Grayson County Court at Law Post date June 17, 2019 Flag Listing Category County Court At Law, Grayson, Sherman Website Address http://www.co.grayson.tx.us/page/court2.home Phone Number 903-813-4200 x2904 Address 200 S Crockett Sherman, Texas 75090-5958 Judge Siebman, Carol M. ← Bexar County Court at Law → Erath County Court at Law