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Ray Carlson and Associates, Inc. has been surveying and mapping the North Bay since 1976. As a premier land consulting firm located in Santa Rosa, we offer vast knowledge and a keen understanding of the land throughout Sonoma, Marin, Napa, Lake and Mendocino Counties. Ray Carlson & Associates, Inc. 411 Russell Avenue Santa Rosa, CA 95403 Phone: (707) 528-7649 Fax: (707) 571-5541