请教自己装修过房子的朋友, especially兔宝宝 , t. M( S) I0 \, Y) {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?( ?+ q9 s8 y! H) v3 K9 W3 X$ O
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Thanks.