California Code
ARTICLE 2 - Local Regulation
Section 11834.25.

11834.25. For the purposes of any contract, deed, or covenant for the transfer of real property executed on or after January 1, 1979, an alcoholism or drug abuse recovery or treatment facility which serves six or fewer persons shall be considered a residential use of property and a use of property by a single family, notwithstanding any disclaimers to the contrary.

(Amended by Stats. 1989, Ch. 919, Sec. 20.)