Sunnyvale ADU Permits and Regulations

As of January 1, 2020 the city of Sunnyvale updated their ADU zoning to comply with the state mandate and accommodate ADU’s. Since then, there’s been high demand from Sunnyvale homeowners looking to maximize their property.
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Sunnyvale ADU Resources

City Code of Ordinances

Learn about ADU regulations in the city of Sunnyvale

Sunnyvale’s ADU Ordinance and Updates

Learn about ADU regulations in Sunnyvale

Rental rate trends in Sunnyvale

The average rent for a 2 bedroom apartment in Sunnyvale is $2,750

Sunnyvale building permits

Building permit information for Sunnyvale

City Planner Info

408-730-7444

Financing Options

When it comes to financing your ADU, our friends at San Mateo Credit Union offer ADU Loans, reach out to one of our home specialists for an introduction!

Regulations

Max ADU Size

Lot under 9,000 sqft: 600 sqft
Lot between 9,000 and 1000 sqft: 650 sqft
Lot over 10,000 sqft: 800 sqft

Front Setback

45’

Note: Front setbacks vary by zoning, please talk to a home specialist to confirm

Primary Residence Setback 10’

Side and Rear Setback
4’

Additional setback requirements may apply under the Building and Fire Codes or as a result of “no-build” easements or require compliance with existing easement restrictions.

Events & News

We are here to help you understand everything we’ve learned from ADU building

California's New ADU Laws: What You Should Know

What are Accessory Dwelling Units (ADUs)?

Building an ADU in California

We covered the new state laws, our process and the advantages of building with us.

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