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Entity
Deerfield
Tenant · filed under 2 names
2 projects with open permitsMANHATTAN · 6
1 building
6
Total Filings
6
Projects on File
1
Buildings Worked
2
Projects w/ Open Permits
Tenant
Primary Trade
Activity
Projects by first filing month6 projects all-time
0112May '20 · 1May '21 · 1Aug '23 · 1Oct '23 · 1Aug '25 · 1Feb '26 · 1202120222023202420252026
bars = month · line = 3-mo average
Portfolio status
Browse projects →
Open permit233%
Signed off350%
Filed only117%
By project type
Alteration6
Most active buildings
All buildings →
351 PARK AVENUE SOUTHMANHATTAN · 2 open · latest 02/06/2026
6 projects
Key relationships
Everyone →
Design firms
3 projects
2 projects
1 projects
1 projects
Filing representatives
5 projects
Filed under
Deerfield5Deerfield Management1
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
M01351933 ↗351 PARK AVENUE SOUTH
MANHATTAN
AlterationFiled — no permit on record02/06/2026—
Design ASDA ARCHITECTURE + DESIGN
Owner 345 PAS HOLDING, LLC
Filer METROPOLIS GROUP INC
—
M01253879 ↗351 PARK AVENUE SOUTH
MANHATTAN
AlterationPermit Issued08/07/202508/18/2025
Design JAROS BAUM & BOLLES
Owner 345 PAS HOLDINGS LLC
Contractor UNITY CONSTRUCTION GROUP
Filer METROPOLIS GROUP INC
HEREWITH FILING MECHANICAL WORK AS PER PLANS. NO CHANGE TO USE, EGRESS OR OCCUPANCY UNDER THIS APPLICATION.
M00907102 ↗351 PARK AVENUE SOUTH
MANHATTAN
AlterationSigned-off08/15/202304/19/2024
Design GENSLER
Owner 345 PAS HOLDINGS LLC
Contractor L&K PARTNERS, INC
Filer METROPOLIS GROUP INC
HEREWITH FILING FOR DEERFIELD TENANT FITOUT WORK. NO CHANGE TO USE, EGRESS OR OCCUPANCY UNDER THIS APPLICATION.
M00938828 ↗351 PARK AVENUE SOUTH
MANHATTAN
AlterationPermit Issued10/16/202310/18/2023
Design GENSLER
Owner 345 PAS HOLDINGS LLC
Contractor NEWGRANGE CONSTRUCTION CO
Filer METROPOLIS GROUP INC
HEREWITH FILING GENERAL CONSTRUCTION WORK AS PER PLANS.
M00515443 ↗351 PARK AVENUE SOUTH
MANHATTAN
AlterationSigned-off05/11/202106/02/2021
Design GENSLER
Owner 345 PAS HOLDINGS LLC
Contractor L&K PARTNERS, INC
Filer METROPOLIS GROUP INC
HEREWITH FILING FOR GENERAL CONSTRUCTION WORK FOR PENTHOUSE AMENITY SPACES.
M00346004 ↗351 PARK AVENUE SOUTH
MANHATTAN
AlterationSigned-off05/08/202008/25/2020
Design JAROS BAUM & BOLLES
Owner 345 PAS HOLDINGS LLC
Contractor FULL CAPACITY FIRE CORP
Filer METROPOLIS GROUP INC
MODIFICATION OF EXISTING SPRINKLER SYSTEM AS PER PLANS.
Counts cover all 6 projects (6 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
GENSLER310/16/2023
JAROS BAUM & BOLLES208/15/2025
ASDA ARCHITECTURE + DESIGN102/06/2026
TPG ARCHITECTURE, LLP108/15/2025
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
L&K PARTNERS, INC208/15/2023
AMI AND ASSOCIATES INC108/15/2025
MIDNIGHT EXPRESS MECH CRP102/22/2021
NEWGRANGE CONSTRUCTION CO110/16/2023
UNITY CONSTRUCTION GROUP108/15/2025
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
345 PAS HOLDINGS LLC508/15/2025
345 PAS HOLDING, LLC102/06/2026
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
METROPOLIS GROUP INC502/06/2026
6 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 6Open permit 2Signed off 3Filed only 1
6 projects
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01351933 ↗351 PARK AVENUE SOUTH
MANHATTAN
AlterationFiled — no permit on record02/06/2026—
Design ASDA ARCHITECTURE + DESIGN
Owner 345 PAS HOLDING, LLC
Filer METROPOLIS GROUP INC
—
M01253879 ↗351 PARK AVENUE SOUTH
MANHATTAN
AlterationPermit Issued08/07/202508/18/2025
Design JAROS BAUM & BOLLES
Owner 345 PAS HOLDINGS LLC
Contractor UNITY CONSTRUCTION GROUP
Filer METROPOLIS GROUP INC
HEREWITH FILING MECHANICAL WORK AS PER PLANS. NO CHANGE TO USE, EGRESS OR OCCUPANCY UNDER THIS APPLICATION.
