Builders / Developers

Helpful Documents

  1. Certificate of Sewer Availability - City of Woodinville (PDF)
  2. Certificate of Sewer Availability - King County (PDF)
  3. Certificate of Water Availability - City of Woodinville (PDF)
  4. Certificate of Water Availability - King County (PDF)
  5. Private Wells or Auxiliary Water Supplies (PDF)
  6. Residential Water Meters - General Information (PDF)
  7. Sewer Connection Policy (PDF)
  8. Water and Sewer Application for Service (PDF)

Water and Sewer Connection Charges 

  1. 2025/2026 Sewer System Development Charge - Resolution No 4103 (PDF)
  2. 2025/2026 Water System Development Charge - Resolution No 4102 (PDF)