If the tenant did not take possession of the premises (took the keys to the premises), then you are not entitled to any rent under the rental agreement. You may charge an application fee or credit check fee, but that's about $35. You may be able to sue for consequential damages for your breach of contract, because you held the premises available for the prospective tenant. However, you can only charge until you rent out the premises, or should have rented out the premises. You can sue in small claims court in the county where the premises are located. Here is a link that may help you: http://www.courts.ca.gov/selfhelp-smallclaims.htm
Answered on Jan 15th, 2016 at 9:19 AM