Infill Redevelopment; Requires local government to permit development of certain qualifying parcels up to certain density & intensity; requires local government to permit development of qualifying parcel with single-family homes or townhouses; prohibits local government from imposing certain restrictions or requirements on development of certain qualifying parcels; prohibits local government from using subdivision process to restrict development; requires developers of qualifying parcels to establish that certain recreational facilities & areas reserved for recreational use have not been in operation or use for certain timeframe, to pay double parks & recreational facilities impact fees for certain purpose, & to provide certain written notice to certain property owners; requires property owners who receive such written notice to exercise option to purchase certain parcels or portions thereof within specified timeframe or forfeit option.