How much does it cost to build an ADU in Mesa?
ADU construction costs in Mesa typically range from $150,000 to $350,000 depending on size, design, and finishes. Garage conversions are generally less expensive ($80,000–$150,000), while custom-built detached ADUs can cost more. Get free quotes from our listed tiny home builders to compare prices.
Do I need a permit to build an ADU in Mesa, Arizona?
Yes, ADU construction in Mesa requires building permits. Arizona has specific ADU regulations, and local zoning laws may have additional requirements. Our listed builders can help you navigate the permitting process.
How long does it take to build an ADU in Mesa?
ADU construction timelines in Mesa typically range from 4–12 months, depending on the project type. Prefab ADUs can be installed in 2–4 months, while custom builds may take 8–12 months including design and permitting.