With over 30 years of experience, Magnon has helped clients from conception to design to fulfill all of their development needs. Magnon is the oldest and largest development company in the Riverside region, and has received numerous awards and recognition for development services.


The Magnon Companies has developed more than 10 million square feet in various counties throughout Southern California. Recognized as one of the largest landlords of government facilities in Riverside County, Magnon Companies has a large portfolio and has worked with various types of tenants and businesses to fit their needs.

Project History

The Magnon Companies has held a corporate general contracting license since forming in 1977.  It has built every building in the Magnon portfolio, as well as numerous projects for others. The company’s projects include multistory office buildings, retail buildings, and industrial parks.