A mortgagee interested in remaining a lender instead of an owner of the secured property should not hastily commence the foreclosure process. As for most mortgage foreclosures, there is no registration required.The Harris County Delinquent Tax Sale is the monthly public auction of real estate for past due property taxes. The first step for a lender's attorney in a foreclosure case is to conduct a thorough review of the loan file including the deed, note, and deed of trust. The equity in a piece of real estate is the difference between the value of the real estate and the amount owed on mortgage liens.