Side sewer permits in City of Redmond: fees, timeline & requirements (2026)

Everything you need to know about pulling a side sewer permit in City of Redmond, Washington — when one is required, what it costs, how long review takes, what documents are required, and which inspections you can expect. Cited to Redmond uses ePlans portal..

Look up your City of Redmond address

Free lookup, no account needed — your lot polygon, zoning, setbacks and overlays, cited to City of Redmond's source.

Permit required?
Yes — see threshold below
Permit fee
Side-sewer permits typically $150-$500; depth-based surcharge in some cities. Utility-issued, not building-permit-issued. Apply via https://eplans.redmond.gov.
Review timeline

When does a side sewer need a permit in City of Redmond?

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.

From City of Redmond's own code

It is unlawful to make any connection with any public or private sanitary sewer, without complying with all of the provisions of this chapter in relation thereto and having a permit to do so from the City. (Ord. 3255 § 5, 2026; Ord. 208 § 6, 1957).
Source ↗verified 2026-09-06

Required submittals

  • site plan with sewer line route
  • depth + slope detail
  • cleanout locations
  • utility locate ticket

Inspection sequence

  1. pre-cover (open trench)
  2. air / water test
  3. final

Contractor specialties needed

side-sewer-contractor

Who can do this work in City of Redmond?

Kolmo Construction is a licensed Washington general contractor — KOLMOL*753JS, active through April 10, 2027, bonded and insured — working throughout City of Redmond and King County. Kolmo prepares the drawings and submittals, files the side sewer permit with Redmond uses ePlans portal., carries the project through review and inspections, and performs the construction. Call (206) 410-5100 for a City of Redmond side sewer quote.

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.

Side sewer permit fee estimate in City of Redmond

Worked example for a $25,000 side sewer project (plumbing permit). Your actual fee scales with project valuation.

Building permit fee$300
Plan review$195
WA state surcharge$6.5
Estimated total$501.5

Side-sewer permits typically $150-$500; depth-based surcharge in some cities. Utility-issued, not building-permit-issued. Apply via https://eplans.redmond.gov. Computed from the City of Redmond fee bracket schedule · source ↗. Impact/utility fees may apply separately.

How to apply yourself

  1. 1. Confirm your parcel's zoning & overlays. Run an address lookup for your City of Redmond side sewer — we'll pull your specific lot polygon, zoning, setbacks, and any shoreline/ECA/historic overlays.
  2. 2. Assemble submittals (4).
  3. 3. Submit through the city portal: Redmond uses ePlans portal.
  4. 4. Track review (typical: ). Respond to reviewer comments promptly.
  5. 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://eplans.redmond.gov.) and pick up the permit. Inspection card travels with the job.

Or have Kolmo do it

We pull side sewer permits in City of Redmond every month. We prepare the drawings and submittals, file with Redmond uses ePlans portal., handle reviewer comments, and build the project.

(206) 410-5100

Licensed WA general contractor KOLMOL*753JS · bonded & insured

Side sewer permits in City of Redmond — FAQ

When does a side sewer need a permit in City of Redmond?

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.

How much does a side sewer permit cost in City of Redmond?

For a $25,000 side sewer project, the estimated City of Redmond permit fee is about $501.5 — building fee $300 + plan review $195 + surcharges. Fees scale with project valuation per the city schedule.

City of Redmond resourcesPermit portal ↗Fee schedule ↗