Relating to development of housing.

Prohibits local government from applying standards, conditions or procedures regulating development of needed housing on buildable land that have effect of reducing development density below maximum density level authorized in comprehensive plan designation. Requires local government that adopts alternative approval process for residential development applications to permit applicants for development of needed housing to proceed at maximum density level authorized in comprehensive plan designation. Prohibits city or county from prohibiting building of single-family dwelling on legally established lot in area zoned for single-family dwellings located within urban growth boundary. Establishes process for applicant for development of needed housing to file petition for writ of mandamus in circuit court if city issues preliminary or final decision on application that would reduce density below maximum authorized in comprehensive plan designation.