Magnolia ZIP codes 77354 and 77355 saw the median price of homes sold increase at least 10% from October 2018 to October 2019, according to data provided by Carswell Real Estate Co. Inc. ZIP code 77362 in Pinehurst saw the greatest decrease at 13.7% while Tomball ZIP codes 77375 and 77377 saw 6.1% and 5.2% increases, respectively, year over year.