According to our records, this business is located in Santa Rosa (in Sonoma County), California 95403, the location GPS coordinates are: 38.440429 (latitude), -122.7140548 (longitude). Calstone Co is categorized under Paving Mixtures (SIC code 5032). Current estimates show that the unit has a sales volume of $2,880,000 and staff of approximately 6 people. You can contact the company by phone at (707) 566-6944.