This bill requires the Secretary of Housing and Urban Development (HUD) to expand and reclassify housing-related activities under the National Environmental Policy Act (NEPA) regulations. The primary goal is to streamline environmental review processes for various housing projects and related activities. By doing so, the legislation aims to reduce administrative burdens and accelerate the development of housing, particularly within the affordable housing sector. The bill mandates the reclassification of activities into three main categories based on their potential environmental impact. The first category includes activities deemed exempt , such as tenant-based rental assistance, supportive services, and certain homebuyer assistance, which are primarily financial or administrative and have no physical environmental impact. The second category covers categorical exclusions not subject to further review , encompassing minor physical alterations like rehabilitation of 1-4 unit residential buildings or small-scale public facility repairs, provided they do not materially alter environmental conditions. The third category outlines categorical exclusions subject to some review , which includes activities like converting existing office buildings into residential developments, new construction of 5 to 15 dwelling units, or undertaking designated infill projects , all subject to conditions preventing material environmental alteration. The Secretary must also submit annual reports for five years, summarizing reductions in review times and administrative costs, especially for affordable housing, and recommending future congressional actions regarding these environmental classifications.