Tustin

Tustin is a city located in Orange County, California, in the Los Angeles metropolitan area. In 2020, Tustin had a population of 80,276. The city is located next to the county seat, Santa Ana, and does not include the unincorporated community of North Tustin.
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Tustin ADU Permits and Regulations Resources

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Learn about ADU regulations in the city of Tustin
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Learn about ADU regulations in Tustin
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the average rent for a 2-bedroom apartment in Tustin, CA is $2,940.
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Building permit information for Tustin
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City Planner
(714) 573-3130
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When it comes to financing your ADU, our friends at Loan Depot may be able to help, reach out to one of our home specialists for an introduction!

Regulations

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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
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Front Setback
45’ Note: Front setbacks vary by zoning, please talk to a home specialist to confirm
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Primary Residence Setback
10’
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Side and Rear Setback
4’