Napa County Property Tax Rate — California 2026
In Napa County, California, homeowners pay a median annual property tax of $5,840 on a median home value of $838,800, resulting in an effective property tax rate of 0.70%. This rate is roughly in line with the California state average (0.71%) and 0.21% lower than the national average (0.91%).
How Napa County Compares
Homeowners in Napa County enjoy a relatively low property tax burden compared to both the California state average and the national average.
Property Tax Calculator for Napa County
Enter your home’s estimated market value to calculate your approximate annual property tax in Napa County, California.
This estimate uses the effective tax rate of 0.70% based on ACS data. Actual taxes may differ based on local assessments, exemptions, and levies.
Housing Breakdown
Property Tax Details for Napa County, California
The median property tax paid by homeowners in Napa County is $5,840 per year. Based on a median home value of $838,800, this translates to an effective property tax rate of 0.70%.
For context, the statewide median property tax in California is $4,926 with an effective rate of 0.71%, while the national average effective rate stands at 0.91%. Napa County’s effective rate is roughly in line with the California state average (0.71%).
Of the 49,663 housing units in Napa County, approximately 64.40% are owner-occupied and 35.60% are renter-occupied. Homeownership rates can influence local tax policy, as communities with higher ownership rates often see more voter engagement on property tax issues.
Important: The data on this page is for informational purposes only and should not be used as tax advice. Actual property taxes depend on your property’s assessed value, local millage rates, and any applicable exemptions. Contact your county assessor’s office for precise tax information.