Application Instructions: 1. Refer to the requirements outlined on the following page to confirm your eligibility before proceeding. 2.Download and complete one form per permit for each job site. The form is in PDF format, can be filled out electronically and saved. Use this letter if you are a tenant requesting repairs to your home. 4. Please note that you should tailor this letter to the facts in your case. Your advocate may be able to help you fill out this template. The Code Enforcement Program enforces the building and zoning ordinances for the unincorporated areas of Contra Costa County. Customer: The Contra Costa County wants to come into my house to check to see if I am doing construction. A loan application letter for house renovation is a formal request submitted to a lender seeking financial assistance for home improvement projects.