CalculatorNest

ADU Cost Calculator for Home Addition Estimates

Estimated ADU Cost

N/A

This is a rough estimate. Actual costs vary by location and finishes.

Estimate the Cost of Building an ADU

An Accessory Dwelling Unit (ADU), also known as a granny flat or in-law suite, can be a great way to add value and living space to your property. This calculator helps provide a ballpark estimate for the construction cost.

How It Works

The cost of building an ADU can vary widely. This tool gives an estimate based on two main factors:

  • Square Footage: The total size of your planned ADU.
  • Quality of Finishes: Choose between basic, mid-range, and high-end finishes, which significantly impact the overall cost.

    • Enter these details to receive a rough cost estimate. This does not include costs for permits, site preparation, or utility connections, which can vary by location.

    Frequently Asked Questions