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Roads
Airport
Animal Shelter
Conservation
Flood Project
Other Services
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Flood Project
Stormwater Program
Development
Encroachment Permits
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
State General Construction Permit
Encroachment Permits
Construction Site Runoff Control
Post-Construction Runoff Management
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