Donald R Crosby

State-Certified Septic Contractor — FL DEP #SM0051477 (Master)Donald R Crosby is a Florida Master Septic Tank Contractor, holding active DEP credential number SM0051477, valid through September 30, 2026. Based in Hawthorne, Florida, the contractor provides installation, pumping, repair, and maintenance of on-site sewage and septic systems for property owners. This state-issued credential is verifiable in Florida’s official septic contractor database, confirming compliance with state licensing requirements for septic system work.