Zillow Advice: Home Improvement - How about an addition of concrete patio or expansion of existing patio? http://www.zillow.com/advice-thread/How-about-an-addition-of-concrete-patio-or-expansion-of-existing-patio/403001/ Zillow Advice | Zillow Real Estate Typically in Northern Virginia ... http://www.zillow.com/advice-thread/How-about-an-addition-of-concrete-patio-or-expansion-of-existing-patio/403001/ Typically in Northern Virginia area we do see about 70% recoup value depending on your home site and how it is done. Some buyer do like this over deck due to nature of no maintenance on the patio. Fri, 09 Sep 2011 16:54:00 GMT http://www.zillow.com/advice-thread/How-about-an-addition-of-concrete-patio-or-expansion-of-existing-patio/403001/ 2011-09-09T16:54:00Z