Cal. Rev. & Tax. Code § 236
Property leased for a term of 35 years or more or any transfer of property leased with a remaining term of 35 years or more where the lessor is not otherwise qualified for a tax exemption pursuant to Section 214, which is used exclusively and solely for rental housing and related facilities for tenants who are persons of low income (as defined in Section 50093 of the Health and Safety Code), and is leased and operated by religious, hospital, scientific, or charitable funds, foundations or corporations, public housing authorities, public agencies, or limited partnerships in which the managing general partner has received a determination that it is a charitable organization under Section 501(c)(3) of the Internal Revenue Code and is operating the property in accordance with its exempt purpose is exempt from taxation on the possessory interest and the fee interest in the property throughout the term of the lease.
Low- and moderate-income has the same meaning as the term "persons and families of low- and moderate-income" as defined by Section 50093 of the Health and Safety Code.
Ca. Rev. and Tax. Code § 236