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Tenant
MANHATTAN · 3
1 building
3
Total Filings
3
Projects on File
1
Buildings Worked
0
Projects w/ Open Permits
Tenant
Primary Trade
Activity
Projects by first filing month3 projects all-time
0123Oct '20 · 2Nov '20 · 1Oct '20Nov '20
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Signed off3100%
By project type
Alteration3
Most active buildings
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520 MADISON AVENUEMANHATTAN · latest 12/10/2020
3 projects
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Design firms
Contractors
Most recent projects
All projects →
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M00399979 ↗520 MADISON AVENUE
MANHATTAN
AlterationSigned-off10/28/202012/10/2020Modifications of existing sprinkler system as per plans. No change in use, egress or occupancy.
M00399994 ↗520 MADISON AVENUE
MANHATTAN
AlterationSigned-off11/03/202011/05/2020
Contractor PREFERRED MECHANICAL INC
Installation of new plumbing fixtures as per plans. No change to use, egress or occupancy.
M00400214 ↗520 MADISON AVENUE
MANHATTAN
AlterationSigned-off10/28/202011/04/2020Installation of ductwork as per plans. No change to use, egress or occupancy.
Counts cover all 3 projects (3 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 Associates304/22/2021
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
JT Magen & Company110/28/2020
Preferred Mechanical111/03/2020
Sirina Fire Protection104/22/2021
3 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 3Signed off 3
3 projects
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M00399979 ↗520 MADISON AVENUE
MANHATTAN
AlterationSigned-off10/28/202012/10/2020Modifications of existing sprinkler system as per plans. No change in use, egress or occupancy.
M00399994 ↗520 MADISON AVENUE
MANHATTAN
AlterationSigned-off11/03/202011/05/2020
Contractor PREFERRED MECHANICAL INC
Installation of new plumbing fixtures as per plans. No change to use, egress or occupancy.
M00400214 ↗520 MADISON AVENUE
MANHATTAN
AlterationSigned-off10/28/202011/04/2020Installation of ductwork 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
520 MADISON AVENUE ↗304/22/2021
▾Documents — 19 on file (BIS + DOB NOW)
▸Plans & Drawings4
▸DOB NOWPlans/Sketch - Sprinkler2
▸DOB NOWPlans/Sketch - Mechanical Systems1
▸DOB NOWPlans/Sketch - Plumbing1
▸Seals & Professional Certifications10
▸DOB NOWProgress Inspector Seal & Signature5
09/01/2026M00400214-I1 · 520 MADISON AVENUEOpen ↗
09/01/2026M00400214-I1 · 520 MADISON AVENUEOpen ↗
09/01/2026M00400214-I1 · 520 MADISON AVENUEOpen ↗
Showing 3 of 5 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature4
09/04/2026M00399979-P1 · 520 MADISON AVENUEOpen ↗
09/04/2026M00399979-I1 · 520 MADISON AVENUEOpen ↗
08/13/2026M00400214-I1 · 520 MADISON AVENUEOpen ↗
Showing 3 of 4 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature1
09/01/2026M00400214-I1 · 520 MADISON AVENUEOpen ↗
▸Environmental & Asbestos4
▸DOB NOWDEP ACP-5: Asbestos Assessment Report4
09/04/2026M00399979-P1 · 520 MADISON AVENUEOpen ↗
09/04/2026M00399979-I1 · 520 MADISON AVENUEOpen ↗
08/13/2026M00399994-I1 · 520 MADISON AVENUEOpen ↗
Showing 3 of 4 on file for this type
▸Energy Compliance1
▸DOB NOWEN2: As Built Energy Analysis.1
08/13/2026M00400214-I1 · 520 MADISON AVENUEOpen ↗