What is the cost range for a standard septic system versus an Advanced system?
Costs vary greatly with many factors such as the steepness of the land, accessibility for construction equipment, amount of rocks or hardpan which must be excavated in order to install the system, complexity of system design, etc. As a government agency, we are obviously not in a position to quote actual costs for septic systems. However, industry sources suggest that an advanced septic system can cost anywhere from 2 – 5 times as much as a standard system (with the caveat that an advanced septic system may allow a property to be developed where previously the site and/or soil conditions may have been precluded installation of a standard septic system). We recommend you contact a licensed septic system contractor for actual price quotes. You can look in the “yellow pages” under “septic system contractors”, or you can refer to our webpage (Plan Approval Process – Septic Wastewater Systems Program – Alameda County Environmental Health) for a list of contractors and consultants who have d