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Short-Term Rental Regulations
in Contra Costa County, CA

Last verified: March 2026 · Report an update

Zoning & Conditions

Non-hosted rentals are capped at 90 days per year, while hosted rentals are capped at 180 days; accessory dwelling units (ADUs) are prohibited from being used as STRs. Occupancy is limited to two persons per bedroom plus two additional guests (excluding children under 12), and specific off-street parking minimums apply based on the number of bedrooms.

How to Obtain a Permit

Complete the Short-Term Rental Checklist and Application and submit it via email to planningintake@dcd.cccounty.us or through the online ePermit Center. Applicants must also obtain a valid Business License and Transient Occupancy Registration Certificate; permits must be renewed annually at least 30 days prior to expiration.

Official Resources

Official Contra Costa County STR regulation source

Frequently Asked Questions

Are short-term rentals allowed in Contra Costa County, CA?
Non-hosted rentals are capped at 90 days per year, while hosted rentals are capped at 180 days; accessory dwelling units (ADUs) are prohibited from being used as STRs. Occupancy is limited to two persons per bedroom plus two additional guests (excluding children under 12), and specific off-street parking minimums apply based on the number of bedrooms.
Is a permit required to operate a short-term rental in Contra Costa County?
Yes, a permit is required to operate a short-term rental in Contra Costa County. Complete the Short-Term Rental Checklist and Application and submit it via email to planningintake@dcd.cccounty.us or through the online ePermit Center. Applicants must also obtain a valid Business License and Transient Occupancy Registration Certificate; permits must be renewed annually at least 30 days prior to expiration.
How do I get a short-term rental permit in Contra Costa County?
Complete the Short-Term Rental Checklist and Application and submit it via email to planningintake@dcd.cccounty.us or through the online ePermit Center. Applicants must also obtain a valid Business License and Transient Occupancy Registration Certificate; permits must be renewed annually at least 30 days prior to expiration.

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