3 Best ADU Builders in Des Moines, Iowa
Verified ADU contractors and builders in Des Moines, IA
Showing 1–3 of 3 listings
Gra Re Builders
Transform your garage into functional living space with expert conversion services in Des Moines, from planning and permits to complete renovation. Whether you're adding a bedroom, home office, or entertainment area, our experienced team handles every aspect of your garage-to-living-space project with quality craftsmanship and attention to detail.
Premier Construction Services
We specialize in garage-to-living-space conversions throughout Des Moines, transforming underutilized garages into functional bedrooms, home offices, or recreation rooms tailored to your family's needs. Our expert team handles everything from structural modifications and insulation to electrical and finishing work, ensuring your conversion meets all local codes and adds real value to your home.
Zenith Design + Build
We're an award-winning residential remodeling company who believe building a home is an experience and process that enriches people’s lives. We collaborate with clients to design one-of-a-kind homes with quality, service, integrity, and beautiful aesthetics.
Frequently Asked Questions — ADU Builders in Des Moines
How much does it cost to hire an ADU builder in Des Moines?
ADU construction costs in Des Moines, Iowa vary widely depending on size, type, and site conditions. Detached ADUs typically range from $150,000–$400,000+, while garage conversions and attached ADUs can be more affordable. Contact multiple builders in Des Moines to get accurate quotes for your specific project.
How long does it take to build an ADU in Des Moines?
In Des Moines, the ADU construction timeline typically ranges from 6 to 18 months from permit application to move-in. Permitting alone can take 2–6 months depending on Iowa local regulations. Prefab and modular ADUs often have faster timelines than site-built units.
Do I need a permit to build an ADU in Des Moines?
Yes, a building permit is required for ADU construction in Des Moines, Iowa. Your ADU builder will typically handle the permit application as part of their service. Iowa has adopted streamlined ADU permitting laws in recent years, which may reduce wait times.
What types of ADUs can be built in Des Moines?
Common ADU types in Des Moines include detached ADUs (backyard cottages), attached ADUs, garage conversions, basement conversions, and prefab/modular ADUs. The best type for your property depends on lot size, zoning, and budget. A local Des Moines ADU builder can advise on what's allowed on your specific parcel.