average cost of pumping septic tank
1 On average, the price for septic tank pumping can range anywhere from $75 to $500 depending on the size of the tank and the job that it entails. 2  Larger septic tanks can cost anywhere from $200 to $500.3  These tanks will generally hold more than 1,500 gallons. As for contracting companies, there are some that would charge by the hour while others may charge per job completion. 2  On average, the price for septic tank pumping can range anywhere from $75 to $500 depending on the size of the tank and the job that it entails. 3  Larger septic tanks can cost anywhere from $200 to $500.