January 15, 1971
Bob starts his business with his brother Richard in Sylmar as Cowan Landscape Maintenance.
February 9, 1971
The Sylmar earthquake puts Bob and Richard to work in construction cleanup.
1975
At 16, Jose Hernandez Castro, Bob’s longtime partner who retired in 2026, joins the company.
1999
Marina wins their first Landscape and Beautification Award for the UCLA Soccer Complex and parking structure.
2004
Marina wins the California state award for the building installation of Petco Park.
2022
Marina hits its 50-year milestone and surprises employees by announcing that Marina has become employee-owned as an ESOP.
