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Short-Term Rental Regulations
in Altadena, CA

Last verified: March 2026 · Report an update

Zoning & Conditions

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.

How to Obtain a Permit

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.

Official Resources

Official Altadena STR regulation source

Frequently Asked Questions

Are short-term rentals allowed in Altadena, CA?
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.
Is a permit required to operate a short-term rental in Altadena?
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.
How do I get a short-term rental permit 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.

Disclaimer

This information is for general reference only and may not reflect the most current regulations. STR regulations change frequently. Always verify requirements with official local government sources before operating a short-term rental.

Last verified: March 2026 · Suggest a correction