Sebastian is a premier provider of communications and construction services in California. With more than 70 years of experience, Sebastian is passionate about providing people with a great place to work. Our high growth and dynamic model offers employees the opportunity for career advancement. As a family company we value the expertise and experience of our team. Drawing on the expertise and experience of our team, Sebastian is able to provide the best and latest technologies to individuals, businesses, and public institutions. Our residential and commercial services are backed by our live, local customer support, and our construction services are trusted by institutions in both the private and public sectors.