Riverside County requires online hosting platforms to display the local STR certificate number on every listing for unincorporated parcels. Platforms that knowingly host unpermitted Wine Country or unincorporated RivCo properties face enforcement and may be required to delist non-compliant units.
Under Ord. 927 and related TOT collection agreements, platforms such as Airbnb and VRBO are expected to collect the county's transient occupancy tax and to require a valid certificate number before listings go live. The county periodically scrapes platform data and matches listings against its certificate database. Listings without a valid number receive notice, and continued failure to verify can result in platform-side legal action and potential injunctive relief. This complements California's broader effort under AB 5 and AB 38 to push platform accountability for short-term rental compliance.
Listing an unpermitted unit can lead to platform delisting, civil penalties, and recovery of unpaid TOT plus interest from the host.
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Side-by-side rule comparisons with other cities in Riverside County.
See how Anza's host platform liability rules stack up against other locations.
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