California Health & Safety Code > Health & Saf. Code §1566.5. Residential Facility for Six or Fewer Persons is Residential Use of Property under Contracts, Deeds or Covenan
For the purposes of any contract, deed, or covenant for the transfer of real property executed on or after January 1, 1979, a residential 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. 
Footnote: Section 1566.5 applies to all residential care facilities covered by the California Community Care Facilities Act (H&S Code §§1500-1567.87).