Hi there! For septic pumping , industry experts recommend having it done every three to five years, depending on your household size and tank capacity. Septic Solutions is hands down one of the best companies for this service. Their experience means they work efficiently and help you understand how to keep your system running optimally between visits. They offer honest advice on maintenance and are always upfront about costs, so you know exactly what to expect. I trust them completely with my septic system care.