ↗
Showing 3 of 33 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature18
09/27/2026M01430104-I1 · 235 EAST 42 STREETOpen ↗
09/04/2026M00471869-I1 · 343 MADISON AVENUEOpen ↗
09/03/2026M00517161-I1 · 343 MADISON AVENUEOpen ↗
Showing 3 of 18 on file for this type
▸DOB NOWProgress Inspector Seal & Signature7
09/01/2026M00492804-I1 · 343 MADISON AVENUEOpen ↗
09/01/2026M00541130-P1 · 561 GREENWICH STREETOpen ↗
08/27/2026M00355512-I1 · 15 BEEKMAN STREETOpen ↗
Showing 3 of 7 on file for this type
▸Environmental & Asbestos14
▸DOB NOWDEP ACP-5: Asbestos Assessment Report6
09/03/2026M00517161-I1 · 343 MADISON AVENUEOpen ↗
09/01/2026M08024553-I1 · 201 WEST 14 STREETOpen ↗
08/13/2026M00935857-S1 · 240 CENTRAL PARK SOUTHOpen ↗
Showing 3 of 6 on file for this type
▸DOB NOWOER: Notice to Proceed4
09/27/2026M01430104-I1 · 235 EAST 42 STREETOpen ↗
09/02/2026M00541130-P2 · 561 GREENWICH STREETOpen ↗
09/02/2026M00541130-I1 · 561 GREENWICH STREETOpen ↗
Showing 3 of 4 on file for this type
▸DOB NOWDEP ACP-20/ACP-21: Asbestos Project Conditional Completion Form/Asbestos Project Completion Form3
09/01/2026B00498368-I1 · 246 MONTROSE AVENUEOpen ↗
09/01/2026B00498335-I1 · 242 MONTROSE AVENUEOpen ↗
08/22/2026M01430104-I1 · 235 EAST 42 STREETOpen ↗
▸DOB NOWOER: Notice of Satisfaction1
09/02/2026M00541130-I1 · 561 GREENWICH STREETOpen ↗
▸Other Documents7
▸DOB NOWSURVEY: INITIAL3
09/02/2026M00541130-P2 · 561 GREENWICH STREETOpen ↗
09/02/2026M00541130-I1 · 561 GREENWICH STREETOpen ↗
Showing 2 of 3 on file for this type
▸DOB NOWPARTIAL DEMO: 10-DAY Notice3
09/03/2026M00517161-I1 · 343 MADISON AVENUEOpen ↗
08/13/2026M00492804-I1 · 343 MADISON AVENUEOpen ↗
08/13/2026M00492259-I1 · 343 MADISON AVENUEOpen ↗
▸DOB NOWDHCR Document1
08/13/2026M08024553-I1 · 201 WEST 14 STREETOpen ↗