Applies to finished lower floors in Bothell's King County part.
Westhill, Bothell, WA Sewer Backup Cleanup
3 sewer providers in one subarea, and a written estimate after inspection.
Country Village Sewage Cleanup
With 3 providers on these 701 acres, sewer backup cleanup in Westhill, Bothell begins with an address check. The City of Bothell serves land inside its lines, Northshore Utility District serves the south, and Alderwood serves part of the small Snohomish County piece.
Steep slopes, wetlands, and the Swamp Creek and Horse Creek sub-basins in the city's December 2024 plan also shape sewage cleanup in Westhill, Bothell. Have your provider's name ready when you call, because side sewer rules and reporting lines follow the provider.
Local Backup Sources and What Your Restoration Company Does
Your floor level, your provider, or your creek decides which of these 4 Westhill rows applies.
| Backup situation | What your restoration company does |
|---|---|
| Sewage rises into a finished lower floor on a Westhill slope | Scopes basement sewage cleanup room by room, with saturated carpet, pad, and soft plasterboard listed under Public Health Seattle and King County guidance. |
| A home in the Northshore strip near SR-522 backs up | Inspects indoor damage while you ask Northshore, the district mapped over Kenmore too, about its pipe. |
| The small Snohomish County part of Westhill backs up | Names Alderwood in its file and reads the scope against Snohomish County guidance on carpet and pad. |
| Storm water comes off Little Swamp Creek toward a Westhill building | Traces the entry point, because Swamp Creek also runs through Brier and a creek rise differs from a drain backup on an insurance claim. |
Westhill Sewer and Permit Facts
You read this card by address, because your sewer provider and your electric utility both change inside Westhill.
| County | King County, with a small part in Snohomish County |
|---|---|
| Jurisdiction | City of Bothell neighborhood; confirm that your parcel sits inside city limits |
| ZIP code | 98011 (the mostly King County ZIP, read from the county split; the city plan names none, and the Snohomish County part falls outside it) |
| Permit office | City of Bothell Permit Center. Covers parcels inside city limits |
| Sewer and water | City of Bothell, inside its older boundary; Northshore Utility District, in the south and west; Alderwood Water and Wastewater District, in part of the Snohomish County piece |
| Electric and gas | Puget Sound Energy electric on the King County side; Snohomish County PUD electric on the Snohomish County side; Puget Sound Energy gas |
| Flood zones | No FEMA zone was computed for this subarea. Swamp Creek, its floodway, and its 100-year floodplain fall inside the city's shoreline element. |
| Housing | Census housing tables stop at the city line, so Westhill has no age figure. King County Assessor: 41.5 percent of residential buildings in Bothell's King County part have a basement, and 36.6 percent a finished one. |
One call gets you connected.(425) 548-1472
Which Provider Is the Westhill Sewer Utility for My Street?
The Westhill sewer utility for your street is the City of Bothell, Northshore Utility District, or Alderwood. Northshore covers the stretch from NE 178th Street to SR-522, and the city's COBMap tool shows your parcel. A main sewer line backup report goes to that provider, and your restoration company asks which of the 3 you reached.
Westhill Repair Permits Follow City Limits
City limits, not ZIP 98011, decide Westhill repair permits, and parcels inside them go to the City of Bothell Permit Center. The December 2024 plan text still calls the Northshore strip unincorporated, and this site did not recheck its annexation status. Confirm your parcel with the Permit Center at 425-806-6400.
Drywall and insulation appear on no exempt list the city publishes, so ask the Permit Center about them by name. Wiring permits come from Washington L&I. Ask your restoration company to name each drywall and insulation line on its repair list, so the Permit Center hears the exact scope.
Who Do I Call for a Sewage Backup in Westhill at Night?
You call your own provider's after-hours contact for a sewage backup in Westhill at night. City customers use Police non-emergency at 425-577-5656, and Alderwood customers use (425) 787-0250. Northshore's 425-398-4400, printed on Kirkland's city page, has no confirmed night hours here, and your restoration company handles the cleanup inside.
Does a Westhill Home Below the Street Need a Backwater Valve?
Yes, in the City's sewer area, when the Public Works Director finds the maintenance hole rim above your lowest fixture or backup reasonably possible. We found no cost-share program for the valve, though Northshore's pages did not open for this site. A plumber installs it, your restoration company cleans up a basement floor drain backup, and you can raise both on the call.
Westhill Cards Sorted by Lot and Building
You can start with sewage cleanup and sanitizing for a home, or commercial sewage cleanup for a business inside Westhill.
Sets the order of controls, cleaning, and drying in a Westhill home.
Keeps a Westhill business on its own scope and health rule.
Sorts the 3 Westhill providers before anyone touches the pipe.
Shows why the lowest drain on a slope reports the problem first.
Separates Swamp Creek basin storm water from a drain backup.
What Westhill Callers Want to Know
Is Every Westhill Property on Public Sewer?
No, the city's plan says septic systems still serve part of Westhill's undeveloped or partially developed land. Its standards allow septic only with Director approval and a health permit. Name your Westhill system when you call.
Can Cooking Grease Back up a Westhill Sewer?
Yes, the City of Bothell says cooking grease causes up to a third of sewage overflow problems in Bothell. It also says grease build-up can back up into a home. Your restoration company cleans the affected rooms, while the provider or a plumber deals with the line.
Who Pays to Clean up a Backup in a Westhill Home?
The City of Bothell says backup cleanup is the property owner's cost to pay in most cases. Northshore and Alderwood customers ask their own provider. Ask your restoration company to itemize its written estimate.
Places Close to Westhill
Pick the place where your property sits.
Northshore sewer, King County only, and FEMA zones on 4.45 percent of the Census area.
City-owned sewer, Seattle City Light, and homes with a 1968 median build year.
City-run sewer with 2,150 connections, and inspections only Monday, Wednesday, and Friday.
Provider changes at the county line, with valley floor business parks and creek flooding.
Alderwood sewer, PUD power, and business parks inside Bothell city limits.
Now Midtown: 3 sewer pockets, private wells, manufactured homes, and Horse Creek.
Unincorporated land next to Bothell, with Alderwood sewer and Snohomish County permits.
Woodinville Water sewer on part of the city, with 34.4 percent of parcels coded on-site.
The facts on this page come from 21 public documents, among them records from City of Bothell, King County, and US Census Bureau. The how we check sewage facts page lists each one with its check date.
One Phone Call for a Bothell Sewer Backup
Call to ask a local water damage restoration company about extracting the water in your Bothell home.
(425) 548-1472