For many of us, the garage is the land of “I’ll deal with it later.” It’s the default destination for seasonal decorations, bulk buys, and anything that doesn’t have a clear home inside. While it’s a valuable space for home storage, its lack of climate control makes it a surprisingly hostile environment for many everyday items. The wild swings in temperature, humidity, and exposure to pests can silently ruin your belongings, create safety hazards, and even cost you money.
Expert consensus from home safety specialists, professional organizers, and even pest control technicians is clear: not everything belongs in the garage. Understanding the unique environmental challenges of this space is the first step toward better garage organization and protecting your investments. This guide breaks down the five categories of items you should never store in your garage, explains the science behind the risks, and provides practical, safer alternatives for a more secure and functional home.