Why and when do I need a building permit?

It’s the law! The Town of Brookhaven Building Division is responsible for the administration and enforcement of the New York State Uniform Fire Prevention and Building Code and Brookhaven Town Code Section 16-3. A building permit is required for new homes, additions, alterations, manufactured homes, and accessory structures. Accessory structures most commonly include:

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1. How long is a building permit valid?
2. When do I get my certificate of occupancy?
3. How long does it take to get a building permit?
4. Why and when do I need a building permit?