← Back
Entity
Lowenstein Sandler
Tenant
5 projects with open permitsMANHATTAN · 13
1 building
13
Total Filings
13
Projects on File
1
Buildings Worked
5
Projects w/ Open Permits
Tenant
Primary Trade
Activity
Projects by first filing month13 projects all-time
0246Jul '23 · 3Oct '23 · 5Mar '26 · 5202420252026
bars = month · line = 3-mo average
Portfolio status
Browse projects →
Open permit538%
Signed off862%
By project type
Alteration13
Most active buildings
All buildings →
1251 AVENUE OF THE AMERMANHATTAN · 5 open · latest 04/27/2026
13 projects
Key relationships
Everyone →
Design firms
9 projects
3 projects
1 projects
Filing representatives
12 projects
Most recent projects
All projects →
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01357551 ↗1251 AVENUE OF THE AMER
MANHATTAN
AlterationPermit Issued03/09/202604/27/2026
Design ROBERT DERECTOR ASSOCIATES
Owner 1251 AMERICAS ASSOCIATES II, L.P.
Contractor ABCO-PEERLESS SPRKLR CORP
Filer RIZZO GROUP
Install (192) new sprinkler heads and (26) temp heads on 17th Floor and (379) new heads, (45) temp heads and remove (1) FHR and install (1) …
M01357433 ↗1251 AVENUE OF THE AMER
MANHATTAN
AlterationPermit Issued03/09/202604/14/2026
Design ROBERT DERECTOR ASSOCIATES
Owner 1251 AMERICAS ASSOCIATES II, L.P.
Contractor PAR PLUMBING CO., INC
Filer RIZZO GROUP
Removal, replacement and installation of new plumbing fixtures and associated CW/sanitary piping on the 17-18th Floors as per plans (Lowenst…
M01357346 ↗1251 AVENUE OF THE AMER
MANHATTAN
AlterationPermit Issued03/11/202603/23/2026
Design GENSLER
Owner 1251 AMERICAS ASSOCIATES II, L.P.
Contractor STRUCTURE TONE, LLC
Filer RIZZO GROUP
Minor interior demolition. Installation of new interior partitions, suspended ceilings, flooring and finishes on the 17-18th Floor as per pl…
M01357377 ↗1251 AVENUE OF THE AMER
MANHATTAN
AlterationPermit Issued03/09/202603/12/2026
Design THORNTON TOMASETTI
Owner 1251 AMERICAS ASSOCIATES II, L.P.
Contractor STRUCTURE TONE, LLC
Filer RIZZO GROUP
Structural Modifications: Install new structural steel at existing interconnecting stair to support new glass guardrail between the 17-18th …
M01357393 ↗1251 AVENUE OF THE AMER
MANHATTAN
AlterationPermit Issued03/09/202603/12/2026
Design ROBERT DERECTOR ASSOCIATES
Owner 1251 AMERICAS ASSOCIATES II, L.P.
Contractor STRUCTURE TONE, LLC
Filer RIZZO GROUP
Modifications to the existing HVAC System: Install new ductwork, chilled water system, associated insulation, VAVs, (2) CRAH units, (1) Chil…
M00876227 ↗1251 AVENUE OF THE AMER
MANHATTAN
AlterationSigned-off10/11/202310/26/2023
Design ROBERT DERECTOR ASSOCIATES
Owner 1251 AMERICAS ASSOCIATES II, L.P.
Contractor LAB PLBG & HTG CO INC
Filer RIZZO GROUP
Modifications to the existing plumbing system on the 19th floor (Lowenstein) as per plans. No change to use, egress or occupancy.
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
ROBERT DERECTOR ASSOCIATES903/09/2026
GENSLER303/11/2026
THORNTON TOMASETTI103/09/2026
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
STRUCTURE TONE, LLC703/11/2026
PAR FIRE PROTECTION LLC204/08/2024
ABCO-PEERLESS SPRKLR CORP103/09/2026
LAB PLBG & HTG CO INC110/11/2023
PAR PLUMBING CO., INC103/09/2026
SIRINA FIRE PROT CORP107/05/2023
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
1251 AMERICAS ASSOCIATES II, L.P.1203/11/2026
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
RIZZO GROUP1203/11/2026
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 5Signed off 8
13 projects
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01357551 ↗1251 AVENUE OF THE AMER
MANHATTAN
AlterationPermit Issued03/09/202604/27/2026
Design ROBERT DERECTOR ASSOCIATES
Owner 1251 AMERICAS ASSOCIATES II, L.P.
