Yuliia Bortna 10/8/26 Yuliia Bortna 10/8/26

San Jose ADU Guide (2026): City Rules, Fees, and Permits

San José lets you build an ADU under City or State standards, with no parking required and no impact fees up to 750 sq ft. Here's what you can build, what the city charges, and how the permit works.

San Jose ADU Guide (2026): City Rules, Fees, and Permits

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Here’s the whole process on one page.

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