The ADU Marketplace for California

Everything you need to get accurate estimates from contractors for your ADU project. Get help with ADU feasibility, design, permitting and sourcing contractors for your project 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 Seaside, CA

Garage Conversion in Oakland, CA

The ADU Marketplace Process

Get ADU Property Report

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.

Your free report includes:

Local codes analysis
Project recommendations
Browse ADU Design Studio

Browse ADU Design Studio

Select from the largest ADU design library on the internet. We provide flexible and practical design solutions to meet the needs of most properties.

Each design order includes:

Floor plans & elevations
3D exterior & interior models
Preliminary site plan
Contractor site-visits & estimates

Draft ADU Permit Set

Once you have your ADU design nailed down, it’s time to request final contractor bids and submit for project permits. We specialize in drafting the blueprints you need to get permits and source cost estimates from contractors for your ADU project.

Your project plans include:

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 Project Estimates

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

ADU Marketplace

Pre-qualified contractors
Source accurate estimates
Transparency on the platform

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.