8440 S St, Saint Helena, CA 94574 Property Records

Napa County property record for 8440 S St, Saint Helena, CA 94574

Property Summary

Property TypeVineyard
Lot Size54.3 acres (2,367,050 sqft)
OwnerCompany Name on Record
Tax Bill$393,854 (2026)
Flood ZoneZone X (minimal risk)
APN030-190-019-000

Property Details

APN / Parcel Number

Primary APN030-190-019-000
Alternative APNs
  • 030-190-019
  • 03019019

Exterior

Lot Area2,367,050 sqft

Location & Zoning

Old Parcel Number030-190-019
Street Address8440 S ST HELENA HWY
CitySAINT HELENA
StateCA
Zip94574
Property CategoryAgriculture or Farming
Property TypeAgriculture / Farming > Vineyard
Local Zoning CodeAP
Legal DescriptionLLA 499-A ST HWY R/W 1615/674
Legal SubdivisionCAYMUS RANCHO
JurisdictionNAPA CA
Township / Civil DivisionST. HELENA
Census Block Group2
Census Block2017
Census Tract201500

Owner

Source: Napa County records, as of October 21, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of RecordCompany Name on Record
Mailing AddressPO BOX 38, RUTHERFORD, CA 94573-0038
Owner TypeCompany
VestingCompany

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Record UpdatedOct 29, 2026

Tax Assessment & Valuation

Source: Napa County assessment roll, as of October 21, 2026

Property Jurisdictions

TypeName
StateCalifornia
CountyNapa County
Unified School DistrictSt. Helena Unified School District (KG - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2026$393,854.00 (-1.68%)$37,188,928 (-1.82%) Land $7,815,403 Building $29,373,525$37,188,928 Land $7,815,403 Building $29,373,525
2025$400,593.00 (-8.44%) Additional exemption filed$37,878,060 (-8.07%) Land $8,753,984 Building $29,124,076
2023$437,509.00 (+10.39%) Additional exemption filed$41,203,582 Land $9,952,477 Building $31,251,105
2022$396,341.00

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

Source: FEMA National Flood Hazard Layer, effective June 25, 2024 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it
Flood Insurance CostPremium on Record
median of 91 policies
Community Rating SystemClass 7 (15% premium discount)
Nearby Flood Policies91 in force
Nearby Flood Claims56 (1982–2019)
Claims Outside the SFHA14 of 56
Most Recent ClaimFeb 2019 · Severe Winter Storms, Flooding, Landslides, And Mudslides
Claims by Event
  • Severe Storms, Flooding, Mudslides, And Landslides, Jan 2006 · 13 claims
  • Severe Winter Storms, Flooding Landslides, Mud Flow, Mar 1995 · 13 claims
  • Severe Winter Storms, Flooding, Landslides, Mud Flows, Jan 1995 · 8 claims

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

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire RiskLow
lower than 99.1% of the US · lower than 99.2% of California
Wildfire LikelihoodUnder 0.01% annual chance
ExposureNone
beyond ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Internet Providers

Source: FCC Broadband Data Collection, based on 4 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Verizon
Fixed Wireless
300 / 20
Starlink
Satellite
280 / 30
Valley Internet
Fixed Wireless
200 / 100
T-Mobile
Fixed Wireless
25 / 3

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