About Us
ADU Costs helps homeowners plan accessory dwelling units from the ground up - from understanding what shapes a project’s cost to connecting with vetted local professionals who can build it.
We’re an independent marketing and referral platform - not a contractor. When you reach out, we learn about your property, your goals, and the kind of ADU you’re considering. Then we match you with independent professionals in our network who handle design, permitting, and construction.
You receive a free, no-obligation quote and work directly with the pro you choose. Our role is to make the first step simpler and to help you understand the factors behind your project, so you can move forward with confidence.
What We Value
We help you understand the factors behind your project, so there are no surprises down the road.
We connect you with independent professionals experienced in accessory dwelling unit work.
Every quote is free and no-obligation. The decision is always entirely yours.
Every lot and home is different, so guidance is tailored to yours from the start.
Service Area
Our network serves homeowners across California, with local professionals who know the requirements and conditions in their communities.
Based in California — proudly serving homeowners nationwide through our partner network.
Reach out and we’ll connect you with vetted local pros for a free, no-obligation quote.
info@aducosts.com