Marshalltown has four solely residential districts:
- RR Rural Residential
- RL Low-Density Residential
- RM Medium-Density Residential
- RH High-Density Residential
To verify what the zoning classification of a particular property is, contact the Zoning Office. A setback is the distance from the property line to the structure. All residential districts have front, side, and rear yard setbacks. Corner lots may have additional setback requirements.