Cal. Rev. & Tax. Code § 402.2

Contracts with government agencies restricting the use of property for owner-occupied housing available at affordable cost shall be recorded. Nothing in this section shall be construed to prevent the assessor from considering a contract that restricts the use of the property to owner-occupied housing available at affordable housing cost, including under any locally adopted inclusionary housing program, for purposes of applying Section 402.1 or subdivision (a) of Section 110.