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
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
Link to Countywide Pedestrian Plan - adopted by County in February, 2017
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!
Weathering the storms, groundwater report released, and a hero among us!
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).