Short-Term Rental Regulations
in Altadena, CA

Airbnb listings are allowed in Altadena, CA, but with restrictions. STRs are restricted to the host's primary residence (275+ days/year residency required). Un-hosted stays are capped at 90 nights per year with a 2-night minimum, while hosted stays have a 1-night minimum; occupancy is limited to two persons per bedroom plus two, with a maximum of 12 guests. A permit is required before you can host. These rules apply to all short-term rental platforms (Airbnb, Vrbo, Booking.com, etc.) — not just Airbnb specifically. See the official source linked on this page for full requirements. Last verified 2026-05-14.

STRs are restricted to the host's primary residence (275+ days/year residency required). Un-hosted stays are capped at 90 nights per year with a 2-night minimum, while hosted stays have a 1-night minimum; occupancy is limited to two persons per bedroom plus two, with a maximum of 12 guests.

Yes, a permit is required to operate a short-term rental in Altadena. 1. Contact the Treasurer & Tax Collector STR Unit at (213) 974-2011 to obtain a unique account number and activation code. 2. Create an account and submit the application via the county portal (lacountystr.munirevs.com), providing proof of primary residence and signed affidavits. 3. Pay the $914 annual registration fee to receive the certificate, which must be renewed annually.

1. Contact the Treasurer & Tax Collector STR Unit at (213) 974-2011 to obtain a unique account number and activation code. 2. Create an account and submit the application via the county portal (lacountystr.munirevs.com), providing proof of primary residence and signed affidavits. 3. Pay the $914 annual registration fee to receive the certificate, which must be renewed annually.

Vrbo is permitted in Altadena, CA under the same restrictions that apply to Airbnb — local rules govern the rental itself, not the specific platform. You must hold a valid permit before hosting on Vrbo. Last verified 2026-05-14.

Short-term rental hosts in Altadena are typically responsible for lodging, occupancy, and applicable sales taxes — these usually apply even where hosting is allowed without a permit. Rates and remittance rules vary by jurisdiction (state, county, and city can each levy a share); confirm the current rates with the official source linked on this page. Platforms such as Airbnb and Vrbo collect some taxes automatically, but the host remains liable for any not collected on their behalf.

We are not currently tracking any recent short-term rental ordinance changes for Altadena. STR rules change frequently — verify the current requirements with the city or county before listing, using the official source linked on this page.