# Iowa — Septic system inspection at property sale: which states require it

For Iowa, inspection required at sale? is requires that every home or building served by a private sewage disposal system have that system inspected prior to the sale or deed transfer of the home or building. All inspections must be conducted by an inspector that has been certified by the Iowa DNR; authority is Iowa Code 455B.172, verified against its source on 2026-08-18.

- **State:** Iowa _(our reading, not quoted from the source)_
- **Inspection required at sale?:** requires that every home or building served by a private sewage disposal system have that system inspected prior to the sale or deed transfer of the home or building. All inspections must be conducted by an inspector that has been certified by the Iowa DNR _(verified: appears in the quote below)_
- **Authority:** Iowa Code 455B.172 _(verified: appears in the quote below)_

## What the source says

> Iowa's Time of Transfer (ToT) inspection law, as established in Iowa Code 455B.172, requires that every home or building served by a private sewage disposal system have that system inspected prior to the sale or deed transfer of the home or building. All inspections must be conducted by an inspector that has been certified by the Iowa DNR.

## Source

- https://www.iowadnr.gov/environmental-protection/water-quality/private-sewage-disposal-and-septage/time-transfer

Last verified: 2026-08-18. Review by: 2027-08-18.
Part of [Septic system inspection at property sale: which states require it](https://referencesource.org/septic-inspection-at-property-transfer/).