Contractor ABCO-PEERLESS SPRKLR CORP
Filer RIZZO GROUP
Install (192) new sprinkler heads and (26) temp heads on 17th Floor and (379) new heads, (45) temp heads and remove (1) FHR and install (1) …
M01357433 ↗1251 AVENUE OF THE AMER
MANHATTAN
AlterationPermit Issued03/09/202604/14/2026
Design ROBERT DERECTOR ASSOCIATES
Owner 1251 AMERICAS ASSOCIATES II, L.P.
Contractor PAR PLUMBING CO., INC
Filer RIZZO GROUP
Removal, replacement and installation of new plumbing fixtures and associated CW/sanitary piping on the 17-18th Floors as per plans (Lowenst…
M01357346 ↗1251 AVENUE OF THE AMER
MANHATTAN
AlterationPermit Issued03/11/202603/23/2026
Design GENSLER
Owner 1251 AMERICAS ASSOCIATES II, L.P.
Contractor STRUCTURE TONE, LLC
Filer RIZZO GROUP
Minor interior demolition. Installation of new interior partitions, suspended ceilings, flooring and finishes on the 17-18th Floor as per pl…
M01357377 ↗1251 AVENUE OF THE AMER
MANHATTAN
AlterationPermit Issued03/09/202603/12/2026
Design THORNTON TOMASETTI
Owner 1251 AMERICAS ASSOCIATES II, L.P.
Contractor STRUCTURE TONE, LLC
Filer RIZZO GROUP
Structural Modifications: Install new structural steel at existing interconnecting stair to support new glass guardrail between the 17-18th …
M01357393 ↗1251 AVENUE OF THE AMER
MANHATTAN
AlterationPermit Issued03/09/202603/12/2026
Design ROBERT DERECTOR ASSOCIATES
Owner 1251 AMERICAS ASSOCIATES II, L.P.
Contractor STRUCTURE TONE, LLC
Filer RIZZO GROUP
Modifications to the existing HVAC System: Install new ductwork, chilled water system, associated insulation, VAVs, (2) CRAH units, (1) Chil…
M00876227 ↗1251 AVENUE OF THE AMER
MANHATTAN
AlterationSigned-off10/11/202310/26/2023
Design ROBERT DERECTOR ASSOCIATES
Owner 1251 AMERICAS ASSOCIATES II, L.P.
Contractor LAB PLBG & HTG CO INC
Filer RIZZO GROUP
Modifications to the existing plumbing system on the 19th floor (Lowenstein) as per plans. No change to use, egress or occupancy.
M00876224 ↗1251 AVENUE OF THE AMER
MANHATTAN
AlterationSigned-off10/18/202310/23/2023
Design ROBERT DERECTOR ASSOCIATES
Owner 1251 AMERICAS ASSOCIATES II, L.P.
Contractor STRUCTURE TONE, LLC
Filer RIZZO GROUP
Modifications to the existing HVAC system on the 19th floor (Lowenstein) as per plans. No change to use, egress or occupancy.
M00876234 ↗1251 AVENUE OF THE AMER
MANHATTAN
AlterationSigned-off10/11/202310/20/2023
Design ROBERT DERECTOR ASSOCIATES
Owner 1251 AMERICAS ASSOCIATES II, L.P.
Contractor LAWRENCE J. LEVINE
Filer RIZZO GROUP
Modifications to the existing sprinkler system on the 19th floor (Lowenstein) as per plans. No change to use, egress or occupancy.
M00876236 ↗1251 AVENUE OF THE AMER
MANHATTAN
AlterationSigned-off10/11/202310/20/2023
Design ROBERT DERECTOR ASSOCIATES
Owner 1251 AMERICAS ASSOCIATES II, L.P.