M00907102 ↗351 PARK AVENUE SOUTH
MANHATTAN
AlterationSigned-off08/15/202304/19/2024
Design GENSLER
Owner 345 PAS HOLDINGS LLC
Contractor L&K PARTNERS, INC
Filer METROPOLIS GROUP INC
HEREWITH FILING FOR DEERFIELD TENANT FITOUT WORK. NO CHANGE TO USE, EGRESS OR OCCUPANCY UNDER THIS APPLICATION.
M00938828 ↗351 PARK AVENUE SOUTH
MANHATTAN
AlterationPermit Issued10/16/202310/18/2023
Design GENSLER
Owner 345 PAS HOLDINGS LLC
Contractor NEWGRANGE CONSTRUCTION CO
Filer METROPOLIS GROUP INC
HEREWITH FILING GENERAL CONSTRUCTION WORK AS PER PLANS.
M00515443 ↗351 PARK AVENUE SOUTH
MANHATTAN
AlterationSigned-off05/11/202106/02/2021
Design GENSLER
Owner 345 PAS HOLDINGS LLC
Contractor L&K PARTNERS, INC
Filer METROPOLIS GROUP INC
HEREWITH FILING FOR GENERAL CONSTRUCTION WORK FOR PENTHOUSE AMENITY SPACES.
M00346004 ↗351 PARK AVENUE SOUTH
MANHATTAN
AlterationSigned-off05/08/202008/25/2020
Design JAROS BAUM & BOLLES
Owner 345 PAS HOLDINGS LLC
Contractor FULL CAPACITY FIRE CORP
Filer METROPOLIS GROUP INC
MODIFICATION OF EXISTING SPRINKLER SYSTEM AS PER PLANS.
Click a row for this entity's own projects, plans and documents at that building.
BuildingFilingsMost Recent
351 PARK AVENUE SOUTH ↗602/06/2026
▾Documents — 42 on file (BIS + DOB NOW)
▸Plans & Drawings9
▸DOB NOWPlans/Sketch7
09/03/2026M00515443-I1 · 351 PARK AVENUE SOUTHRequest digital key ↗
08/29/2026M00907102-I1 · 351 PARK AVENUE SOUTHRequest digital key ↗
08/29/2026M00938828-I1 · 351 PARK AVENUE SOUTHRequest digital key ↗
Showing 3 of 7 on file for this type
▸DOB NOWPlans/Sketch - Sprinkler2
09/04/2026M00346004-P1 · 351 PARK AVENUE SOUTHRequest digital key ↗
08/14/2026M00346004-I1 · 351 PARK AVENUE SOUTHRequest digital key ↗
▸Seals & Professional Certifications16
▸DOB NOWDPL-1: Design Professional Seal & Signature9
08/29/2026M00938828-I1 · 351 PARK AVENUE SOUTHOpen ↗
08/22/2026M01253879-S2 · 351 PARK AVENUE SOUTHOpen ↗
08/22/2026M01253879-S1 · 351 PARK AVENUE SOUTHOpen ↗
Showing 3 of 9 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature4
09/23/2026M01253879-S2 · 351 PARK AVENUE SOUTHOpen ↗
08/24/2026M00346004-P1 · 351 PARK AVENUE SOUTHOpen ↗
08/24/2026M00346004-P1 · 351 PARK AVENUE SOUTHOpen ↗
Showing 3 of 4 on file for this type
▸DOB NOWProgress Inspector Seal & Signature3
09/22/2026M00907102-I1 · 351 PARK AVENUE SOUTHOpen ↗
08/28/2026M01351933-I1 · 351 PARK AVENUE SOUTHOpen ↗
08/25/2026M01253879-I1 · 351 PARK AVENUE SOUTHOpen ↗
▸Environmental & Asbestos9
▸DOB NOWDEP ACP-5: Asbestos Assessment Report9
08/29/2026M00938828-I1 · 351 PARK AVENUE SOUTHOpen ↗
08/22/2026M01253879-S1 · 351 PARK AVENUE SOUTHOpen ↗
08/22/2026M01253879-I1 · 351 PARK AVENUE SOUTHOpen ↗
Showing 3 of 9 on file for this type
▸Approvals, Objections & Sign-offs4
▸DOB NOWFee Exempt Supporting Document - DOF ACRIS report or BIB letter4
08/13/2026M01253879-I1 · 351 PARK AVENUE SOUTHOpen ↗
08/13/2026M01253879-S2 · 351 PARK AVENUE SOUTHOpen ↗
08/13/2026M01351933-I1 · 351 PARK AVENUE SOUTHOpen ↗
Showing 3 of 4 on file for this type
▸Other Documents4
▸DOB NOWProof of Historic Building4
08/13/2026M01351933-I1 · 351 PARK AVENUE SOUTHOpen ↗
08/13/2026M01253879-I1 · 351 PARK AVENUE SOUTHOpen ↗
08/13/2026M00907102-I1 · 351 PARK AVENUE SOUTHOpen ↗
Showing 3 of 4 on file for this type