Destined to become California's premier condominium developer. 12 Projects; 3400+ Unites; $2B+ in project value Z&L Properties, Inc. is a California based real estate development and management company that specializes in high-rise mixed-use developments. Z&L has an impressive portfolio of high-rise condo projects in California’s most preeminent cities, including San Francisco, Los Angeles, and San Jose. Headquartered in Foster City, CA, the company includes a team of engineers, planners, architects, lawyers, accountants, and marketing professionals who work on all phases of development, from acquisition to close.