请教自己装修过房子的朋友, especially兔宝宝" I+ I& n* @" h( G
I 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? ) L2 w2 ~& g$ b* |7 c * s3 H1 {: r0 r/ I; O7 p5 x4 s% FThanks.