Napa County property record for 4078 Spring Mountain Rd, Saint Helena, CA 94574
| Property Type | Winery |
|---|---|
| Lot Size | 19.9 acres (869,458 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $1,250,000 (Mar 2005) |
| Tax Bill | $30,477 (2026) |
| Deeds & Mortgages | Aug 2017 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 020-300-035-000 |
| Primary APN | 020-300-035-000 |
|---|---|
| Alternative APNs |
|
| Lot Area | 869,458 sqft |
|---|
| Old Parcel Number | 020-300-035 |
|---|---|
| Street Address | 4078 SPRING MOUNTAIN RD |
| City | SAINT HELENA |
| State | CA |
| Zip | 94574-9773 |
| Property Category | Industrial |
| Property Type | Industrial > Winery |
| Local Zoning Code | AW |
| Legal Description | S1/2SW1/4NW1/4 SEC 20 T8NR6W H 020300036000 020300036000 N |
| Jurisdiction | NAPA CA |
| Township / Civil Division | ST. HELENA |
| Census Block Group | 1 |
| Census Block | 1007 |
| Census Tract | 201500 |
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 Record | 2 Individual Names on Record |
|---|---|
| Mailing Address | PO BOX 327, SAINT HELENA, CA 94574-0327 |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Mar 15, 2005 · Amount on Record |
| Deed Sale | Mar 15, 2005 · Amount on Record |
| Prior Sale | Apr 6, 1998 · Amount on Record |
| Deed Document Number | 20059563 |
| Prior Transfer Date | Mar 9, 2005 |
| Prior Transfer Doc | 0000009562 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | NAPA CA |
| Property Address | 4078 SPRING MOUNTAIN RD, SAINT HELENA, CA 94574-9773 |
| Transaction Type | Mortgage |
| Record Updated | Jul 21, 2022 |
| Name | Verified Name |
|---|
| Document Number | 0000019777 |
|---|---|
| Date | Aug 31, 2017 |
| Instrument | 2017-0019777 |
| Name | SILICON VALLEY BANK |
|---|---|
| Type | Bank |
| Type | Commercial Mortgage |
|---|
| Rate Type | Adjustable Rate |
|---|
Source: Napa County assessment roll, as of October 21, 2026
| Type | Name |
|---|---|
| State | California |
| County | Napa County |
| Unified School District | St. Helena Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $30,477.00 (+1.79%) | $2,880,465 (+2%) Land $1,580,188 Building $1,300,277 | $2,880,465 Land $1,580,188 Building $1,300,277 |
| 2025 | $29,942.00 (+9.72%) | $2,823,986 (+10.47%) Land $1,549,204 Building $1,274,782 | |
| 2023 | $27,290.00 (+12.35%) | $2,556,349 Land $1,489,048 Building $1,067,301 | |
| 2022 | $24,291.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
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 |
| Flood Insurance Cost | Premium on Record median of 41 policies |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 41 in force |
| Nearby Flood Claims | 18 (1982–2012) |
| Claims Outside the SFHA | 4 of 18 |
| Most Recent Claim | Dec 2012 · rainfall accumulation |
| Claims by Event |
|
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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 58% of the US · lower than 65% of California |
|---|---|
| Wildfire Likelihood | 0.1% annual chance |
| Exposure | Direct burnable vegetation |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: FCC Broadband Data Collection, based on 12 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Starlink Satellite | 280 / 30 |
| Valley Internet Fixed Wireless | 150 / 75 |
5G and 4G LTE (outdoors only)
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