Contractor LAWRENCE J. LEVINE
Filer RIZZO GROUP
Modifications to the existing standpipe system on the 19th floor (Lowenstein) as per plans. No change to use, egress or occupancy.
M00876214 ↗1251 AVENUE OF THE AMER
MANHATTAN
AlterationSigned-off10/02/202310/10/2023
Design GENSLER
Contractor STRUCTURE TONE, LLC
Installation of new partitions, doors, suspended ceilings and finishes on the 19th floor (Lowenstein) as per plans. No change to use, egress…
M00893789 ↗1251 AVENUE OF THE AMER
MANHATTAN
AlterationSigned-off07/05/202308/15/2023
Design ROBERT DERECTOR ASSOCIATES
Owner 1251 AMERICAS ASSOCIATES II, L.P.
Contractor SIRINA FIRE PROT CORP
Filer RIZZO GROUP
Removal of existing sprinkler system with installation of a temporary loop on the 19th floor (Lowenstein- Demo Phase) as per plans. No chang…
M00893710 ↗1251 AVENUE OF THE AMER
MANHATTAN
AlterationSigned-off07/10/202307/17/2023
Design GENSLER
Owner 1251 AMERICAS ASSOCIATES II, L.P.
Contractor STRUCTURE TONE, LLC
Filer RIZZO GROUP
Removal and disposal of interior partitions, doors, suspended ceilings, finishes and stair with temp wall and door on floor below (Lowenstei…
M00893766 ↗1251 AVENUE OF THE AMER
MANHATTAN
AlterationSigned-off07/05/202307/17/2023
Design ROBERT DERECTOR ASSOCIATES
Owner 1251 AMERICAS ASSOCIATES II, L.P.
Contractor STRUCTURE TONE, LLC
Filer RIZZO GROUP
HVAC removals on the 19th floor (Lowenstein- Demo Phase) as per plans. No change to use, egress or occupancy.
Click a row for this entity's own projects, plans and documents at that building.
BuildingFilingsMost Recent
1251 AVENUE OF THE AMER ↗1303/11/2026
▾Documents — 65 on file (BIS + DOB NOW)
▸Plans & Drawings15
▸DOB NOWPlans/Sketch15
08/30/2026M00893789-I1 · 1251 AVENUE OF THE AMERRequest digital key ↗
08/30/2026M00893766-I1 · 1251 AVENUE OF THE AMERRequest digital key ↗
08/30/2026M00893710-I1 · 1251 AVENUE OF THE AMERRequest digital key ↗
Showing 3 of 15 on file for this type
▸Seals & Professional Certifications35
▸DOB NOWDPL-1: Design Professional Seal & Signature15
08/30/2026M00893789-I1 · 1251 AVENUE OF THE AMEROpen ↗
08/30/2026M00893766-I1 · 1251 AVENUE OF THE AMEROpen ↗
08/30/2026M00893710-I1 · 1251 AVENUE OF THE AMEROpen ↗
Showing 3 of 15 on file for this type
▸DOB NOWProgress Inspector Seal & Signature10
08/31/2026M00876224-P1 · 1251 AVENUE OF THE AMEROpen ↗
08/31/2026M00876224-P1 · 1251 AVENUE OF THE AMEROpen ↗
08/31/2026M00876224-P1 · 1251 AVENUE OF THE AMEROpen ↗
Showing 3 of 10 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature10
08/31/2026M00876224-P1 · 1251 AVENUE OF THE AMEROpen ↗
08/29/2026M00876224-I1 · 1251 AVENUE OF THE AMEROpen ↗
08/28/2026M01357377-I1 · 1251 AVENUE OF THE AMEROpen ↗
Showing 3 of 10 on file for this type
▸Environmental & Asbestos15
▸DOB NOWDEP ACP-5: Asbestos Assessment Report15
08/30/2026M00893789-I1 · 1251 AVENUE OF THE AMEROpen ↗
08/30/2026M00893766-I1 · 1251 AVENUE OF THE AMEROpen ↗
08/30/2026M00893710-I1 · 1251 AVENUE OF THE AMEROpen ↗
Showing 3 of 15 on file for this type