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Entity
Aquarian Holdings
Tenant
1 project with open permitsMANHATTAN · 7
3 buildings
7
Total Filings
7
Projects on File
3
Buildings Worked
1
Projects w/ Open Permits
Tenant
Primary Trade
Activity
Projects by first filing month7 projects all-time
0123Oct '19 · 1Sep '22 · 1Jan '23 · 2Jun '25 · 1Jul '25 · 2202020212022202320242025
bars = month · line = 3-mo average
Portfolio status
Browse projects →
Open permit114%
Signed off686%
By project type
Alteration7
Most active buildings
All buildings →
450 WEST 14 STREETMANHATTAN · latest 04/04/2025
3 projects
550 MADISON AVENUEMANHATTAN · 1 open · latest 09/25/2026
3 projects
40 10 AVENUEMANHATTAN · latest 11/07/2019
1 projects
Key relationships
Everyone →
Filing representatives
1 projects
1 projects
Most recent projects
All projects →
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01219921 ↗550 MADISON AVENUE
MANHATTAN
AlterationPermit Issued06/27/202509/25/2026
Design GENSLER
Contractor JT MAGEN & COMPANY INC
Interior renovations as per plans filed herewith. No change to use, egress or occupancy.
M01219933 ↗550 MADISON AVENUE
MANHATTAN
AlterationSigned-off07/09/202509/26/2025
Contractor JT MAGEN & COMPANY INC
Mechanical modifications as per plans filed herewith. No change to use, egress or occupancy.
M01219948 ↗550 MADISON AVENUE
MANHATTAN
AlterationSigned-off07/07/202507/14/2025
Design AMA CONSULTING ENGINEERS, PC
Owner OAC 550 OWNER LLC
Contractor LAWRENCE J. LEVINE
Filer A1 EXPEDITING SERVICE CORP.
Sprinkler/Plumbing modifications as per plans filed herewith. No change to use, egress or occupancy.
M00803116 ↗450 WEST 14 STREET
MANHATTAN
AlterationSigned-off01/03/202304/04/2025
Design JACK GREEN ASSOCIATES
Contractor STANDARD FIRE SUPP CORP
Relocating and replacing sprinkler heads. Replacing plumbing fixtures on existing roughing and new fixtures. No change in use, occupancy or …
M00802800 ↗450 WEST 14 STREET
MANHATTAN
AlterationSigned-off01/03/202308/17/2023
Design JACK GREEN ASSOCIATES
Owner Highline Development-LLC-C/O Mack M
Contractor W.J. REGAN & COMPANY LLC
Filer PAUL D. HOFHERR
Relocate and refabricate existing and additional ductwork. No change in use, occupancy or egress under this application.
M00786170 ↗450 WEST 14 STREET
MANHATTAN
AlterationSigned-off09/15/202212/20/2022
Design ZASKORSKI & ASSOCIATES ARCHITECTS
Owner Highline Development-LLC-C/O Mack M
Contractor W.J. REGAN & COMPANY LLC
General Construction to include new partitions, doors and painting. No change in use, occupancy or egress under this application.
Counts cover all 7 projects (7 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
JACK GREEN ASSOCIATES201/03/2023
AMA CONSULTING ENGINEERS, PC105/21/2026
GEA CONSULTING ENGINEERS106/18/2020
GENSLER106/27/2025
ZASKORSKI & ASSOCIATES ARCHITECTS109/15/2022
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
JT MAGEN & COMPANY INC207/09/2025
W.J. REGAN & COMPANY LLC201/03/2023
ASHLAND PLUMBING CORP105/21/2026
MARINE PLUMBING & MECH IN106/18/2020
PAR FIRE PROTECTION LLC105/21/2026
S & J INDUSTRIAL CORP106/18/2020
STANDARD FIRE PROTECT LLC101/03/2023
STANDARD PLBG SVS LLC101/03/2023
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
Highline Development-LLC-C/O Mack M201/03/2023
OAC 550 OWNER LLC105/21/2026
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
A1 EXPEDITING SERVICE CORP.105/21/2026
PAUL D. HOFHERR101/03/2023
7 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 7Open permit 1Signed off 6
7 projects
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01219921 ↗550 MADISON AVENUE
MANHATTAN
AlterationPermit Issued06/27/202509/25/2026
Design GENSLER
Contractor JT MAGEN & COMPANY INC
Interior renovations as per plans filed herewith. No change to use, egress or occupancy.
M01219933 ↗550 MADISON AVENUE
MANHATTAN
AlterationSigned-off07/09/202509/26/2025
Contractor JT MAGEN & COMPANY INC
Mechanical modifications as per plans filed herewith. No change to use, egress or occupancy.
M01219948 ↗550 MADISON AVENUE
MANHATTAN
AlterationSigned-off07/07/202507/14/2025
Design AMA CONSULTING ENGINEERS, PC
Owner OAC 550 OWNER LLC
Contractor LAWRENCE J. LEVINE
Filer A1 EXPEDITING SERVICE CORP.
