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1. Who needs septic as-built information?

State law requires that homeowners inspect and maintain their septic system to ensure it is functioning properly. An as-built drawing shows the location of your drain field, which is also useful for:

• Property owners doing landscaping or building
• Real estate professionals preparing for a purchase or sale
• Septic professionals doing maintenance or repair

2. What information is in an as-built record?

• Year installed
• Property information
• Type and location of the septic system installed on the property

3. Where does septic information on the as-built site come from?

In general, the only information included is the as-built drawing, which is the final drawing of what your system looks like after installation. Additional information on the property’s septic system may be on file at the Snohomish County Health Department.

The "Property Site Information" and "Property Owner Information" sections are from the Snohomish County Assessor’s Office and are updated on a routine basis. The "OnlineRME" and "Comments" sections are entered by the Snohomish County Health Department Land Use program. Attached scans are from the district’s files.