Whether you’re new to building or a seasoned pro, there’s no denying that developing new homes and neighborhoods is complicated. While working together, it’s our desire to make this process as streamlined as possible and with few surprises or delays. To keep this process moving smoothly, we’ve created easy-to-follow process graphics to help chart your way through the development steps. Please review the guidelines and process charts linked below.

Starting the Process to Get Water and/or Sewer Service For a Development

• Make a Public Records Request for as-built drawings.
• Per District Code, a Developer Extension Agreement (DEA) is required in the following cases:
  • If you are subdividing your property.
  • If your development proposal is for a multi-family or commercial development.
  • If a water and/or sewer main extension is required.
  • If District staff determines that a DEA is appropriate for other activities.
  • If you are unsure, please contact the District's office.
• Apply for a DEA and associated Certificates of Water and Sewer Availability (PDF).
  • Email completed and scanned applications to connectinfo@spwater.org. 
• Review DEA and associated forms
  • Developer Extension Agreement (DEA)
  • Design and Technical Specifications and Construction Details

• Still have questions? We will be happy to help please call us at: 425.295.3212 or e-mail us at DEA@spwater.org.