Can you build an ADU in Des Moines, IA?
The provided sources do not state whether accessory dwelling units are permitted, by district, or under what standards. This should be checked directly in the current Chapter 134 use and supplemental regulations.
Confidence: low · Last researched June 2026
Related questions
What zoning districts are in Des Moines, IA?
Des Moines, IA includes districts such as Downtown (DX) districts, Neighborhood (N) districts, Neighborhood Mix (NX) districts, Mixed-Use (MX/X) districts, Industrial (I) districts, Public, Civic and Institutional (P) districts, Agriculture (A) districts, Flood (F) districts.
Are there flood zones or overlay districts in Des Moines, IA?
Floodplain and stormwater risk are clearly the strongest confirmed environmental constraints in the provided source set. Des Moines has invested heavily in levees, storm sewers, detention, and buyouts, and floodplain mapping remains an important site-level due diligence step.
Have there been recent zoning changes in Des Moines, IA?
The main confirmed recent citywide zoning event in the source set is adoption of Des Moines’s new Chapter 134 zoning ordinance in 2019, with later amendments noted through 2022 in the PDF source and codification through Ordinance No. 16,543 adopted March 9, 2026 in the Municode library.
Full investor analysis
You've seen the general rule. The full Des Moines, IA report shows which districts allow ADUs by-right vs. by special permit, the approval path and timeline, and the overlay/flood constraints that quietly kill ADU projects here. First town report is free.
Get the full Des Moines, IA report free →More about Des Moines, IA zoning
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This summary is AI-generated from public municipal sources and is not legal, engineering, or land-use advice. Always verify zoning with Des Moines, IA officials before making decisions.
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