What is the property tax Percent in Grand Prairie, TXI'm using a mortgage calculator and it's default tax rate is 12%. I wanted to know if there are any resource out there to determine the tax rate?Thank you!May 05 2011 - Grand Prairie00YesReport a ProblemProblemSelect oneOffensive contentIrrelevant contentSpam (pure self-promotion)OtherDetailsYour emailPlease enter a valid email address.Submit CancelContent flaggedWe will review this content. Thanks for helping make the site more useful to everyone. To learn more, read Zillow's Good Neighbor Policy.We're sorry. This service is temporarily unavailable. Please come back later and try again.