About

Spec Construction Co. an industry leading, full-service building solutions team located in Ontario, CA.

We are a family business that has been successfully completing public works projects since 1982, specializing in education building modernization. We partner with our clients and construction managers to provide top of the line customer service with a stellar reputation. We believe in performing quality work that reaches the highest construction standards and that’s why we have had several repeat customers throughout the years. We work with school districts and colleges all over Southern California and we look forward to working with you as well.