Accessory Dwelling Unit (ADU) Construction in Davenport, IA — Costs $47,660 to $278,017
What does accessory dwelling unit (adu) construction cost in Davenport? Average $119,150, ranging $47,660–$278,017. Labor runs $23.36/hr locally — 21% below the national average. Free breakdown with material + labor split.
Davenport, IA Market
-21% vs nationalLabor Rate
$23.36/hr
Material Index
81
Avg Permit Cost
$836
Median Home Price
$200,702
Davenport is a mid-sized city in Iowa with a healthy pool of local contractors. Homeowners generally have several options to compare for a accessory dwelling unit (adu) construction, which helps keep pricing competitive. Davenport is well below the national average for renovation costs, making it a favorable market for homeowners considering a accessory dwelling unit (adu) construction. At a median home price of $200,702, homeowners in Davenport should weigh the project cost (59.4% of home value) carefully against expected returns to avoid over-improving for the local market.
Low Estimate
$47,660
National: $60,000
Mid-Range
$119,150
National: $150,000
High End
$278,017
National: $350,000
Per Sq Ft
$199
National: $250
Accessory Dwelling Unit (ADU) Construction Cost Calculator for Davenport
Adjusted for Davenport's labor rate ($23.36/hr) and material costs (index 81).
Mid-grade materials, good quality fixtures, standard options.
Estimated Total in Davenport
$119,150
Based on 200 sq ft at mid quality, adjusted for Davenport market rates.
Local Cost Breakdown
At Davenport's average rate of $23.36/hr (22% below national avg)
Material cost index 81 (19% below national baseline of 100)
Accessory Dwelling Unit (ADU) Construction vs. Home Value in Davenport
| Metric | Davenport | National Avg |
|---|---|---|
| Accessory Dwelling Unit (ADU) Construction (Mid-Range) | $119,150 | $150,000 |
| Median Home Price | $200,702 | $350,000 |
| Project as % of Home Value | 59.4% | 42.9% |
| Estimated ROI | 80% | 80% |
| Median Household Income | $47,037 | $75,000 |
What Affects the Price in Davenport
- 1Local labor rates ($23.36/hr in Davenport)
- 2Material cost index (81 vs national 100)
- 3Attached vs detached
- 4Size and bedroom count
- 5Kitchen and bath quality
- 6Local ADU regulations
Popular Upgrades
- Full kitchen
- Separate entrance
- Solar panels for energy independence
Other Projects in Davenport, IA
Second Story Addition
$158,867
Room Addition
$71,490
Swimming Pool Installation
$51,835
Garage Addition
$43,688
Home Addition
$63,672
Inground Swimming Pool
$51,937
Attic Conversion
$43,602
Swimming Pool Construction
$39,638
Accessory Dwelling Unit (ADU) Construction in Other Iowa Cities
Planning a Accessory Dwelling Unit (ADU) Construction in Davenport
Building permits are typically required for a accessory dwelling unit (adu) construction in Davenport. The average permit fee in this area is $836, though costs vary based on project scope. Permit fees in this market are above average — factor them into your total budget. Plan for 6-18 months from start to finish.
A accessory dwelling unit (adu) construction is a complex project best left to licensed professionals. In Davenport, skilled contractors charge an average of $23.36/hr, and the specialized nature of this work means cutting corners on labor can lead to costly rework.
In Davenport, where the median household income is $47,037, a $119,150 project requires careful budgeting. Look into home improvement loans, HELOC options, or local grants that may be available in Iowa.
Accessory Dwelling Unit (ADU) Construction — National Guide
See the full national cost guide with DIY tips, cost factors, and ROI analysis.
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