Use this calculator to enter your current property value, your existing home's square footage, and the ADU size you are considering. The tool estimates projected value added, build cost using $250 per square foot, and estimated net equity. Arizona ADU Builders provides no-cost proposals, custom floor plans, 3D renderings, and full permitting support for homeowners throughout Arizona.
As you enter your numbers, the calculator estimates your current value per square foot, the projected value of a new ADU, the estimated build cost, and a simple net equity forecast. This is a planning tool designed to help you understand the financial side of building a high-quality Arizona ADU.
Typical ADU sizes update the forecast instantly.
These estimates are based on your current value per square foot and an average construction cost of $250 per square foot. Final pricing can vary depending on utilities, excavation, finishes, access, engineering, and local jurisdiction requirements.
Estimated added property value based on a 600 square foot ADU using your current value per square foot.
This compares your current estimated property value with the projected value after adding the ADU size you entered, along with the estimated value added by that new space.
Estimated added property value and estimated build cost based on the ADU size entered above.
Based on a 600 sq ft ADU, estimated monthly rental income may range from $1,500 to $2,100 per month depending on location, finishes, amenities, parking, and market demand. That equates to approximately $18,000 to $25,200 in potential annual rental income.
Based on the property details entered above, an ADU of 600 sq ft may add approximately $203,116 in estimated property value. Using an estimated average build cost of $250.00 per square foot, the projected construction cost would be about $150,000, which may result in approximately $53,116 in estimated net equity. Arizona ADU Builders manages engineering, permitting, proposals, floor plans, and 3D renderings so homeowners can move forward with clarity.
Create a clean printable report based on the numbers you entered.
