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Entity
Pomerantz
Tenant · filed under 2 names
MANHATTAN · 4
1 building
4
Total Filings
4
Projects on File
1
Buildings Worked
0
Projects w/ Open Permits
Tenant
Primary Trade
Activity
Projects by first filing month4 projects all-time
0134Mar '20 · 3Jul '25 · 120212022202320242025
bars = month · line = 3-mo average
Portfolio status
Browse projects →
Signed off4100%
By project type
Alteration4
Most active buildings
All buildings →
600 3 AVENUEMANHATTAN · latest 01/08/2026
4 projects
Key relationships
Everyone →
Design firms
3 projects
1 projects
Filing representatives
1 projects
Owners
4 projects
Filed under
Pomerantz3Pomerantzllp1
Identified by the contact ids of the people who file for the firm and by its email domain, not by matching names.
Most recent projects
All projects →
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01246693 ↗600 3 AVENUE
MANHATTAN
AlterationSigned-off07/22/202501/08/2026
Design KAHN ARCHITECTURE & DESIGN PC
Owner L & L HOLDING
Contractor BLACK BULL BULDERS LLC
Filer RIZZO GROUP
General Construction modifications to include demo work and interior renovations on the 20th floor as per plans filed herewith. No change in…
M00317542 ↗600 3 AVENUE
MANHATTAN
AlterationSigned-off03/17/202004/05/2021
Design FMC ENGINEERING
Owner L & L HOLDING
Contractor AGGRESSIVE FIRE PROT LLC
Filer RIZZO GROUP
SPRINKLER MODIFICATIONS TAKING PLACE ON THE 21ST FLOOR AS INDICATED ON THE DRAWINGS. NO CHANGE TO USE, EGRESS NOR OCCUPANCY.
M00317756 ↗600 3 AVENUE
MANHATTAN
AlterationSigned-off03/19/202008/16/2020
Design FMC ENGINEERING
Owner L & L HOLDING
Contractor CLUNE CONSTRUCTION CO LP
Filer RIZZO GROUP
MECHANICAL MODIFICATIONS TAKING PLACE ON THE 21ST FLOOR AS INDICATED ON THE DRAWINGS. NO CHANGE TO USE, EGRESS NOR OCCUPANCY.
M00317531 ↗600 3 AVENUE
MANHATTAN
AlterationSigned-off03/17/202003/23/2020
Design FMC ENGINEERING
Owner L & L HOLDING
Contractor PAR PLUMBING CO., INC
Filer RIZZO GROUP
PLUMBING MODIFICATIONS TAKING PLACE ON THE 21ST FLOOR AS INDICATED ON THE DRAWINGS. NO CHANGE TO USE, EGRESS NOR OCCUPANCY.
Counts cover all 4 projects (4 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
FMC ENGINEERING301/13/2021
KAHN ARCHITECTURE & DESIGN PC107/22/2025
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
AGGRESSIVE FIRE PROT LLC101/13/2021
BLACK BULL BULDERS LLC107/22/2025
CLUNE CONSTRUCTION CO LP103/19/2020
PAR PLUMBING CO., INC103/17/2020
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
L&L HOLDING COMPANY LLC407/22/2025
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
RIZZO GROUP107/22/2025
4 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 4Signed off 4
4 projects
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01246693 ↗600 3 AVENUE
MANHATTAN
AlterationSigned-off07/22/202501/08/2026
Design KAHN ARCHITECTURE & DESIGN PC
Owner L & L HOLDING
Contractor BLACK BULL BULDERS LLC
Filer RIZZO GROUP
General Construction modifications to include demo work and interior renovations on the 20th floor as per plans filed herewith. No change in…
M00317542 ↗600 3 AVENUE
MANHATTAN
AlterationSigned-off03/17/202004/05/2021
Design FMC ENGINEERING
Owner L & L HOLDING
Contractor AGGRESSIVE FIRE PROT LLC
Filer RIZZO GROUP
SPRINKLER MODIFICATIONS TAKING PLACE ON THE 21ST FLOOR AS INDICATED ON THE DRAWINGS. NO CHANGE TO USE, EGRESS NOR OCCUPANCY.
M00317756 ↗600 3 AVENUE
MANHATTAN
AlterationSigned-off03/19/202008/16/2020
Design FMC ENGINEERING
Owner L & L HOLDING
Contractor CLUNE CONSTRUCTION CO LP
Filer RIZZO GROUP
MECHANICAL MODIFICATIONS TAKING PLACE ON THE 21ST FLOOR AS INDICATED ON THE DRAWINGS. NO CHANGE TO USE, EGRESS NOR OCCUPANCY.
M00317531 ↗600 3 AVENUE
MANHATTAN
AlterationSigned-off03/17/202003/23/2020
Design FMC ENGINEERING
Owner L & L HOLDING
Contractor PAR PLUMBING CO., INC
Filer RIZZO GROUP
PLUMBING MODIFICATIONS TAKING PLACE ON THE 21ST FLOOR AS INDICATED ON THE DRAWINGS. NO CHANGE TO USE, EGRESS NOR OCCUPANCY.
Click a row for this entity's own projects, plans and documents at that building.
BuildingFilingsMost Recent
600 3 AVENUE ↗407/22/2025
▾Documents — 23 on file (BIS + DOB NOW)
▸Plans & Drawings5
▸DOB NOWPlans/Sketch - Sprinkler2
09/05/2026M00317542-I1 · 600 3 AVENUERequest digital key ↗
08/15/2026M00317542-P1 · 600 3 AVENUERequest digital key ↗
▸DOB NOWPlans/Sketch1
08/22/2026M01246693-I1 · 600 3 AVENUERequest digital key ↗
▸DOB NOWPlans/Sketch - Plumbing1
09/05/2026M00317531-I1 · 600 3 AVENUERequest digital key ↗
▸DOB NOWPlans/Sketch - Mechanical Systems1
09/05/2026M00317756-I1 · 600 3 AVENUERequest digital key ↗
▸Seals & Professional Certifications13
▸DOB NOWProgress Inspector Seal & Signature6
08/28/2026M00317756-I1 · 600 3 AVENUEOpen ↗
08/28/2026M00317756-I1 · 600 3 AVENUEOpen ↗
08/28/2026M00317756-I1 · 600 3 AVENUEOpen ↗
Showing 3 of 6 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature5
09/05/2026M00317756-I1 · 600 3 AVENUEOpen ↗
08/13/2026M00317542-I1 · 600 3 AVENUEOpen ↗
08/13/2026M00317542-P1 · 600 3 AVENUEOpen ↗
Showing 3 of 5 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature2
08/28/2026M00317756-I1 · 600 3 AVENUEOpen ↗
08/27/2026M00317542-P1 · 600 3 AVENUEOpen ↗
▸Environmental & Asbestos5
▸DOB NOWDEP ACP-5: Asbestos Assessment Report5
09/05/2026M00317756-I1 · 600 3 AVENUEOpen ↗
08/13/2026M01246693-I1 · 600 3 AVENUEOpen ↗
08/13/2026M00317542-P1 · 600 3 AVENUEOpen ↗
Showing 3 of 5 on file for this type