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Local ADU Rules

Napa Sonoma ADU maintains rules summaries for all member communities. For information about other communities’ rules, use local contact information.

City of American Canyon

City of Calistoga

City of Napa

City of Rohnert Park

City of St. Helena

City of Yountville

County of Napa

Non-Member Communities

Please use the information on the Contact page to reach out to these communities directly:

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