Owner’s manuals and warranties for appliances left in the house. 

• Garage door opener. 
• Extra sets of house keys. 
• A list of local service providers — the best dry cleaner, yard service, plumber, etc. 
• Code to the security alarm and phone number of the monitoring service if not discontinued. 
• As a courtesy, you could provide numbers to the local utility companies. 
• If it’s a condo, leave information on how to contact the condo board.