Home addition builders in Des Moines, IA
A typical home addition project runs $40,000 to $150,000. Tell us about yours and compare bids from local pros.
How Much Does Home Addition Cost in Des Moines, IA?
Typical Range
$40,000 to $150,000
The typical Home Addition project range is $40,000 to $150,000, a general range for the service. Upscale Home Addition projects in this area run about $315,640 (Cost vs Value data). Mid-range projects in this region recoup about 45% at resale (Cost vs Value data).
Home Addition cost figures for Des Moines
| Figure | Amount and source |
|---|---|
| Typical project range | $40,000 to $150,000Typical project range from our service pricing data. |
| Average job cost (city data) | $155,208Remodeling Cost vs Value data, city figure. |
| Average resale value (city data) | $70,203Remodeling Cost vs Value data, city figure. |
Primary Suite Addition ROI Trend
Des Moines ROI by year
| Year | ROI |
|---|---|
| 2019 | 57.4% |
| 2020 | 71.5% |
| 2021 | 58.2% |
| 2022 | 56.9% |
| 2023 | 23.1% |
| 2024 | 25.0% |
| 2025 | 45.2% |
Source: Remodeling Cost vs Value data, 2019 to 2025.
What affects home addition in Des Moines?
Licensing
Iowa requires a Contractor Registration from Iowa Department of Inspections, Appeals, and Licensing (DIAL). Look up any contractor here: https://laborportal.iwd.iowa.gov/iwd_portal/dashboards/contractor-home.
About Des Moines, IA
- Population
- 212,421
- Source: U.S. Census Bureau, American Community Survey, 2024
- Median household income bracket
- $60,000-$74,999
- Source: U.S. Census Bureau, American Community Survey, 2024
- Median annual property tax bracket
- $3,000 or More
- Source: U.S. Census Bureau, American Community Survey, 2024
- Climate zone
- IECC climate zone 5A
- Source: 2021 International Energy Conservation Code climate zone map
- Storm history
- From 2016 through 2025, Polk County recorded 127 hail events of 1 inch or larger, 34 severe hail events of 1.75 inches or larger, 202 damaging-wind events of 58 mph or stronger, and 16 tornado events, per NOAA Storm Events data.
- Source: NOAA Storm Events Database
ZIP codes in Des Moines
50009, 50047, 50211, 50309, 50310, 50311, 50312, 50313, 50314, 50315, 50316, 50317, 50319, 50320, 50321, 50322
From our guides
The Certificate of Insurance is a summary document, not a guarantee of coverage. It is a one-page snapshot of what policies existed at the time an insurance agent issued the form.
From How to Read a Contractor's Certificate of Insurance (COI) A bump-out and a full addition serve different purposes. Choosing the wrong one either overspends on a problem that didn't need a full addition, or undershoots and creates a space that still doesn't work. Here's how to match the right approach to your actual project.
From Bump-Out Addition vs. Full Addition: Which Makes Sense for Your Project? Midwest homeowners considering an addition in 2025 are weighing a real tension: building costs have increased 30–40% since 2020, but so have home values.
From Home Addition ROI in the Midwest: Is It Worth It in 2026?
Home Addition in Des Moines: common questions
How much does home addition cost in Des Moines, IA?
A typical home addition project runs $40,000 to $150,000. That is a general range for the service, not a quote for Des Moines, IA. Your price depends on size, materials and access, so compare bids for your specific project.
How do I get bids for home addition in Des Moines, IA?
Describe your project in the bid form on this page. Companies that take this kind of work may contact you with bids. There is no obligation to hire anyone.