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Entity
Christ Church Day School
Tenant
MANHATTAN · 1
1 building
1
Total Filings
1
Projects on File
1
Buildings Worked
0
Projects w/ Open Permits
Tenant
Primary Trade
Activity
Not enough dated projects to chart.
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Filed only1100%
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Alteration1
Most active buildings
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520 PARK AVENUEMANHATTAN · latest 05/13/2026
1 projects
Key relationships
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Design firms
1 projects
Filing representatives
1 projects
Owners
1 projects
Most recent projects
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ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01390975 ↗520 PARK AVENUE
MANHATTAN
AlterationFiled — no permit on record05/13/2026—
Design AMIE SACHS ARCHITECTS
Owner CHRIST CHURCH
Filer CONSTRUCTION PERMIT SERVICES
—
Counts cover all 1 projects (1 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
AMIE SACHS ARCHITECTS105/13/2026
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
CHRIST CHURCH105/13/2026
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
CONSTRUCTION PERMIT SERVICES105/13/2026
1 DOB NOW project, 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 1Filed only 1
1 project
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01390975 ↗520 PARK AVENUE
MANHATTAN
AlterationFiled — no permit on record05/13/2026—
Design AMIE SACHS ARCHITECTS
Owner CHRIST CHURCH
Filer CONSTRUCTION PERMIT SERVICES
—
Click a row for this entity's own projects, plans and documents at that building.
BuildingFilingsMost Recent
520 PARK AVENUE ↗105/13/2026
▾Documents — 4 on file (BIS + DOB NOW)
▸Plans & Drawings1
▸DOB NOWPlans/Sketch1
08/14/2026M01390975-I1 · 520 PARK AVENUERequest digital key ↗
▸Seals & Professional Certifications1
▸DOB NOWDPL-1: Design Professional Seal & Signature1
08/17/2026M01390975-I1 · 520 PARK AVENUEOpen ↗
▸Environmental & Asbestos1
▸DOB NOWDEP ACP-5: Asbestos Assessment Report1
08/14/2026M01390975-I1 · 520 PARK AVENUEOpen ↗
▸Approvals, Objections & Sign-offs1
▸DOB NOWFee Exempt Supporting Document - DOF ACRIS report or BIB letter1
08/14/2026M01390975-I1 · 520 PARK AVENUEOpen ↗