There are many medical coding jobs available in California that offer remote work options. Here are some websites where you can search for remote medical coding jobs in California:

1. Indeed.com - Indeed is a popular job search website that lists remote medical coding jobs in California.
2. Remote.co - Remote.co is a website that specializes in remote job listings. They have a section for medical coding jobs, and you can search for positions in California.
3. FlexJobs.com - FlexJobs is a paid job search website that screens for legitimate remote job opportunities. They have a section for medical coding jobs, and you can search for positions in California.
4. ZipRecruiter.com - ZipRecruiter is a job search website that lists remote medical coding jobs in California.
5. LinkedIn.com - LinkedIn is a professional networking website that lists remote job opportunities. You can search for medical coding jobs in California and filter by remote work options.

Make sure to read the job descriptions carefully and check the qualifications and requirements before applying. Good luck with your job search!