The answer to 'why is my countertop odor' is that there are several common causes, including food spills, grease buildup, and bacteria growth. Countertop odors can be caused by a variety of issues, from improper cleaning to moisture problems.
Some of the most common symptoms of countertop odor include a persistent, unpleasant smell that won't go away even after cleaning. The odor may be localized to a specific area of the countertop or permeate the entire surface. In some cases, you may also notice discoloration, staining, or visible grime on the countertop.