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alteration

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Alteration*

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Alteration – affect the building’s official status and require formal approval, while renovations are typically less extensive updates that don’t impact the building’s legal classification.

Renovation*

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Any improvement, modification, or repair work done by a homeowner to their property. This includes changes to interiors, exteriors, structural elements, or systems requiring adherence to NYC building codes, permits, and possibly approvals from building management or authorities.