Under Mono County's transient rental standards, overnight occupancy of a vacation/transient rental is limited to two persons per bedroom plus two additional persons, with a hard cap of 10 persons unless the Building Official certifies the unit for a higher number. Septic system capacity may impose stricter limits.
Mono County's transient rental standards (General Plan Land Use Element Chapter 26, Transient Rental Standards & Enforcement) cap the number of overnight occupants of a transient/vacation rental. The standard limits maximum occupancy to two persons per bedroom plus two additional persons. For example, a three-bedroom unit would allow up to eight overnight guests (2 x 3 + 2). The County applies an overall cap of 10 persons, which may only be exceeded if the Building Official certifies that the unit meets the standards for a higher occupancy. In some cases the capacity of the property's septic/wastewater system can further limit how many people may stay. The maximum number of occupants must be disclosed to renters — Chapter 26 requires an exterior sign and interior posting that state the maximum occupants allowed. These transient rental standards apply to the County's Vacation Home Rental Permit/transient rental program in unincorporated Mono County; the December 9, 2025 update (MCC Chapter 5.65) reorganized STR permitting into a Use Permit plus Activity Permit process, but the underlying occupancy and conduct standards continue to govern operation. Because permitting was recently consolidated, operators should confirm the exact occupancy figure that applies to their specific unit and permit with the Community Development Department.
Exceeding the posted maximum occupancy (two per bedroom plus two, up to a 10-person cap absent Building Official certification) is a violation of the County's transient rental standards and a typical ground for a code-compliance complaint. Occupancy violations, like other nuisance issues, can lead to enforcement action and may jeopardize renewal of the Short-Term Rental Activity Permit. The maximum occupancy must be posted on and in the unit; failure to post required notices is independently citable. Septic capacity limits, where applicable, are enforced as part of health and safety requirements.
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See how Mono County's occupancy limits rules stack up against other locations.
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