Santa Clara County does not impose a uniform host-presence rule on short-term rentals. Some unincorporated zoning districts limit STRs to hosted home-share arrangements, while others permit unhosted whole-home rentals subject to permit, tax, and noise rules.
Unincorporated Santa Clara County regulates short-term rentals through Title C zoning and the County's Transient Occupancy Tax (TOT) ordinance. There is no single countywide host-presence mandate; rules vary by zoning district. Hillside, rural-residential, and some agricultural-residential zones effectively limit STRs to hosted home-share use because the underlying use is residential and unhosted commercial lodging is treated as a non-permitted change of use. Standard suburban-residential parcels generally permit unhosted whole-home rentals subject to TOT registration, the County's STR permit, neighbor notification, and occupancy and parking caps. Several incorporated cities (San Jose, Palo Alto, Mountain View) impose explicit host-presence or 180-day cap rules that do not extend to unincorporated parcels.
Operating an STR in a zone where the use is not permitted draws zoning code-enforcement action including stop-rent orders, daily civil penalties, and back-TOT collection plus interest. Repeat unpermitted operation can lead to abatement litigation.
See how Mountain View's host presence rule rules stack up against other locations.
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