In Washtenaw County, Michigan, which covers Chelsea, we hold 11,810 septic records. Parcels there are not yet classified septic against sewer, so this page reports documents held and nothing beyond them.
Chelsea is a city in Washtenaw County, Michigan. The Census Bureau puts its internal point at 42.311392, -84.019416 and its land area at 3.62 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 |
|---|---|---|---|---|---|
| Washtenaw County | 11,810 | none held | none held | county portal | no account needed |
We hold 11,810 septic records for Washtenaw County, Michigan. That is a substantial partial collection rather than a complete one, so a Chelsea property may or may not appear in it, and the county archive remains the authority. 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 Chelsea | keeping the system you have working |
| Buyer or seller | Buying or selling in Chelsea | what to pull and check before closing |
| Realtor | Buying or selling in Chelsea | the same records a seller needs on file |
| Designer or engineer | Septic design in Chelsea | design flow, tank capacity, dispersal sizing |
| Installer or contractor | Septic installation in Chelsea | site evaluation, permit sequence, inspection |
| Septic pumper | Septic pumping in Chelsea | tank access, lids and service interval |
| Inspector | Septic inspection in Chelsea | what gets checked and what a failure means |
| Land investor | Septic installation in Chelsea | 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 Washtenaw County, Michigan, which covers Chelsea, we hold 11,810 septic records. Parcels there are not yet classified septic against sewer, so this page reports documents held and nothing beyond them.
Chelsea is in Washtenaw County, Michigan.
From the Census ZCTA-to-place relationship file, with the share of Chelsea’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 Chelsea.
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 Washtenaw County, Michigan.