Primary-Residence-Only Rule
Santa Clara does not require every short-term rental to be the host's primary residence, but the Zoning Code ties unlimited operation to it: a hosted unit, one where the host lives on-site as a primary residence, can rent year-round, while an unhosted unit is capped at 90 days a year.
Santa Clara Short-Term Rental Host Presence Rule
Some RestrictionsSanta Clara, CA, City Code §§ 18.60.250(C)(2), 18.160.080
Host. A person who occupies as his or her primary residence the same residential dwelling unit as a short-term rental. ... Annual Limit. a. Where the host is present within the unit, the dwelling unit may be occupied as a short-term rental for an unlimited number of days per calendar year. b. Where a host is not present (unhosted), the dwelling unit may be occupied as a short-term rental no mor...