Napa County property record for 1492 Grayson Ave, Saint Helena, CA 94574
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 2,080 sqft · built 1946 |
| Lot Size | 0.67 acres (29,185 sqft) |
| Owner | Trust Name on File |
| Tax Bill | $5,311 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 009-340-005-000 |
| Primary APN | 009-340-005-000 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Building Area | 2,080 sqft Living Area |
| Gross Area | 2,560 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1946 |
|---|---|
| Effective Year Built | Effective 1950 |
| Construction Type | Wood |
| Lot Area | 29,185 sqft (0.67 acres) |
| Garage Type | Attached |
| Garage Area | 480 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | None |
|---|---|
| Heating System | Central |
| Old Parcel Number | 009-340-005 |
|---|---|
| Street Address | 1492 GRAYSON AVE |
| City | SAINT HELENA |
| State | CA |
| Zip | 94574-2129 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Jurisdiction | NAPA CA |
| Township / Civil Division | ST. HELENA |
| Census Block Group | 1 |
| Census Block | 1001 |
| Census Tract | 201601 |
1492 Grayson Ave is held in a trust since January 2000.
Source: Napa County records, as of October 21, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 1232 29TH AVE, SAN FRANCISCO, CA 94122-1404 |
| 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 | Jan 28, 2000 |
| Transfer Doc | 0000002692 |
| Record Updated | Oct 29, 2026 |
The 2026 property tax bill for 1492 Grayson Ave was $5,311, 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 | $5,311.00 (+1.72%) | $495,120 (+2%) Land $282,928 Building $212,192 | $495,120 Land $282,928 Building $212,192 |
| 2025 | $5,221.00 | $485,413 Land $277,381 Building $208,032 | |
| 2023 | $5,056.00 (+3.97%) | $466,565 Land $266,611 Building $199,954 | |
| 2022 | $4,863.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 1492 Grayson Ave in Zone X, an area of minimal flood risk, though there have been 7 flood claims nearby since 1995.
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 |
| 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 1492 Grayson Ave 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.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures