Below are a few types of documents that may be provided to prove ownership:
Deed or Official record may be the original deed or deed of trust to the property listing you as the legal owner
Title number which lists you on the actual escrow or title document for the purchase of the dwelling
Mortgage payment book or other mortgage documents (late payment notice or foreclosure notice) may be used to verify the ownership when your name is listed along with the damaged dwelling address
Real property insurance for the damaged dwelling with your name listed as the Insured
Tax receipts or a property tax bill showing the damaged dwelling and listing you as the responsible party to the assessments