The amount incurred depends on the services you procure. If you do everything by yourself, you would expect to spend $70 for filing your registration documents, and $800+$20 to keep up with your statutory requirements. The $20 fee is due every two years. For people who use intermediaries like create California LLC LegalZoom, the costs increase because you're going to pay for the convenience services. You cannot expect to pay the same as someone who is doing everything by themselves. Also, if your revenue is higher than the base rate, you will pay an additional fee based on the estimate of your projected income. The base rate stands at $250,000.