 However, with increases in the price of housing in many cities and suburbs, an increased awareness of the costs of low-density car-oriented development patterns and an increased need to care for the aging baby boom generation, ADUs have been promoted by some as a beneficial option.However, some critics perceive ADUs to be a threat to the character of single-family residential neighborhoods.In California, Government Code Sections 65852.150, 65852.2 & 65852.22 pertain to local regulation of ADUs.