"To provide responsive, innovative and effective solutions that improve quality of life."


About JMD

Company History

Originally founded in 2001 by Juan M. Diaz, JMD began providing full service planning, engineering and management services from its headquarters in West Covina, California. Subsequently incorporated as JMDiaz, Inc. in 2005, JMD has developed a reputation for providing responsive, innovative and effective solutions.

JMD's growth and success is attributed to its high level of service and expertise on a variety of transportation and land development projects throughout California.

Currently, JMD has 22 employees serving public and private sector clients from its regional office in the City of Industry, California.

Los Angeles County
18645 East Gale Avenue | Suite 212
City of Industry, CA 91748-1363
(626) 820-1137 Tel
(626) 820-1136 Fax

Orange County
2400 East Katella Avenue | Suite 800
Anaheim, CA 92806
(714) 627-2447 Tel
(714) 627-2401 Fax

San Diego County
402 West Broadway | Suite 400
San Diego, CA 92101
(619) 595-3120 Tel
(619) 595-3150 Fax