Zillow Advice: Zillow Questions - I ADDED A NEW PATIO $3400.00 ,HOW DO I ADD UP-GRADE TO ZILLOW? http://www.zillow.com/advice-thread/I-ADDED-A-NEW-PATIO-3400-00-HOW-DO-I-ADD-UP-GRADE-TO-ZILLOW/465912/ Zillow Advice | Zillow Real Estate