請問,加建ADU, 房產稅會增加嗎?聽說加州政府有補助。ADU Grant Program The ADU Grant provides up to $40,000 to reimburse pre-development and non-reoccurring closing costs associated with the construction of the ADU. Prevelopment costs include site prep, architectural designs, permits, soil tests, impact fees, property survey, and energy reports. CALHFA 機構給的?