Relating to housing; prescribing an effective date.

Requires Department of Consumer and Business Services to enter into public contract to research and analyze administrative procedures for approving residential construction projects in this state and to develop recommendations, including recommendations for best practices, for reducing amount of time necessary for approval. Specifies requirements for method of conducting, and scope of information for inclusion in, contractor's research and analysis. Requires department to report each quarter on progress of research and analysis to interim committee of Legislative Assembly related to housing, with initial report due not later than December 1, 2022. Modifies definition of "substantial completion" with respect to residential subdivisions to require construction of certain public improvements under applicable conditions of development and to standards that city or county establishes or specifies by agreement with developer, declarant or owner. ] Adds to list of items that are necessary for substantial completion of residential subdivision off-site improvements for emergency services, water and storm water and sewage disposal at capacity that is sufficient to serve residential subdivision. Requires city or county to allow applications for building permits without regard to whether final plat is recorded. Requires city or county to assign temporary addresses to lots in residential subdivision. Specifies basis for assignment and notifications required for changes. ] Takes effect on 91st day following adjournment sine die.