According to our records, this business is located at 317 3rd St. in Eureka (in Humboldt County), California 95501, the location GPS coordinates are: 40.8036043 (latitude), -124.1682206 (longitude). Oscar Larson & Assoc is categorized under HVAC Engineering (SIC code 8711). Known organization president is Kenneth G Davlin. Current estimates show that the unit has a sales volume of $2,212,000 and staff of approximately 14 people. You can contact the company by phone at (707) 445-2043; the following fax number is also provided: (707) 445-8230. Business website can be accessed at www.olarson.com.