I'm not sure where you're getting your data but median house prices have risen significantly in Houston metro area since 2012 (over 50%) https://fred.stlouisfe

I'm not sure where you're getting your data but median house prices have risen significantly in Houston metro area since 2012 (over 50%) https://fred.stlouisfed.org/series/ATNHPIUS26420Q https://fred.stlouisfed.org/series/ATNHPIUS26420Q