The ADU Marketplace for California

Everything you need to get accurate estimates from contractors for your ADU project. Get the help you’re looking for with project feasibility, design and permitting in one place.

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See what homeowners have built, with us...

Detached ADU in Livermore, CA

Detached ADU in Hayward, CA

Garage Conversion in Oakland, CA

Detached ADU in Palo Alto, CA

Project Feasibility

Before making decisions, you’ll need to know what type of ADU(s) are the best fit for your property, based on state and local codes. Leverage our experience working with thousands of homeowners across 400+ jurisdictions in California to help get these answers.

ADU Property Report

Zoning code analysis
Property hazards check
Project consultation Q&A

Design Concepts

Every ADU project starts with concept designs. We provide the most flexible and practical design solutions to meet the needs of most properties.

ADU Design Report

3 concept designs based on your needs and specifications
Preliminary site plan and model of the existing property
Design consultation and updates included as needed

Plans & Permits

Once you have your design concepts nailed down, it’s time to draft plans and submit them for permits. We specialize in drafting the construction documents you need to get permits and source cost estimates from contractors for your ADU project.

ADU Permit Set

Architectural plans
Structural plans
Title 24 certification
Revisions included*

"Professional set of plans, fast turn-around. This is the best company out there for your ADU plans."

John in Vacaville, CA

Ordered ADU Permit Set

Navy Blue ADU in Livermore, CA

1,000 Sq. Ft. Built in 2020 - Completed Cost: $245,000

Get Estimates

Source estimates from pre-qualified contractors near you who know the ADU construction process.

ADU Marketplace

Pre-qualified contractor network
Quickly source estimates
Transparency on the platform

Ready to take the next step? Check your property to get started!

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Accelerating the ADU Movement in California.

Everything homeowners need to know to build Accessory Dwelling Units.

Terms & Disclosure: Housable is providing information about specific properties that is furnished to users as a good faith estimate of the development potential of a property. You should not in any way base your development, investments, or other financial decisions on this information. We strongly advise you to consult with an industry professional, for example a lender, realtor, contractor or architect who is sufficiently licensed and insured in their field, and can work with you individually to confirm all requirements before moving forward with any real estate development or investment.