Napa County property record for 830 Chiles Ave, Saint Helena, CA 94574
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.5 ba · 2,045 sqft · built 1998 |
| Lot Size | 0.2 acres (8,712 sqft) |
| Owner | Individual Name on File |
| Last Sale | $749,000 (Jul 2003) |
| Tax Bill | $11,572 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 009-752-006-000 |
| Primary APN | 009-752-006-000 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 7 Rooms |
| Building Area | 2,045 sqft Living Area |
| Gross Area | 2,591 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1998 |
|---|---|
| Effective Year Built | Effective 1998 |
| Construction Type | Wood |
| Lot Area | 8,712 sqft (0.2 acres) |
| Garage Type | Attached |
| Garage Area | 546 sqft |
| Parking Spaces | 2 Parking Spaces |
| Heating System | Central |
|---|
| Old Parcel Number | 009-752-006 |
|---|---|
| Street Address | 830 CHILES AVE |
| City | SAINT HELENA |
| State | CA |
| Zip | 94574-9512 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 46 SIGNORELLI VINEYARD SUBD 20R/M78 |
| Legal Subdivision | SIGNORELLI VINEYARD |
| Legal Lot Number | 46 |
| Jurisdiction | NAPA CA |
| Township / Civil Division | ST. HELENA |
| Census Block Group | 4 |
| Census Block | 4002 |
| Census Tract | 201602 |
830 Chiles Ave is owned by an individual who bought it in July 2003.
Source: Napa County records, as of October 21, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 1435 TAINTER ST, SAINT HELENA, CA 94574-1930 |
| Owner Type | Individual |
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 Sale | Jul 23, 2003 · Amount on File |
| Deed Sale | Jul 23, 2003 · Amount on File |
| Prior Sale | Aug 11, 1998 · Amount on File |
| Deed Document Number | 200339045 |
| Record Updated | Oct 29, 2026 |
The 2026 property tax bill for 830 Chiles Ave was $11,572, 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 | $11,572.00 (+1.73%) | $1,086,205 (+2%) Land $609,089 Building $477,116 | $1,086,205 Land $609,089 Building $477,116 |
| 2025 | $11,375.00 | $1,064,908 Land $597,147 Building $467,761 | |
| 2023 | $11,015.00 (+3.97%) | $1,023,559 Land $573,960 Building $449,599 | |
| 2022 | $10,594.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 830 Chiles Ave in Zone X, an area of minimal flood risk, though there have been 6 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 |
| Flood Insurance Cost | Premium on File median of 20 policies |
| Nearby Flood Policies | 20 in force |
| Nearby Flood Claims | 6 (1995–2005) |
| Claims Outside the SFHA | 4 of 6 |
| Most Recent Claim | Dec 2005 · Severe Storms, Flooding, Mudslides, And Landslides |
| 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 830 Chiles 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 461 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: Valley Internet.
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