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Napa County, CA

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Encroachment Permits

Contact Information

American Canyon: 707-647-4521
City of Napa: 707-257-9438
Yountville: 707-944-8851
St. Helena: 707-968-2658
Calistoga: 707-942-2828
Napa County (Unincorporated Areas): 707-253-4351

Contact Us

Stormwater Program

Physical Address
804 1st Street
Napa, CA 94559

Phone: 707-259-8620

Fax: 707-259-8619

Directory

State General Construction Permit
Encroachment Permits
Construction Site Runoff Control
Post-Construction Runoff Management

Permits
& certificates

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County Administration Building 1195 Third Street Napa, CA 94559 Contact Us Contact the Webmaster

Napa County Public Information Call Center: 707-253-4540

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Napa County, California

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