Our Mission

Onyx maintains that the best method to achieving success is through continual growth and development. Striving for the best, we work to cultivate an attitude of progress.

555 Raleigh Ave El Cajon, CA 92020 | P: (619) 324-1440 F: (619) 324-1441
Department of General Services Small Business Certification # 1547520 (exp 2/28/19)
California Public Utilities Commission Woman-Owned Business Certification # 14040093 (exp 7/17/19)
© 2019 Copyright Onyx Building Group Lic #957645. All Rights Reserved