The earnings of a loan signing agent in California can vary depending on several factors, such as their level of experience, the number of signings they complete, the types of loans they handle, and the fees they charge. On an average, loan signing agents in California typically earned between $75 to $250 per loan signing.

In some cases, experienced and highly skilled signing agents may be able to charge higher fees, especially if they handle more complex loan transactions or work with high-profile clients. Additionally, agents who work with multiple signing services or have direct relationships with lenders may have more opportunities for signings, which could increase their overall earnings.

It's important to note that market conditions and industry standards may change over time, so it's best to research up-to-date information from reliable sources and consult with loan signing agents currently working in California for more accurate and current earnings estimates.