I discovered what appear to be abandoned oil supply and return lines in the attic of a recent home inspection in Anacortes on Fidalgo Island. This suggests there was an oil fired appliance in the home, historically, likely an oil furnace, subsequently removed. Typically, when oil tanks and appliances are removed, so too are the oil supply and return lines. In this case, while I didn’t see any visible evidence of an underground historic oil tank on the property- originally constructed in 1957- I recommended verifying that the previous oil tank had been properly removed and/or decommissioned. Decommissioning oil tanks, especially if underground storage tanks, can be costly, so it was important to follow up on this detail for my clients.