San Jose ADU Permits and Regulations

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

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San Jose ADU Resources

City Code of Ordinances

ADU’s are discussed in part 4.5, starting at Chapter 20.30.460

San Jose’s ADU Ordinance and Updates

This planning commission report was put together to amend Title 18 of the Municipal Code so the city of Fremont could accommodate ADU’s.

Rental rate trends in San Jose

The average San Jose rent is $1,910

San Jose’s ADU Handbook

This was prepared in September 2020

City Planner Info


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!


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


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

Primary Residence Setback 10’

Side and Rear Setback

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

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