请教自己装修过房子的朋友, especially兔宝宝 $ B: }0 l0 t' ]" a& s, a! g( VI purchased a 2 storey house with 2100 sqft, partial fininshed basement(1/4 finished), I want to finish the left 3/4 basement plus a full bathroom and a small kichen, do I need some permission? How much I have to pay? 6 P& `/ t# f# q5 d R+ r4 h( U! v) BThanks.