In Skagit County, Washington, which covers Sedro-Woolley, we have measured 18,281 parcels on septic and 24,293 on sewer. That is a county measurement. We do not hold a septic count for Sedro-Woolley on its own and this page does not estimate one.
Sedro-Woolley is a city in Skagit County, Washington. The Census Bureau puts its internal point at 48.511356, -122.232137 and its land area at 4.35 square miles. Septic permitting and record keeping happen at the county level, not the city level, which is why every figure below is attributed to the county and linked back to the county page it came from.
| County | Records we hold | Parcels on septic | Parcels on sewer | County records portal | Searchable without an account |
|---|---|---|---|---|---|
| Skagit County | 17,997 | 18,281 | 24,293 | county portal | no account needed |
We hold 17,997 septic records for Skagit County, Washington. That is a substantial partial collection rather than a complete one, so a Sedro-Woolley property may or may not appear in it, and the county archive remains the authority. The county is genuinely mixed: 18,281 of 42,574 classified parcels are on septic and the rest are sewered. Which side of that line a Sedro-Woolley address falls on is worth establishing before anything else. The county publishes a records portal that we were able to search without creating an account, which makes checking a specific parcel something you can do yourself in a few minutes.
Septic is one subject with very different jobs inside it. These go straight to the page that does yours.
| If you are a | Go to | Because it covers |
|---|---|---|
| Homeowner | Septic pumping in Sedro-Woolley | keeping the system you have working |
| Buyer or seller | Buying or selling in Sedro-Woolley | what to pull and check before closing |
| Realtor | Buying or selling in Sedro-Woolley | the same records a seller needs on file |
| Designer or engineer | Septic design in Sedro-Woolley | design flow, tank capacity, dispersal sizing |
| Installer or contractor | Septic installation in Sedro-Woolley | site evaluation, permit sequence, inspection |
| Septic pumper | Septic pumping in Sedro-Woolley | tank access, lids and service interval |
| Inspector | Septic inspection in Sedro-Woolley | what gets checked and what a failure means |
| Land investor | Septic installation in Sedro-Woolley | whether raw land can take a system at all |
These are real businesses we hold an address for, not a ranked or paid list. We take no fee and list nobody preferentially. Confirm current licensing with your county or state before hiring.
With an address in Sedro-Woolley itself
| Business | Town on file | Phone | Rating |
|---|---|---|---|
| E & E Contracting | Sedro-Woolley | (360) 966-1041 | — |
| Advanced Septic Services | Sedro Woolley | (360) 856-0550 | — |
| McMonagle, Bearrach C. (Barry) | Sedro Woolley | (360) 507-1687 | — |
No. We measure septic and sewer at parcel level and roll it up by county. In Skagit County, Washington, which covers Sedro-Woolley, we have measured 18,281 parcels on septic and 24,293 on sewer. That is a county measurement. We do not hold a septic count for Sedro-Woolley on its own and this page does not estimate one.
Sedro-Woolley is in Skagit County, Washington.
From the Census ZCTA-to-place relationship file, with the share of Sedro-Woolley’s land area that falls in each. A ZIP is not a place boundary and the two only ever partly agree, which is exactly why both pages exist.
Straight-line distance from the Census internal point of Sedro-Woolley.
Parcel Perfect generates a code-shaped septic design and as-built style drawing for a parcel from the records and site data we hold, and shows every parcel we have classified as septic or sewer on one map. Both are open to use for any parcel in Skagit County, Washington.