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Entity
Courtyard by Marriott
Tenant
MANHATTAN · 3
1 building
3
Total Filings
3
Projects on File
1
Buildings Worked
0
Projects w/ Open Permits
Tenant
Primary Trade
Activity
Not enough dated projects to chart.
Portfolio status
Browse projects →
Signed off3100%
By project type
Alteration3
Most active buildings
All buildings →
866 3 AVENUEMANHATTAN · latest 04/10/2025
3 projects
Key relationships
Everyone →
Design firms
3 projects
Filing representatives
2 projects
Contractors
3 projects
Owners
2 projects
Most recent projects
All projects →
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01201008 ↗866 3 AVENUE
MANHATTAN
AlterationSigned-off03/31/202504/10/2025
Design AG ENGINEERING PLLC
Contractor MAD SIGNS INC
REPLACEMENT FACE ONLY OF ILLUMINATED NON-ADVERTISING ACCESSORY SIGN ON EXISTING MARQUEE - COURTYARD BY MARRIOTT. NO CHANGE OF USE, EGRESS OR…
M01201009 ↗866 3 AVENUE
MANHATTAN
AlterationSigned-off03/31/202504/10/2025
Design AG ENGINEERING PLLC
Owner 866 THIRD AVENUE CONDO
Contractor MAD SIGNS INC
Filer LOUIS STRIAR INC.
REPLACEMENT FACE ONLY OF ILLUMINATED NON-ADVERTISING ACCESSORY SIGN ON EXISTING MARQUEE - COURTYARD BY MARRIOTT. NO CHANGE OF USE, EGRESS OR…
M01192601 ↗866 3 AVENUE
MANHATTAN
AlterationSigned-off03/19/202503/21/2025
Design AG ENGINEERING PLLC
Owner 866 THIRD AVENUE CONDO
Contractor MAD SIGNS INC
Filer LOUIS STRIAR INC.
REPLACEMENT FACE ONLY OF ILLUMINATED NON-ADVERTISING ACCESSORY SIGN ON EXISTING MARQUEE - COURTYARD BY MARRIOTT. NO CHANGE OF USE, EGRESS OR…
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
AG ENGINEERING PLLC303/31/2025
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
MAD SIGNS INC303/31/2025
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
866 THIRD AVENUE CONDO203/31/2025
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
LOUIS STRIAR INC.203/31/2025
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
M01201008 ↗866 3 AVENUE
MANHATTAN
AlterationSigned-off03/31/202504/10/2025
Design AG ENGINEERING PLLC
Contractor MAD SIGNS INC
REPLACEMENT FACE ONLY OF ILLUMINATED NON-ADVERTISING ACCESSORY SIGN ON EXISTING MARQUEE - COURTYARD BY MARRIOTT. NO CHANGE OF USE, EGRESS OR…
M01201009 ↗866 3 AVENUE
MANHATTAN
AlterationSigned-off03/31/202504/10/2025
Design AG ENGINEERING PLLC
Owner 866 THIRD AVENUE CONDO
Contractor MAD SIGNS INC
Filer LOUIS STRIAR INC.
REPLACEMENT FACE ONLY OF ILLUMINATED NON-ADVERTISING ACCESSORY SIGN ON EXISTING MARQUEE - COURTYARD BY MARRIOTT. NO CHANGE OF USE, EGRESS OR…
M01192601 ↗866 3 AVENUE
MANHATTAN
AlterationSigned-off03/19/202503/21/2025
Design AG ENGINEERING PLLC
Owner 866 THIRD AVENUE CONDO
Contractor MAD SIGNS INC
Filer LOUIS STRIAR INC.
REPLACEMENT FACE ONLY OF ILLUMINATED NON-ADVERTISING ACCESSORY SIGN ON EXISTING MARQUEE - COURTYARD BY MARRIOTT. NO CHANGE OF USE, EGRESS OR…
Click a row for this entity's own projects, plans and documents at that building.
BuildingFilingsMost Recent
866 3 AVENUE ↗303/31/2025
▾Documents — 7 on file (BIS + DOB NOW)
▸Plans & Drawings3
▸DOB NOWPlans/Sketch3
08/24/2026M01192601-I1 · 866 3 AVENUERequest digital key ↗
08/24/2026M01201008-I1 · 866 3 AVENUERequest digital key ↗
08/24/2026M01201009-I1 · 866 3 AVENUERequest digital key ↗
▸Seals & Professional Certifications4
▸DOB NOWDPL-1: Design Professional Seal & Signature3
08/24/2026M01192601-I1 · 866 3 AVENUEOpen ↗
08/24/2026M01201008-I1 · 866 3 AVENUEOpen ↗
08/13/2026M01201009-I1 · 866 3 AVENUEOpen ↗
▸DOB NOWProgress Inspector Seal & Signature1
08/25/2026M01201009-I1 · 866 3 AVENUEOpen ↗