How expensive is it to live in Paradise Valley, Arizona? Very expensive! Last week's most expensive home that sold in Arizona fetched almost $650 per square foot! There are plenty of other parts of the Country where that figure might not seem so high but for Arizona standards it's at the top of any price range you'll find here. The price per square foot number isn't the only statistic that stands out with this home either. It only took slightly over one month to sell this property and it was an all cash deal! I don't know about you but I don't have $1.7 million dollars just laying around waiting to purchase a home. But then again, that's the type of clientele that you'll find moving to Paradise Valley...read more.