The TR1 is the document that ties special inspections to your permit. A plain-language walkthrough of the form, the signatures and the common mistakes.
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TR1 Forms Explained: Who Signs What, and When
NYC TR1 Special Inspection Checklist for General Contractors
Every special inspection category on the NYC TR1, grouped by trade, with what to send the agency before day one, when to call, and what you need for the Certificate of Occupancy. Printable PDF.
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What Is a Class 1 Special Inspection Agency in NYC?
Not every inspection agency can sign off on every job. Here is what the DOB classes mean, and why it matters before your first pour.
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