The cost of a typical Title 5 septic design ranges from $1,950 – $2,450 for an average system. This would include a perc test, topographic survey, system design, revisions, inspections and final as-built drawings.
If wetlands are in close proximity to the design area a wetland filing can add another $500-700 in fees for wetland delineation, conservation commission filing and meeting representation.
A backhoe or small excavators is required for the perc test and soil evaluation. An average cost for this is about $300-$500.
Town fees range from as little as no charge to well over $1,000. An average cost for a soil evaluation, plan review and construction permit is about $500.
It is very important to obtain a quote from a designer of what the total fee will be start to finish. All of the above design services are required and any reputable designer should quote you the total fees.
Green Hill Engineering will provide you with a proposal that will list the fees from start to finish.