Plumbing Inspections

**This information includes most, but possibly not all requirements**
During your inspection the inspector will be looking for:

  • Site address
  • Building permit
  • Building plans and site plan
  • Plumbing contractors license number
  • Water and ABS drain lines under test, proper drain and pipe sizing per fixtures
  • 1/4" slope per foot of pipe
  • Hangers and supports
  • **Approved site plans are required to be on-site with the approved plans at all times**
  • Additional inspections may be necessary as required by the Building Official, Fire Marshal, other Mason County Department, or engineer or geologist of record.
  • All construction must conform to the Mason County approved building plans and is subject to field corrections.