According to our records, this business is located in Mt Vernon (in Jefferson County), Illinois 62864, the location GPS coordinates are: 38.3172714 (latitude), -88.9031201 (longitude). Grassmasters is categorized under Brush Removal Services (SIC code 0782). Known organization owner is Jason Hayes. Current estimates show that the unit has a sales volume of $252,000 and staff of approximately 3 people. You can contact the company by phone at (618) 244-9903.