Sprinkler/Plumbing modifications as per plans filed herewith. No change to use, egress or occupancy.
M00803116 ↗450 WEST 14 STREET
MANHATTAN
AlterationSigned-off01/03/202304/04/2025
Design JACK GREEN ASSOCIATES
Contractor STANDARD FIRE SUPP CORP
Relocating and replacing sprinkler heads. Replacing plumbing fixtures on existing roughing and new fixtures. No change in use, occupancy or …
M00802800 ↗450 WEST 14 STREET
MANHATTAN
AlterationSigned-off01/03/202308/17/2023
Design JACK GREEN ASSOCIATES
Owner Highline Development-LLC-C/O Mack M
Contractor W.J. REGAN & COMPANY LLC
Filer PAUL D. HOFHERR
Relocate and refabricate existing and additional ductwork. No change in use, occupancy or egress under this application.
M00786170 ↗450 WEST 14 STREET
MANHATTAN
AlterationSigned-off09/15/202212/20/2022
Design ZASKORSKI & ASSOCIATES ARCHITECTS
Owner Highline Development-LLC-C/O Mack M
Contractor W.J. REGAN & COMPANY LLC
General Construction to include new partitions, doors and painting. No change in use, occupancy or egress under this application.
M00233424 ↗40 10 AVENUE
MANHATTAN
AlterationSigned-off10/21/201911/07/2019
Design GEA CONSULTING ENGINEERS
Contractor MARINE PLUMBING & MECH IN
Filer ADAM MAISER
INTERIOR BUILD-OUT OF AN EXISTING OFFICE SPACE LOCATED ON THE 6TH FLOOR IN CONJUNCTION WITH NB APPLICATION #121190148. PLUMBING AND SPRINKLE…
Click a row for this entity's own projects, plans and documents at that building.
BuildingFilingsMost Recent
550 MADISON AVENUE ↗305/21/2026
450 WEST 14 STREET ↗301/03/2023
40 10 AVENUE ↗106/18/2020
▾Documents — 54 on file (BIS + DOB NOW)
▸Plans & Drawings13
▸DOB NOWPlans/Sketch9
09/01/2026M00786170-I1 · 450 WEST 14 STREETRequest digital key ↗
09/01/2026M00802800-I1 · 450 WEST 14 STREETRequest digital key ↗
09/01/2026M00803116-I1 · 450 WEST 14 STREETRequest digital key ↗
Showing 3 of 9 on file for this type
▸DOB NOWPlans/Sketch - Sprinkler2
09/04/2026M00233424-I1 · 40 10 AVENUERequest digital key ↗
08/15/2026M00233424-P1 · 40 10 AVENUERequest digital key ↗
▸DOB NOWPlans/Sketch - Plumbing2
09/04/2026M00233424-I1 · 40 10 AVENUERequest digital key ↗
08/15/2026M00233424-P1 · 40 10 AVENUERequest digital key ↗
▸Applications & Permits6
▸DOB NOWLPC Approval/Permit6
08/17/2026M01219948-P3 · 550 MADISON AVENUEOpen ↗
08/13/2026M01219921-I1 · 550 MADISON AVENUEOpen ↗
08/13/2026M01219933-I1 · 550 MADISON AVENUEOpen ↗
Showing 3 of 6 on file for this type
▸Seals & Professional Certifications20
▸DOB NOWDPL-1: Design Professional Seal & Signature11
09/04/2026M00233424-I1 · 40 10 AVENUEOpen ↗
09/01/2026M00786170-I1 · 450 WEST 14 STREETOpen ↗
09/01/2026M00802800-I1 · 450 WEST 14 STREETOpen ↗
Showing 3 of 11 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature6
08/29/2026M01219948-I1 · 550 MADISON AVENUEOpen ↗
08/25/2026M01219948-P2 · 550 MADISON AVENUEOpen ↗
08/25/2026M01219948-P1 · 550 MADISON AVENUEOpen ↗
Showing 3 of 6 on file for this type
▸DOB NOWProgress Inspector Seal & Signature3
08/25/2026M00786170-I1 · 450 WEST 14 STREETOpen ↗
08/25/2026M00786170-I1 · 450 WEST 14 STREETOpen ↗
08/22/2026M00802800-I1 · 450 WEST 14 STREETOpen ↗
▸Environmental & Asbestos9
▸DOB NOWDEP ACP-5: Asbestos Assessment Report9
09/01/2026M00786170-I1 · 450 WEST 14 STREETOpen ↗
09/01/2026M00802800-I1 · 450 WEST 14 STREETOpen ↗
09/01/2026M00803116-I1 · 450 WEST 14 STREETOpen ↗
Showing 3 of 9 on file for this type
▸Other Documents6
▸DOB NOWProof of Historic Building6
08/13/2026M01219921-I1 · 550 MADISON AVENUEOpen ↗
08/13/2026M01219933-I1 · 550 MADISON AVENUEOpen ↗
Showing 2 of 6 on file for this type