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Entity
Blue Meridian
Tenant · filed under 2 names
3 projects with open permitsMANHATTAN · 4
1 building
4
Total Filings
4
Projects on File
1
Buildings Worked
3
Projects w/ Open Permits
Tenant
Primary Trade
Activity
Not enough dated projects to chart.
Portfolio status
Browse projects →
Open permit375%
Signed off125%
By project type
Alteration4
Most active buildings
All buildings →
685 3 AVENUEMANHATTAN · 3 open · latest 06/11/2025
4 projects
Key relationships
Everyone →
Design firms
3 projects
1 projects
Filing representatives
3 projects
Filed under
Blue Meridian3Blue Meridian Partners1
Identified by the contact ids of the people who file for the firm and by its email domain, not by matching names.
Most recent projects
All projects →
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01011741 ↗685 3 AVENUE
MANHATTAN
AlterationPermit Issued03/13/202406/11/2025
Design ST ENGINEERING SERVICES LLP
Owner COLUMBIA NEW YORK 41ST STREET OFFIC
Contractor BLACK BULL BULDERS LLC
Filer RIZZO GROUP
MECHANICAL MODIFICATIONS TAKING PLACE ON THE 19TH FLOOR AS PER DRAWINGS FILED HEREWITH. NO CHANGE IN USE, EGRESS OR OCCUPANCY.
M01011751 ↗685 3 AVENUE
MANHATTAN
AlterationPermit Issued03/13/202406/11/2025
Design THE SWITZER GROUP
Contractor BLACK BULL BULDERS LLC
GENERAL CONSTRUCTION MODIFICATIONS TAKING PLACE ON THE 19TH FLOOR AS PER DRAWINGS FILED HEREWITH. NO CHANCE IN USE, EGRESS OR OCCUPANCY.
M01011747 ↗685 3 AVENUE
MANHATTAN
AlterationSigned-off03/13/202404/23/2024
Design ST ENGINEERING SERVICES LLP
Owner COLUMBIA NEW YORK 41ST STREET OFFIC
Contractor BEDROCK PLBG. & HTG., INC
Filer RIZZO GROUP
PLUMBING MODIFICATIONS TAKING PLACE ON THE 19TH FLOOR AS PER DRAWINGS FILED HEREWITH. NO CHANGE IN USE, EGRESS OR OCCUPANCY. =
M01011750 ↗685 3 AVENUE
MANHATTAN
AlterationPermit Issued03/13/202404/12/2024
Design ST ENGINEERING SERVICES LLP
Owner COLUMBIA NEW YORK 41ST STREET OFFIC
Contractor S. TIEGER PLBG. CO., INC
Filer RIZZO GROUP
SPRINKLER MODIFICATIONS TAKING PLACE ON THE 19TH FLOOR AS PER DRAWINGS FILED HEREWITH. NO CHANGE IN USE, EGRESS OR OCCUPANCY.
Counts cover all 4 projects (4 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
ST ENGINEERING SERVICES LLP306/02/2024
THE SWITZER GROUP103/13/2024
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
BLACK BULL BULDERS LLC203/13/2024
BEDROCK PLBG. & HTG., INC106/02/2024
DENKO MECHANICAL INC103/13/2024
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
COLUMBIA NEW YORK 41ST STREET OFFIC306/02/2024
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
RIZZO GROUP306/02/2024
4 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 4Open permit 3Signed off 1
4 projects
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01011741 ↗685 3 AVENUE
MANHATTAN
AlterationPermit Issued03/13/202406/11/2025
Design ST ENGINEERING SERVICES LLP
Owner COLUMBIA NEW YORK 41ST STREET OFFIC
Contractor BLACK BULL BULDERS LLC
Filer RIZZO GROUP
MECHANICAL MODIFICATIONS TAKING PLACE ON THE 19TH FLOOR AS PER DRAWINGS FILED HEREWITH. NO CHANGE IN USE, EGRESS OR OCCUPANCY.
M01011751 ↗685 3 AVENUE
MANHATTAN
AlterationPermit Issued03/13/202406/11/2025
Design THE SWITZER GROUP
Contractor BLACK BULL BULDERS LLC
GENERAL CONSTRUCTION MODIFICATIONS TAKING PLACE ON THE 19TH FLOOR AS PER DRAWINGS FILED HEREWITH. NO CHANCE IN USE, EGRESS OR OCCUPANCY.
M01011747 ↗685 3 AVENUE
MANHATTAN
AlterationSigned-off03/13/202404/23/2024
Design ST ENGINEERING SERVICES LLP
Owner COLUMBIA NEW YORK 41ST STREET OFFIC
Contractor BEDROCK PLBG. & HTG., INC
Filer RIZZO GROUP
PLUMBING MODIFICATIONS TAKING PLACE ON THE 19TH FLOOR AS PER DRAWINGS FILED HEREWITH. NO CHANGE IN USE, EGRESS OR OCCUPANCY. =
M01011750 ↗685 3 AVENUE
MANHATTAN
AlterationPermit Issued03/13/202404/12/2024
Design ST ENGINEERING SERVICES LLP
Owner COLUMBIA NEW YORK 41ST STREET OFFIC
Contractor S. TIEGER PLBG. CO., INC
Filer RIZZO GROUP
SPRINKLER MODIFICATIONS TAKING PLACE ON THE 19TH FLOOR AS PER DRAWINGS FILED HEREWITH. NO CHANGE IN USE, EGRESS OR OCCUPANCY.
Click a row for this entity's own projects, plans and documents at that building.
BuildingFilingsMost Recent
685 3 AVENUE ↗406/02/2024
▾Documents — 17 on file (BIS + DOB NOW)
▸Plans & Drawings5
▸DOB NOWPlans/Sketch5
08/27/2026M01011747-I1 · 685 3 AVENUERequest digital key ↗
08/27/2026M01011747-P1 · 685 3 AVENUERequest digital key ↗
08/27/2026M01011741-I1 · 685 3 AVENUERequest digital key ↗
Showing 3 of 5 on file for this type
▸Seals & Professional Certifications6
▸DOB NOWDPL-1: Design Professional Seal & Signature5
08/27/2026M01011747-P1 · 685 3 AVENUEOpen ↗
08/27/2026M01011747-I1 · 685 3 AVENUEOpen ↗
08/27/2026M01011751-I1 · 685 3 AVENUEOpen ↗
Showing 3 of 5 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature1
09/01/2026M01011750-I1 · 685 3 AVENUEOpen ↗
▸Environmental & Asbestos6
▸DOB NOWDEP ACP-5: Asbestos Assessment Report5
08/27/2026M01011747-P1 · 685 3 AVENUEOpen ↗
08/27/2026M01011747-I1 · 685 3 AVENUEOpen ↗
08/27/2026M01011751-I1 · 685 3 AVENUEOpen ↗
Showing 3 of 5 on file for this type
▸DOB NOWOER: Notice to Proceed1
08/13/2026M01011751-I1 · 685 3 AVENUEOpen ↗