Accessory Dwelling Units (ADU)

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Accessory Dwelling Units (ADUs) are secondary housing units that can be attached or detached accessory structures associated with single or multifamily dwellings. ADUs are part of the solution to Santa Cruz County’s critical housing shortage and high housing costs.

LEARN

Overview of ADU Regulations

Cost Considerations

Frequently Asked Questions

APPLY

Is your parcel eligible to add an ADU?

Estimate Your Fees and Construction Costs

Apply for a Building Permit

Pre-Designed ADU plans: Link here.

ADU How-to Guide, including Septic System Information: Click here and use the pass code: +hF&8iI5

ADU Incentive Programs: Free technical assistance for qualifying homeowners. See link here. Program Flyer in English & Spanish

ADU Professionals in the County: Link here.

SIGN UP FOR EMAIL UPDATES ABOUT COUNTY REGULATIONS FOR ADUs AND TINY HOMES:

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ATTENTION ADU PROPERTY OWNERS!

If you own an ADU in unincorporated Santa Cruz County, please complete our survey to help improve the County's ADU program.

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