Castle KeepersCastle Keepers House Cleaning provides professional, eco-friendly residential cleaning services in Charleston, Greenville, and Spartanburg, with online quotes and booking. They emphasize green, non-toxic cleaning and use water-saving methods, backed by certifications such as Cleaning Industry Management Standard and Green Building designation, plus background-checked, trained cleaners. They guarantee customer satisfaction and collect post-cleaning feedback via a Cleaning Scorecard as part of their service.