North Seattle plumbing / guide 31
SPU says a Seattle property owner generally owns the side sewer from the building to the connection with the public main. Inspection evidence is still needed to locate a condition and assign the correct work.
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Roots, winter inflow, old pipe material, and settlement may appear in general guidance. Only a labeled property inspection can show what is present along a particular route.
Gather the side-sewer map or card, affected fixtures, maintenance history, camera file, distance labels, and exact location of each observed feature.
A provider may identify a public-main or connection concern for SPU review. Preserve the provider statement and utility determination as separate evidence.
What to observe now
Keep the notes factual. A visible clue can direct an inspection without proving what is hidden.
Use the public record for planning without treating it as a current condition report.
Identify the last building-drain point included in the provider's inspection.
Request direction, distance, access point, and a clear description of each feature.
Retain the SPU reference and its own finding about the main or connection.
Confirm permit and inspection steps for the actual method and location.
Responsibility
Closeout record
The repair file should cover ownership boundary, chosen method, bids, access, right-of-way needs, SPU permit, inspection, restoration, video, invoice, and future maintenance.
Current primary sources
Public procedures and status can change. Use the source that owns the decision.