[1] In 1975, Casden accepted a job with Los Angeles apartment developer Robert Mayer and with financial support from the Belzberg family of Canada, he was able to take control of the firm.
[5] In 1980, he bought out the Belzberg interest after a dispute regarding future strategic directions[5][1] the renamed Casden Properties, LLC, based in Beverly Hills.
[4] Using obscure incentives and deductions in the United States Tax Code, Casden was to profitably develop low-income housing projects[5] and within a few years, Casdan properties had become one of the largest multi-family developers in the United States, winning 30 major design awards and earning recognition from the New York Times as an example of the use of urban planning to prevent urban sprawl.
[7] Additionally, President George W. Bush appointed Casden to serve on the Honorary Delegation to accompany him to Jerusalem for the celebration of the 60th anniversary of the State of Israel in May 2008.
[1] Casden is a member of the American Institute of Certified Public Accountants, California Society of Certified Public Accountants, a member of the advisory board of the National Multi-Family Housing Conference, Multi-Family Housing Council, President's Council of the California Building Industry Association and Urban Land Institute.