Accessory Dwelling Unit (ADU) Construction in Roswell, GA — Costs $75,020 to $437,617
What does accessory dwelling unit (adu) construction cost in Roswell? Average $187,550, ranging $75,020–$437,617. Labor runs $42.62/hr locally — 25% above the national average. Free breakdown with material + labor split.
Roswell, GA Market
+25% vs nationalLabor Rate
$42.62/hr
Material Index
108
Avg Permit Cost
$1,505
Median Home Price
$425,000
In a smaller market like Roswell, Georgia, the pool of contractors specializing in accessory dwelling unit (adu) construction may be more limited. Getting 3+ quotes is especially important to ensure fair pricing. At 25% above the national average, Roswell is one of the more expensive markets for home improvement — driven primarily by above-average labor rates in the region. The median home in Roswell is valued at $425,000, putting this project at about 44.1% of home value — a moderate investment with a projected 80% ROI.
Low Estimate
$75,020
National: $60,000
Mid-Range
$187,550
National: $150,000
High End
$437,617
National: $350,000
Per Sq Ft
$313
National: $250
Accessory Dwelling Unit (ADU) Construction Cost Calculator for Roswell
Adjusted for Roswell's labor rate ($42.62/hr) and material costs (index 108).
Mid-grade materials, good quality fixtures, standard options.
Estimated Total in Roswell
$187,550
Based on 200 sq ft at mid quality, adjusted for Roswell market rates.
Local Cost Breakdown
At Roswell's average rate of $42.62/hr (42% above national avg)
Material cost index 108 (8% above national baseline of 100)
Accessory Dwelling Unit (ADU) Construction vs. Home Value in Roswell
| Metric | Roswell | National Avg |
|---|---|---|
| Accessory Dwelling Unit (ADU) Construction (Mid-Range) | $187,550 | $150,000 |
| Median Home Price | $425,000 | $350,000 |
| Project as % of Home Value | 44.1% | 42.9% |
| Estimated ROI | 80% | 80% |
| Median Household Income | $82,000 | $75,000 |
What Affects the Price in Roswell
- 1Local labor rates ($42.62/hr in Roswell)
- 2Material cost index (108 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 Roswell, GA
Second Story Addition
$250,067
Room Addition
$112,530
Swimming Pool Installation
$79,057
Garage Addition
$68,768
Home Addition
$98,664
Inground Swimming Pool
$77,950
Attic Conversion
$69,705
Swimming Pool Construction
$63,368
Accessory Dwelling Unit (ADU) Construction in Other Georgia Cities
Planning a Accessory Dwelling Unit (ADU) Construction in Roswell
Building permits are typically required for a accessory dwelling unit (adu) construction in Roswell. The average permit fee in this area is $1,505, 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 Roswell, skilled contractors charge an average of $42.62/hr, and the specialized nature of this work means cutting corners on labor can lead to costly rework.
With a median household income of $82,000, many Roswell residents can budget for this project through savings. The mid-range cost of $187,550 represents 229% of the typical household's annual income.
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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