Built on Family. Driven by Excellence.

We’re Bailey and Tyler Costello — two brothers from Chester County with a vision to set a new standard for commercial cleaning.

Costello Cleaning Co. was born from the belief that excellence is non-negotiable. We offer premium cleaning packages for businesses that care about consistency, appearance, and a space that reflects their reputation. From local offices to banks and galleries, our mission is simple: Deliver spotless results with unmatched professionalism. We don’t cut corners. We clean them.