Riverside County, CA Rental Property Rules: Relocation Assistance (2026)

Any building or portion thereof, regardless of zoning designation or approved uses of the building, including any dwelling unit, guestroom or suite of rooms, or the premises on which the same is located, in which there exists any of the following listed conditions to an extent that endangers the life, limb, health, property, safety, or welfare of the occupants of the building, nearby residents, or the public shall be deemed and hereby is declared to be a substandard building: (a) Inadequate sanitation shall include, but not be limited to, the following: (1) Lack of, or improper water closet, lavatory, or bathtub or shower in a dwelling unit. [...] (5) Lack of hot and cold running water to plumbing fixtures in a dwelling unit. (6) Lack of adequate heating. (7) Lack of, or improper operation of required ventilating equipment. (8) Lack of minimum amounts of natural light and ventilation required by this code. [...] (11) Dampness of habitable rooms. (12) Infestation of insects, vermin, or rodents as determined by a health officer or, if an agreement does not exist with an agency that has a health officer, the infestation can be determined by a code enforcement officer, as defined in Section 829.5 of the Penal Code, upon successful completion of a course of study in the appropriate subject matter as determined by the local jurisdiction. (13) Visible mold growth, as determined by a health officer or a code enforcement officer, as defined in Section 829.5 of the Penal Code, excluding the presence of mold that is minor and found on surfaces that can accumulate moisture as part of their properly functioning and intended use. (14) General dilapidation or improper maintenance. (15) Lack of connection to required sewage disposal system. [...] (b) Structural hazards shall include, but not be limited to, the following: (1) Deteriorated or inadequate foundations. (2) Defective or deteriorated flooring or floor supports.