In Marshall County, Iowa, which covers Marshalltown, we have measured 4,598 parcels on septic and 10,640 on sewer. That is a county measurement. We do not hold a septic count for Marshalltown on its own and this page does not estimate one.
Marshalltown is a city in Marshall County, Iowa. The Census Bureau puts its internal point at 42.0343, -92.906266 and its land area at 19.20 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 |
|---|---|---|---|---|---|
| Marshall County | 224 | 4,598 | 10,640 | county portal | no account needed |
Our collection for Marshall County, Iowa is small, at 224 septic records. Treat it as a starting point for a Marshalltown property rather than a search that settles the question. The county is genuinely mixed: 4,598 of 15,238 classified parcels are on septic and the rest are sewered. Which side of that line a Marshalltown 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 Marshalltown | keeping the system you have working |
| Buyer or seller | Buying or selling in Marshalltown | what to pull and check before closing |
| Realtor | Buying or selling in Marshalltown | the same records a seller needs on file |
| Septic pumper | Septic pumping in Marshalltown | tank access, lids and service interval |
| Inspector | Septic inspection in Marshalltown | what gets checked and what a failure means |
No. We measure septic and sewer at parcel level and roll it up by county. In Marshall County, Iowa, which covers Marshalltown, we have measured 4,598 parcels on septic and 10,640 on sewer. That is a county measurement. We do not hold a septic count for Marshalltown on its own and this page does not estimate one.
Marshalltown is in Marshall County, Iowa.
From the Census ZCTA-to-place relationship file, with the share of Marshalltown’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 Marshalltown.
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 Marshall County, Iowa.