Dallas County Tax Office – Mesquite 210 W. Grubb Drive Mesquite Texas 75149 TX Dallas 210 W. Grubb Drive Directions (214) 653-7811 Monday 08:00 am - 04:30 pm Tuesday 08:00 am - 04:30 pm Wednesday 08:00 am - 04:30 pm Thursday 08:00 am - 04:30 pm Friday 08:00 am - 04:30 pm Saturday Closed Sunday Closed