Allows the legislative body of a city or a county without a consolidated city to adopt a resolution establishing a riverfront economic development tax area (tax area). Sets forth requirements for the location of the tax area. Requires the legislative body to make findings when adopting a resolution. Requires the legislative body to submit a resolution establishing a tax area to the budget committee and budget agency for review and approval. Allows a tax area to receive incremental state income tax revenue and incremental sales tax revenue attributable to the tax area. Requires a city or county that establishes a tax area to establish a riverfront economic development area fund. Provides that a tax area terminates not later than 25 years after the date on which the resolution establishing the tax area is adopted.