BUILDING A NEW HOME
If you’re building a new home in a neighborhood without a sewer—which is most of Vashon, except where Vashon Sewer District operates—you will need to establish a water source and find out what type of septic is feasible given your soil characteristics, lot size, any nearby sensitive environmental areas, and house size. Consult a septic designer.
Who can design a new septic system?
There are no septic designers who live on Vashon. King County provides a list of septic designers:
According to Niece Pumping, the designers they see most often are:
Michael Cooper 253-576-5937 cooperconsultinginc@gmail.com
Brad Davis 425-248-1140
Jeff Amman 360-794-7809 jeffamman@gmail.com
Rocky Anderson 253-850-3242 or 253-203-1200