A cockroach infestation often produces a distinct, musty, oily odor due to the secretion of pheromones and the decay of dead roaches. The smell can become more noticeable as the infestation grows, making it an indicator of a potential problem. Regular cleaning and pest control are key to addressing the issue and eliminating the odor. Visit: https://safepestsol.com/cockroach-infestation-smell/