According to our records, this business is located at 1840 Embarcadero in Oakland (in Alameda County), California 94606, the location GPS coordinates are: 37.7839393 (latitude), -122.242279 (longitude). Colonial Supplemental Ins is categorized under Insurance Companies (SIC code 6411). Current estimates show that the unit has a sales volume of $690,000 and staff of approximately 5 people. You can contact the company by phone at (510) 536-2472.