1110 4TH AVE NAPA CA 945593618, NAPA, CA 94559-3618
Tax Assessment & Valuation
The 2026 property tax bill for 1110 4th Ave was $21,064, up 2% from the year before.
Source: Napa County assessment roll, as of October 21, 2026
Property Jurisdictions
Type
Name
State
California
County
Napa County
Unified School District
Napa Valley Unified School District (KG - 12)
Tax Bill & Assessment History
Year
Tax Bill
Assessed Value
Assessed Market Value
2026
$21,064.00 (+2.05%)
$1,887,975 (+2%)Land $883,263Building $1,004,712
$1,887,975 (+2%)Land $883,263Building $1,004,712
2025
$20,641.00
$1,850,957Land $865,945Building $985,012
$1,850,957Land $865,945Building $985,012
2023
$19,547.00 (+1.48%)
$1,779,084 (+2%)Land $832,320Building $946,764
2022
$19,261.00
$1,744,200Land $816,000Building $928,200
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
Flood
FEMA maps place 1110 4th Ave in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 2005.
Source: FEMA National Flood Hazard Layer, effective June 25, 2024 · OpenFEMA NFIP redacted claims and policies, as of September 2026
FEMA Flood Zone
Zone X minimal risk
Flood Insurance Requirement
Not required lenders may require it
Community Rating System
Class 7 (15% premium discount)
Nearby Flood Policies
7 in force
Nearby Flood Claims
1 (2005)
Most Recent Claim
Dec 2005 · Severe Storms, Flooding, Mudslides, And Landslides
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
Wildfire
Wildfire risk around 1110 4th Ave is high, ranking above 72% of the US, with a 0.3% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
Wildfire Risk
High above 72% of the US · above 47% of California
Wildfire Likelihood
0.3% annual chance
Exposure
Direct burnable vegetation
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Drinking Water
Source: EPA Safe Drinking Water Information System, as of September 2026
Water System
CITY OF NAPA serves 84,804 people · EPA ID CA2810003
Water Source
Surface water
Lead
Under 1 ppb (2022–2024) action level 15 ppb
Violations Reported to EPA
Water Quality
None last 10 years
Treatment and Procedure
None last 10 years
Monitoring and Reporting
None last 3 years
Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.
Internet Providers
Source: FCC Broadband Data Collection, based on 34 locations within half a mile, as of December 31, 2025