Greenbriar Downs Ct, O'Fallon, Missouri - Redfin
8 addresses found on Greenbriar Downs Ct in O'Fallon, Missouri. The average lot size on Greenbriar Downs Ct is 13068 sq. ft. The average property tax on Greenbriar Downs Ct is $3.7K/yr. Find an address below to learn more about the property details: