Rancho Cucamonga STR occupancy is capped based on bedrooms with a typical formula of 2 persons per bedroom plus 2 additional. The STR permit sets the maximum overnight occupancy.
RCMC Chapter 8.34 sets maximum occupancy for STRs based on the number of legal bedrooms in the dwelling. The standard formula limits overnight occupancy to two persons per bedroom plus two additional persons, consistent with California HCD guidance. Daytime guest counts may be limited separately to prevent the property from functioning as a de facto event venue. Bedrooms must meet California Building Code minimum size, ceiling height, natural light, ventilation, and egress standards to be counted. Convertible spaces like dens, lofts, and sunrooms without code-compliant egress windows typically cannot be counted as bedrooms. The approved maximum occupancy is listed on the STR permit and must be posted inside the unit near the primary entrance. Exceeding the posted occupancy is a violation of the permit and can trigger administrative citations and, after repeat violations, permit revocation. Infants under 2 are typically not counted toward occupancy.
Contact your local code enforcement office for specific penalty information.
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