Removing Musty Smell From Basement. It's essential to keep your basement free of musty odors and the presence of mold to maintain a healthy home. You just need to locate the source and get rid of it, and then remove the odor using a few things you probably already have around the house. + The musty smell in your basement from unfettered mold and mildew growth also presents potential harm to your home's structure.
A sliced fresh onion will work magic in a musty basement. But both can cause your basement to smell musty and need to be removed. If you have eliminated the damp basement smell, you don't want it to return.
Mold smells: A guide to the probable sources of moldy or musty odors in buildings Why do we smell a variety of different odors indoors, maybe from mold or from Moldy Musty Smells in Buildings Causes & cures.
If you spot water, remove leaves and other debris that could be clogging the outside window wells.
Clean the gutters to remove dead leaves, twigs, nests and other debris that maybe causing a clog. But both can cause your basement to smell musty and need to be removed. Good ventilation is one solution; if you have windows in the basement, open them on dry days to allow air to flow in and out.