According to our records, this business is located at 635 Spring St. in Friday Harbor (in San Juan County), Washington 98250, the location GPS coordinates are: 48.5313301086426 (latitude), -123.023666381836 (longitude). Frontier Building Supply is categorized under Home Centers. Current estimates show that the unit has a sales volume of $$1 to 2.5 million and staff of approximately 1 to 4 people. You can contact the company by phone at (360) 378-0999.