Napa County property record for 4070 Spring Mountain Rd, Saint Helena, CA 94574
| Property Type | Winery |
|---|---|
| Details | 3 bd · 3 ba · 4,164 sqft · built 1987 |
| Lot Size | 39.9 acres (1,740,658 sqft) |
| Owner | 2 Company Names on Record |
| Tax Bill | $37,906 (2026) |
| Deeds & Mortgages | Nov 2018 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 020-300-047-000 |
| Primary APN | 020-300-047-000 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 7 Rooms |
| Building Area | 4,164 sqft Gross Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1987 |
|---|---|
| Effective Year Built | Effective 1987 |
| Construction Type | Wood |
| Fire Resistance | Wood or Wood & Steel Frame |
| Lot Area | 1,740,658 sqft |
| Cooling System | HVAC |
|---|---|
| Heating System | Central |
| Old Parcel Number | 020-300-047 |
|---|---|
| Street Address | 4070 SPRING MOUNTAIN RD |
| City | SAINT HELENA |
| State | CA |
| Zip | 94574-9773 |
| Property Category | Industrial |
| Property Type | Industrial > Winery |
| Local Zoning Code | AW |
| Legal Description | SENW SEC 20 T8NR6W |
| 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 Company Names on Record |
|---|---|
| Mailing Address | 4070 SPRING MOUNTAIN RD, SAINT HELENA, CA 94574-9773 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust, Revocable Trust |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | Dec 23, 2024 |
| Transfer Doc | 0000000812 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | NAPA CA |
| Property Address | 4070 SPRING MOUNTAIN RD, SAINT HELENA, CA 94574-9773 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Name | Verified Name |
|---|
| Document Number | 0000021692 |
|---|---|
| Date | Nov 9, 2018 |
| Instrument | 2018-0021692 |
| Name | SUMMIT STATE BANK |
|---|---|
| Type | Bank |
| Address | SANTA ROSA, CA 95406 |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount Recorded |
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 | $37,906.00 (+1.79%) Homeowner's exemption | $3,566,954 (+2%) Land $454,639 Building $3,112,315 | $3,566,954 (+2%) Land $454,639 Building $3,112,315 |
| 2025 | $37,239.00 (+3.26%) Homeowner's exemption | $3,497,016 (+4.04%) Land $445,725 Building $3,051,291 | $3,497,016 Land $445,725 Building $3,051,291 |
| 2023 | $36,063.00 (+4.22%) Homeowner's exemption | $3,361,226 Land $428,418 Building $2,932,808 | |
| 2022 | $34,603.00 |
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 56% of the US · lower than 67% 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 2 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)
Search by:
By searching, you agree to: Terms • Privacy • Disclosures