In Whatcom County, Washington, which covers Birch Bay, we have measured 24,490 parcels on septic and 47,647 on sewer. That is a county measurement. We do not hold a septic count for Birch Bay on its own and this page does not estimate one.
Birch Bay is a census-designated place in Whatcom County, Washington. The Census Bureau puts its internal point at 48.923367, -122.745262 and its land area at 17.08 square miles. Septic permitting and record keeping happen at the county level, not the census-designated place 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 |
|---|---|---|---|---|---|
| Whatcom County | 158,422 | 24,490 | 47,647 | county portal | no account needed |
Whatcom County, Washington is one of the more heavily documented counties in our collection: we hold 158,422 septic records for it, so the odds that a specific Birch Bay address already has a filed document we can point you at are good. The county is genuinely mixed: 24,490 of 72,137 classified parcels are on septic and the rest are sewered. Which side of that line a Birch Bay 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 Birch Bay | keeping the system you have working |
| Buyer or seller | Buying or selling in Birch Bay | what to pull and check before closing |
| Realtor | Buying or selling in Birch Bay | the same records a seller needs on file |
| Designer or engineer | Septic design in Birch Bay | design flow, tank capacity, dispersal sizing |
| Installer or contractor | Septic installation in Birch Bay | site evaluation, permit sequence, inspection |
| Septic pumper | Septic pumping in Birch Bay | tank access, lids and service interval |
| Inspector | Septic inspection in Birch Bay | what gets checked and what a failure means |
| Land investor | Septic installation in Birch Bay | whether raw land can take a system at all |
No. We measure septic and sewer at parcel level and roll it up by county. In Whatcom County, Washington, which covers Birch Bay, we have measured 24,490 parcels on septic and 47,647 on sewer. That is a county measurement. We do not hold a septic count for Birch Bay on its own and this page does not estimate one.
Birch Bay is in Whatcom County, Washington.
From the Census ZCTA-to-place relationship file, with the share of Birch Bay’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 Birch Bay.
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 Whatcom County, Washington.