William J. Gross

State-Certified Septic Contractor — FL DEP #SR0201881 (Registered)William J. Gross is a Florida-registered septic contractor (Florida DEP credential number SR0201881, active through September 30, 2026). Based in Lake City, 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 current licensure for new system and drainfield installations, inspections, tank pumping, and related repairs.

Compare all 12 state-certified septic contractors in Lake City, each matched to a Florida DEP septic registration.