Napa County property record for 931 Main St, Saint Helena, CA 94574
| Property Type | Commercial Building, Warehouse, Showroom |
|---|---|
| Details | 700 sqft · built 1946 |
| Lot Size | 2.21 acres (96,268 sqft) |
| Owner | Trust Name on File |
| Tax Bill | $7,409 (2026) |
| Flood Zone | Zone AE (high risk) |
| APN | 009-180-039-000 |
| Primary APN | 009-180-039-000 |
|---|---|
| Alternative APNs |
|
| Building Area | 700 sqft Gross Area |
|---|
| Year Built | Built 1946 |
|---|---|
| Effective Year Built | Effective 1990 |
| Construction Type | Wood |
| Fire Resistance | Wood or Wood & Steel Frame |
| Lot Area | 96,268 sqft |
| Old Parcel Number | 009-180-039 |
|---|---|
| Street Address | 931 MAIN ST |
| City | SAINT HELENA |
| State | CA |
| Zip | 94574-2010 |
| Property Category | Commercial |
| Property Type | Commercial > Retail > Commercial Building, Warehouse, Showroom |
| Jurisdiction | NAPA CA |
| Township / Civil Division | ST. HELENA |
| Census Block Group | 1 |
| Census Block | 1001 |
| Census Tract | 201601 |
931 Main St, a commercial property, is held in a trust since May 2015.
Source: Napa County records, as of October 21, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 5812 BLUE GUM AVE, MODESTO, CA 95358-8536 |
| Owner Type | Company |
| Vesting | Trust |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Last Transfer Date | May 27, 2015 |
| Transfer Doc | 0000015562 |
| Record Updated | Oct 29, 2026 |
The 2026 property tax bill for 931 Main St was $7,409, up 1.7% from the year before.
Source: Napa County assessment roll, as of October 21, 2026
| Type | Name |
|---|---|
| State | California |
| County | Napa County |
| Municipality | St. Helena City |
| Unified School District | St. Helena Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $7,409.00 (+1.66%) | $630,311 (+2%) Land $568,508 Building $61,803 | $630,311 Land $568,508 Building $61,803 |
| 2025 | $7,288.00 | $617,953 Land $557,361 Building $60,592 | |
| 2023 | $7,075.00 (+3.82%) | $593,959 Land $535,719 Building $58,240 | |
| 2022 | $6,815.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 931 Main St in Zone AE, a high-risk flood area; flood insurance is required for federally backed loans.
Source: FEMA National Flood Hazard Layer, effective June 25, 2024 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone AE high risk |
|---|---|
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | No |
| Base Flood Elevation | Varies along the reach; see FIRM |
| Flood Insurance Requirement | Required federally backed loans |
| Nearby Flood Policies | 9 in force |
| Nearby Flood Claims | 7 (1995–2006) |
| Claims Outside the SFHA | 2 of 7 |
| Most Recent Claim | Sep 2006 · 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.
Wildfire risk around 931 Main St is low, with a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 80% of the US · lower than 88% of California |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | None beyond ember reach |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | CITY OF ST. HELENA serves 5,386 people · EPA ID CA2810004 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Feb 2025 |
| Lead | Under 1 ppb (2024–2026) action level 15 ppb |
| Water Quality | Haloacetic acids not recorded as resolved · Jul 2023 Treatment failure resolved · Nov 2020 |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 1 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.
Source: FCC Broadband Data Collection, based on 205 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: AT&T, Valley Internet.
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