Cars & Other Vehicles How much does Septic Genie cost? How much does Septic Genie cost? Price: $285 USD We can custom manufacture Septic Genie units to fit shallow septic tanks or any size septic tank and cesspools. Please contact us at 888-487-7772 if you need a customized solution. Related Posts:How much does a full tank weigh?How long does it take poop to decompose in a septic tank?Are septic tanks ever above ground?What happens if septic tank not pumped?