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Entity
Mathnasium
Tenant
1 project with open permitsSTATEN ISLAND · 1
1 building
1
Total Filings
1
Projects on File
1
Buildings Worked
1
Projects w/ Open Permits
Tenant
Primary Trade
Activity
Not enough dated projects to chart.
Portfolio status
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Open permit1100%
By project type
Alteration1
Most active buildings
All buildings →
3143 AMBOY ROADSTATEN ISLAND · 1 open · latest 06/02/2026
1 projects
Key relationships
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Design firms
1 projects
Contractors
1 projects
Most recent projects
All projects →
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
S01271438 ↗3143 AMBOY ROAD
STATEN ISLAND
AlterationPermit Issued03/16/202606/02/2026
Design MURDOCH ENGINEERING
Contractor AMERICAN SIGN & ELECL CON
ERECT ILLUMINATED ACCESSORY BUSINESS SIGN ON WALL FOR MATHNASIUM
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
MURDOCH ENGINEERING103/16/2026
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
AMERICAN SIGN & ELECL CON103/16/2026
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
S01271438 ↗3143 AMBOY ROAD
STATEN ISLAND
AlterationPermit Issued03/16/202606/02/2026
Design MURDOCH ENGINEERING
Contractor AMERICAN SIGN & ELECL CON
ERECT ILLUMINATED ACCESSORY BUSINESS SIGN ON WALL FOR MATHNASIUM
Click a row for this entity's own projects, plans and documents at that building.
BuildingFilingsMost Recent
3143 AMBOY ROAD ↗103/16/2026
▾Documents — 3 on file (BIS + DOB NOW)
▸Plans & Drawings1
▸DOB NOWPlans/Sketch1
08/17/2026S01271438-I1 · 3143 AMBOY ROADRequest digital key ↗
▸Seals & Professional Certifications2
▸DOB NOWDPL-1: Design Professional Seal & Signature1
08/17/2026S01271438-I1 · 3143 AMBOY ROADOpen ↗
▸DOB NOWProgress Inspector Seal & Signature1
09/02/2026S01271438-I1 · 3143 AMBOY ROADOpen ↗