Napa County property record for 1640 Tainter St, Saint Helena, CA 94574
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 913 sqft · built 1946 |
| Lot Size | 0.34 acres (14,810 sqft) |
| Owner | Company Name on File |
| Last Sale | $1,800,000 (Mar 2021) |
| Tax Bill | $16,264 (2026) |
| Deeds & Mortgages | Mar 2021 Sale Mar 2021 Transfer + 2 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 009-312-008-000 |
| Primary APN | 009-312-008-000 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 5 Rooms |
| Building Area | 913 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1946 |
|---|---|
| Effective Year Built | Effective 1952 |
| Construction Type | Wood |
| Lot Area | 14,810 sqft (0.34 acres) |
| Cooling System | None |
|---|---|
| Heating System | HVAC |
| Old Parcel Number | 009-312-008 |
|---|---|
| Street Address | 1640 TAINTER ST |
| City | SAINT HELENA |
| State | CA |
| Zip | 94574-1939 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Jurisdiction | NAPA CA |
| Township / Civil Division | ST. HELENA |
| Census Block Group | 3 |
| Census Block | 3025 |
| Census Tract | 201602 |
1640 Tainter St is owned by a company that bought it in March 2021.
Source: Napa County records, as of October 21, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | PO BOX 1029, MENLO PARK, CA 94026-1029 |
| Owner Type | Company |
| Vesting | Limited Liability Company |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| Mar 25, 2021 | Grant Deed, Transfer PLACER TITLE COMPANY |
| Mar 25, 2021 | Correction Deed PLACER TITLE COMPANY |
| Jun 5, 2020 | Quit Claim Deed, Transfer ATTORNEY ONLY |
| Mar 5, 2020 | Affidavit of Death, Transfer ATTORNEY ONLY |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Mar 25, 2021 · Amount on File |
| Deed Sale | Mar 25, 2021 · Amount on File |
| Deed Document Number | 202111060 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | NAPA CA |
| Recording Date | Mar 25, 2021 |
| Property Address | 1640 TAINTER ST, SAINT HELENA, CA 94574-1939 |
| Document Number | 0000011060 |
| Instrument Date | Mar 24, 2021 |
| Instrument | 2021-0011060 |
| Transaction Type | Transfer |
| Record Updated | Jul 21, 2022 |
| Title Company | PLACER TITLE COMPANY |
| Amount | Amount on Record |
|---|---|
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 1623 ADAMS ST, SAINT HELENA, CA 94574-1909 |
| Document Type | Correction Deed |
|---|---|
| Jurisdiction | NAPA CA |
| Recording Date | Mar 25, 2021 |
| Property Address | 1640 TAINTER ST, SAINT HELENA, CA 94574-1939 |
| Document Number | 0000011059 |
| Instrument Date | Dec 3, 2020 |
| Instrument | 2021-0011059 |
| Record Updated | Jul 21, 2022 |
| Title Company | PLACER TITLE COMPANY |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 10 WOODLAND RD, SAINT HELENA, CA 94574-9554 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | NAPA CA |
| Recording Date | Jun 5, 2020 |
| Property Address | 1640 TAINTER ST, SAINT HELENA, CA 94574-1939 |
| Document Number | 0000012808 |
| Instrument Date | May 21, 2020 |
| Instrument | 12808 |
| Transaction Type | Transfer |
| Record Updated | Jun 17, 2020 |
| Title Company | ATTORNEY ONLY |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | 10 WOODLAND RD ST HELENA CA 945749554, ST HELENA, CA 94574-9554 |
| Document Type | Affidavit of Death |
|---|---|
| Jurisdiction | NAPA CA |
| Recording Date | Mar 5, 2020 |
| Property Address | 1640 TAINTER ST, SAINT HELENA, CA 94574-1939 |
| Document Number | 0000005662 |
| Instrument Date | Jan 28, 2020 |
| Instrument | 5662 |
| Transaction Type | Transfer |
| Record Updated | Mar 17, 2020 |
| Title Company | ATTORNEY ONLY |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Personal Trust |
| Address | 1417 RAILROAD AVE ST HELENA CA 945741125, ST HELENA, CA 94574-1125 |
The 2026 property tax bill for 1640 Tainter St was $16,264, 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 | $16,264.00 (+1.73%) | $1,529,148 (+2%) Land $1,302,814 Building $226,334 | $1,529,148 (+2%) Land $1,302,814 Building $226,334 |
| 2025 | $15,987.00 | $1,499,166 Land $1,277,269 Building $221,897 | $1,499,166 Land $1,277,269 Building $221,897 |
| 2023 | $15,481.00 (+3.98%) | $1,440,954 Land $1,227,672 Building $213,282 | |
| 2022 | $14,889.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 1640 Tainter St in Zone X, an area of minimal flood risk.
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 | 1 in force |
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 1640 Tainter 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 | Direct burnable vegetation |
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 488 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 |
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