John O. Williams

State-Certified Septic Contractor — FL DEP #SR0911038 (Registered)John O. Williams is a Florida-registered septic contractor (Florida DEP credential number SR0911038), with an active credential valid through September 30, 2026. Based in Sebastian, Florida, the contractor provides installation, pumping, repair, and maintenance of on-site sewage and septic systems for homeowners and property owners. This credential is verifiable in Florida’s state septic database, confirming the contractor’s authorization to perform licensed septic work, including new system installation, tank pumping, inspections, and repairs.