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NYC Building Code

§ 1613.4 — § 1613.4

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What is NYC BC § 1613.4?

Quick Answer

This section mandates structural separations between buildings and adjacent properties, specifying setback requirements based on height. Structures must be set back from property lines by at least 1 inch for every 50 feet of height, with exceptions allowed for rational analysis. Applies to building owners and property operators managing adjacent structures.

General informational summary. Not legal advice for your situation. Consult an attorney before acting on any specific matter.

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1613.4 Structural separations.

BC § 1613.4

All structures shall be separated from adjacent structures. When a structure adjoins a property line not common to a public way (typically side or rear lot lines), that structure shall also be set back from the property line by at least 1 inch (25.4 mm) for each 50 feet (15 240 mm) of height and a minimum of 1 inch (25.4 mm) for structures with heights less than 50 feet (15 240 mm). For structures in Seismic Design Category D, refer to ASCE 7 for additional requirements. Exception: Smaller separations or property line setbacks shall be permitted when justified by rational analysis based on maximum expected ground motions with a minimum separation of 1 inch (25.4 mm) along the full height of the structure.

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