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BTB ENGINEERING
Design
1 project with open permitsMANHATTAN · 1
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1 building
2
Total Filings
1
Projects on File
1
Buildings Worked
1
Projects w/ Open Permits
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Alteration1
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550 CATHEDRAL PARKWAYMANHATTAN · 1 open · latest 06/23/2021
1 projects
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1 projects
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1 projects
People
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MICHAEL WILLIAMSlatest 11/13/2020
1 filings
Most recent projects
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ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M00427972 ↗550 CATHEDRAL PARKWAY
MANHATTAN
AlterationPermit Issued06/16/202106/23/2021
Owner Statiker
Contractor HYDROKINETIC PLBG & HTG I
New gas line
Counts cover all 1 projects (1 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
MICHAEL WILLIAMS111/13/2020
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
ANESIS MECHANICAL CORP106/09/2026
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
Statiker106/09/2026
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 1Open permit 1
1 project
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M00427972 ↗550 CATHEDRAL PARKWAY
MANHATTAN
AlterationPermit Issued06/16/202106/23/2021
Owner Statiker
Contractor HYDROKINETIC PLBG & HTG I
New gas line
Scope of Work
Plumbing — 1 project · most recent 06/09/2026
Gas
Click a row for this entity's own projects, plans and documents at that building.
BuildingFilingsMost Recent
550 CATHEDRAL PARKWAY ↗211/13/2020
▾Documents — 4 on file (BIS + DOB NOW)
▸Plans & Drawings2
▸DOB NOWPlans/Sketch - Plumbing2
09/03/2026M00427972-P1 · 550 CATHEDRAL PARKWAYRequest digital key ↗
09/03/2026M00427972-I1 · 550 CATHEDRAL PARKWAYRequest digital key ↗
▸Seals & Professional Certifications2
▸DOB NOWDPL-1: Design Professional Seal & Signature2
09/03/2026M00427972-P1 · 550 CATHEDRAL PARKWAYOpen ↗
08/13/2026M00427972-I1 · 550 CATHEDRAL PARKWAYOpen ↗