Side sewer permits in City of Bellevue: fees, timeline & requirements (2026)
Everything you need to know about pulling a side sewer permit in City of Bellevue, Washington — when one is required, what it costs, how long review takes, what documents are required, and which inspections you can expect. Cited to Bellevue Development Services.
When does a side sewer need a permit in City of Bellevue?
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: Bellevue Development Services ↗
- 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://mybuildingpermit.com.) and pick up the permit. Inspection card travels with the job.