Side sewer permits in City of Shoreline: fees, timeline & requirements (2026)
Everything you need to know about pulling a side sewer permit in City of Shoreline, Washington — when one is required, what it costs, how long review takes, what documents are required, and which inspections you can expect. Cited to Shoreline uses its own permit center..
When does a side sewer need a permit in City of Shoreline?
Side-sewer permits issued by the local utility (Seattle SPU; King County WTD; per-city utility elsewhere) under 2021 UPC + city utility code. Triggered by new connection, repair >2 ft of pipe, relining (CIPP), or capping at the property line for demolition.
Required submittals
- site plan with sewer line route
- depth + slope detail
- cleanout locations
- utility locate ticket
Inspection sequence
- pre-cover (open trench)
- air / water test
- final
Contractor specialties needed
side-sewer-contractor
Notes & caveats
Issuing body is the sanitary sewer utility, NOT the building department. Side-sewer contractor must hold city-specific side-sewer card (Seattle: SPU side-sewer contractor registration). Inspection by utility, not city building inspector.
How to apply
- 1. Confirm your parcel's zoning & overlays. Run an address lookup on the main permits page — we'll pull your specific lot polygon, zoning, setbacks, and any shoreline/ECA/historic overlays.
- 2. Assemble submittals (4).
- 3. Submit through the city portal: Shoreline uses its own permit center. ↗
- 4. Track review (typical: —). Respond to reviewer comments promptly.
- 5. Pay issuance fees (Side-sewer permits typically $150-$500; depth-based surcharge in some cities. Utility-issued, not building-permit-issued. Apply via https://www.shorelinewa.gov/government/departments/planning-community-development. Shoreline uses its own permit center.) and pick up the permit. Inspection card travels with the job.
