Regulatory framework
The code baseline for Marshall County.
No separate 2026 technical building-code edition was identified. Marshall County administers and enforces its zoning, floodplain, land-development, and platting/subdivision regulations in unincorporated territory. The zoning ordinance requires site-plan and permit review for compliance with county regulations and applicable Iowa Department of Transportation, Health, Natural Resources, and other state-agency requirements.
Inspection lane
Submit the approved building-permit application to the Planning and Zoning Administrator with duplicate scaled plans, lot/building dimensions and location, intended use, a survey or recorded-plat basis, the required fee, and a staked building location before construction. The application is reviewed for zoning, floodplain, and platting compliance, with comments requested from the Engineer, Auditor, Assessor, Sanitarian, Conservation, and other agencies as needed. Contact 641-844-2707 for review or inspection coordination; no separate inspection calendar was published.