According to our records, this business is located at Route 113 in Selbyville (in Sussex County), Delaware 19975, the location GPS coordinates are: 38.4603917 (latitude), -75.2207437 (longitude). State Line Building Supply Inc is categorized under Siding Materials (SIC code 5211). Known organization president is Ronald Crook. Current estimates show that the unit has a sales volume of $3,612,000 and staff of approximately 14 people. You can contact the company by phone at (302) 436-8624; the following fax number is also provided: (302) 436-8631.