Discover the Cost of Your Dream ADU
Building an Accessory Dwelling Unit (ADU) can be one of the smartest investments for your property. Our ADU Cost Calculator helps you estimate the cost based on your specific location and project details — in just a few easy steps.
Tell Us About Your Backyard
Step 2 – What type of building is your property?
Multifamily residential (5+ units)
2-4 Unit building
Single family residence
Step 3 – Do you have Architectural Plans?
Yes, I have plans
No, I don't have plans
Please add photos or files of your Architectural Plans:
Maximum files: 10. Maximum upload file size: 10MB. Allowed file types: jpg, png, pdf.
Step 4 – What is the condition of your property’s terrain?
This helps us understand how the land might affect construction costs.
Flat
Site is flat and nearly level and ready for a foundation.
Some slope
Site has minimal slope that can be relatively easily levelled.
Large slope
Site has significant slope that requires machinery for leveling.
Please add photos or files of your property condition:
Maximum files: 10. Maximum upload file size: 20MB. Allowed file types: jpg, png, pdf.
Step 5 – What type of ADU construction are you planning?
Select the option that best matches your intended project.
New Detached ADU
Garage Addition
Junior ADU (JADU)
Garage Conversion
Step 6 – How accessible is the area where the ADU will be built?
This helps us understand the effort required to reach the construction zone.
Easy Access
The building site can be accessed directly via a road/driveway.
Partial Access
Access is partly limited by landscaping or existing structures.
Limited Access
Access is fully limited by landscaping or existing structures.
Build Your ADU
Step 7 – How many bedrooms would you like in your ADU?
Select the number of bedrooms that best suits your needs.
Studio
1 Bedroom
2 Bedrooms
3 Bedrooms
Step 8 – How many bathrooms would you like in your ADU?
Choose the number of bathrooms that fits your layout and lifestyle.
1 Bath
2 Baths
3 Baths
Step 9 – What type of kitchen would you like in your ADU?
Choose between a compact kitchenette or a full-size kitchen based on your needs.
Kitchennette
Full kitchen
Step 10 – How large do you want your ADU to be?
Use the slider to select your preferred square footage.
.
ft²
Step 11 – Tell Us About Yourself
Complete and select all fields to see your calculated.
Hard Costs
Bedrooms Price:
Architectural Plans:
Bathroom Price:
Kitchen Price:
Building Envelope:
--
--
--
--
--
Total Costs:
Square Footage Price:
