Yes, in California he probably has an equitable claim to a share of the rents. His claim may be subject to a fairly short statute of limitations, probably 2 years, so the longer he waits, the more passes beyond his reach. The property expenses such as mortgage interest, property taxes, utilities not paid by the tenant, management fees and hazard insurance would get paid "off the top," and only what is left is subject to his claim to a half.
Answered on Apr 04th, 2014 at 5:44 PM