Grand Terrace, Cal., Code of Ordinances ch. 18.67 § 18.67.010

Rooming and boarding houses (including parolee-probationer homes and sober living homes) as defined in Section 18.06.675 of this Title, may be established only upon approval of a conditional use permit for six or fewer occupants, and shall be prohibited for more than six occupants subject to the following standards: A.
Conditional Use Permit Required. It shall be unlawful in all zones of the City to operate a rooming and boarding house, a parolee-probationer home and/or sober living home without first having obtained a conditional use permit.
B. Filing Requirements. The application for a conditional use permit for a rooming and boarding house, parolee-probationer home or sober living home shall include the following information:
1. Client profile (the subgroup of the population the facility is intended to serve, such as single men, families, elderly, minor children, developmentally disabled, etc.);
2. Maximum number of occupants including support staff;
3. Proposed maximum stay for each resident, parolee-probationer or occupant;
4. Support services to be provided on-site and projected staffing level, if any;
5. Site plan and floor plans; and
6. Rules of conduct and business management plan.
C. Site Location Criteria. In evaluating a proposed rooming and boarding house, parolee-probationer home or sober living home, the following criteria shall be considered:
1. Compatibility of the use with neighboring uses;
2. Establishment of the facility will not result in harm to the health, safety or general welfare of the surrounding neighborhood, and substantial adverse impacts on adjoining properties or land uses will not result;
3. The facility shall be located along or near a collector or arterial street with reasonable access to public transportation;
4. The facility shall be accessible to necessary support services; and
5. In the case of the sober living and parolee-probationer home, it shall not be located within 1,000 feet of a public or private school (pre-school through 12th grade), student housing, senior housing, child care facilities, public parks and trails or businesses licensed for on-or off-site sales of alcoholic beverages, as measured from any point on the outside walls of the home to the nearest property line of the noted use.
D. Development Standards. Any rooming and boarding house, parolee-probationer home or sober living home shall comply with the following:
1. The facility shall be compatible with the character of the surrounding neighborhood;
2. Sufficient on-site parking shall be provided. The precise number of parking spaces required will be determined by the approving authority based on the operating characteristics of the specific proposal;
3. Both indoor and outdoor open areas shall be provided on site;
4. All setback standards of the underlying zone shall be met;
5. Signs as permitted in Chapter 18.80 ;
6. On-site staff supervision shall be required for parolee-probationer homes and sober living homes during all hours of operation;
7. Individual client stays at parolee-probationer homes and sober living homes shall not exceed 180 days; and
8. The facility's management shall participate in any formal residential crime prevention program (i.e., Crime Free Multi-Housing Program) provided by the City and as required under the conditional use permit. If the program offers certification then that certification shall be obtained and maintained in current status.