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Design Firm
Eckersley O'Callaghan & Partners
Design
1 project with open permitsMANHATTAN · 2
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1 building
2
Total Filings
2
Projects on File
1
Buildings Worked
1
Projects w/ Open Permits
Design
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Projects by first filing month2 projects all-time
0112Sep '25 · 1Aug '26 · 1Sep '25Nov '25Jan '26Mar '26May '26Jul '26Aug '26
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Open permit150%
Signed off150%
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Alteration2
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761 5 AVENUEMANHATTAN · 1 open · latest 09/29/2026
2 projects
Key relationships
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Design firms
2 projects
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2 projects
Contractors
2 projects
Owners
2 projects
People
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Franklin Lancasterlatest 07/17/2026
2 filings
Filed under
Eckersley O'Callaghan & Partners2
Identified by the contact ids of the people who file for the firm and by its email domain (eocengineers.com), not by matching names.
Most recent projects
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ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01432575 ↗761 5 AVENUE
MANHATTAN
AlterationPermit Issued08/07/202609/29/2026
Owner BOSTON PROPERTIES
Contractor STRUCTURE TONE, LLC
Filer RIZZO GROUP
HUB ACCEPTED- Exterior Installation of temporary structure for 90 days, Temp Structure to be removed after duration for LOC issuance no chan…
M01280934 ↗761 5 AVENUE
MANHATTAN
AlterationSigned-off09/04/202509/10/2025
Owner BOSTON PROPERTIES
Contractor STRUCTURE TONE, LLC
Filer RIZZO GROUP
HUB ACCEPTED- Exterior Installation of temporary structure for 6 weeks, Temp Structure to be removed after duration for LOC issuance- no cha…
Counts cover all 2 projects (2 DOB NOW). Dated by first filing; BIS projects by first permit issuance.
Every person filing for this firm, identified by their DOB NOW contact id (one id is one person). A person is listed under the firm they file for most.
PersonFilingsMost recent
Franklin Lancaster207/17/2026
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
DON M. DACUMOS208/07/2026
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
STRUCTURE TONE, LLC208/07/2026
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
BOSTON PROPERTIES208/07/2026
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
RIZZO GROUP208/07/2026
2 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 2Open permit 1Signed off 1
2 projects
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01432575 ↗761 5 AVENUE
MANHATTAN
AlterationPermit Issued08/07/202609/29/2026
Owner BOSTON PROPERTIES
Contractor STRUCTURE TONE, LLC
Filer RIZZO GROUP
HUB ACCEPTED- Exterior Installation of temporary structure for 90 days, Temp Structure to be removed after duration for LOC issuance no chan…
M01280934 ↗761 5 AVENUE
MANHATTAN
AlterationSigned-off09/04/202509/10/2025
Owner BOSTON PROPERTIES
Contractor STRUCTURE TONE, LLC
Filer RIZZO GROUP
HUB ACCEPTED- Exterior Installation of temporary structure for 6 weeks, Temp Structure to be removed after duration for LOC issuance- no cha…
Scope of Work
Structural — 1 project · most recent 08/07/2026
No specific sub-scope on file — project count only.
Click a row for this entity's own projects, plans and documents at that building.
BuildingFilingsMost Recent
761 5 AVENUE ↗207/17/2026
▾Documents — 12 on file (BIS + DOB NOW)
▸Plans & Drawings4
▸DOB NOWPlans/Sketch4
08/21/2026M01280934-S1 · 761 5 AVENUERequest digital key ↗
08/21/2026M01280934-I1 · 761 5 AVENUERequest digital key ↗
08/16/2026M01432575-S1 · 761 5 AVENUERequest digital key ↗
Showing 3 of 4 on file for this type
▸Seals & Professional Certifications8
▸DOB NOWDPL-1: Design Professional Seal & Signature4
08/16/2026M01432575-I1 · 761 5 AVENUEOpen ↗
08/16/2026M01432575-S1 · 761 5 AVENUEOpen ↗
08/13/2026M01280934-I1 · 761 5 AVENUEOpen ↗
Showing 3 of 4 on file for this type
▸DOB NOWProgress Inspector Seal & Signature4
09/01/2026M01280934-S1 · 761 5 AVENUEOpen ↗
08/27/2026M01432575-I1 · 761 5 AVENUEOpen ↗
08/23/2026M01432575-S1 · 761 5 AVENUEOpen ↗
Showing 3 of 4 on file for this type