Loan Rebate, Inc., a Full Service Online Mortgage Company Offering: Mortgages, Refi, ARM, and Mortgage Refinance Loans Headquartered in California, San Diego, Loan Rebate is an internet mortgage brokerage that provides discounted loans without sacrificing the service, knowledge or expertise. We are a full service mortgage brokerage firm with an experienced staff offering service in mortgage lending for resale and new home purchases and refinance. Loan Rebate, Inc. is the leading $0 closing cost mortgage broker in San Diego, CA.