Santa Ana Municipal Code §41-1650 through 1657 allows for the adaptive
reuse of nonresidential buildings into dwelling units, guest rooms or joint
living and work quarters within 4 designated “project incentive zones” if the
building either “was constructed in accordance with building and zoning
codes in effect prior to July 1, 1974” or “has been determined to be a
historically significant building.” The code also establishes development
standards; allows for residential use in the project incentive zones regardless
of underlying zoning;..