The general assembly finds and declares that there exists an acute shortage of affordable, accessible, safe, and sanitary housing for its citizens of low and moderate income, both individuals and families; that it is imperative that action is taken immediately to assure the availability of affordable, accessible, safe, and sanitary housing for these persons; that it is necessary that each city and town provide opportunities for the establishment of low and moderate income housing; and that the provisions of this chapter are necessary to assure the health, safety, and welfare of all citizens of this state, and that each citizen enjoys the right to affordable, accessible, safe, and sanitary housing. It is further declared to be the purpose of this chapter to provide for housing opportunities for low and moderate income individuals and families in each city and town of the state and that an equal consideration shall be given to the retrofitting and rehabilitation of existing dwellings for low and moderate income housing and assimilating low and moderate income housing into existing and future developments and neighborhoods.