请教自己装修过房子的朋友, especially兔宝宝 2 L {5 A a; { FI 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? , O, ?9 {& W* L( l( l' E' y 2 |# [ Y5 E2 A+ f: r7 ]Thanks.