Encroachment Permit Application
If you are requesting an Encroachment Permit Application, or have questions regarding Encroachment Permits, please contact the Napa County Road Department at 707-944-0196.
Special Event Application
If you are requesting a Special Event Application, or have questions regarding Special Events, please contact the Napa County Road Department at 707-944-0196.
Napa County Road District Map Napa County Road and Street Standards - 2016
Guidelines for County Road Maintenance Practices that Protect Aquatic Habitat and Salmon Fisheries (14MB)
Executive Summary of County Bike Plan
Bike Network - Overview
Bike Network - North Valley
Bike Network - Mid Valley
Bike Network - Napa Area
Bike Network - South Valley
Listing of Bike Network - Unincorporated Area
Link to full plan
CalTrans General InformationCalTrans Road Conditions
Napa County Traffic Counts
View online maps that display road information countywide – including updates from the California Highway Patrol and Caltrans.
Online payment for landing fees and overnight charges.
You can pay your Resort Improvement District water/sewer bill online!
Libraries in Calistoga and Napa, earthquake repairs, Earth Day and Watershed Awareness Month!
Ask a question of any division in Public Works
Sign-up to receive occasional updates regarding the County's Voluntary
Groundwater Monitoring Program and County efforts related to the California
Sustainable Groundwater Management Act (SGMA).