Napa County property record for 870 Windsor St, Napa, CA 94558
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 1,337 sqft · built 1960 |
| Lot Size | 0.15 acres (6,534 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $8,000 (2026) |
| Deeds & Mortgages | Jan 2023 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 001-532-005-000 |
| Primary APN | 001-532-005-000 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Building Area | 1,337 sqft Living Area |
| Year Built | Built 1960 |
|---|---|
| Effective Year Built | Effective 1960 |
| Construction Type | Wood |
| Lot Area | 6,534 sqft (0.15 acres) |
| Parking Spaces | 1 Parking Space |
| Cooling System | Central |
|---|---|
| Heating System | HVAC |
| Old Parcel Number | 001-532-005 |
|---|---|
| Street Address | 870 WINDSOR ST |
| City | NAPA |
| State | CA |
| Zip | 94558-3508 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | RS5 |
| Legal Description | LOT 12 EASTWOOD GARDENS SUB 6R/M58 |
| Legal Subdivision | EASTWOOD GARDENS |
| Legal Lot Number | 12 |
| Jurisdiction | NAPA CA |
| Township / Civil Division | NAPA |
| Census Block Group | 4 |
| Census Block | 4007 |
| Census Tract | 200504 |
870 Windsor St is owned by an individual who acquired it in January 2023.
Source: Napa County records, as of October 21, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 4234 GRAPEVINE DR, NAPA, CA 94558-6706 |
| 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 Transfer Date | Jan 24, 2023 |
| Transfer Doc | 0000001788 |
| Record Updated | Oct 29, 2026 |
| Document Type | Affidavit of Death |
|---|---|
| Jurisdiction | NAPA CA |
| Recording Date | Jan 30, 2023 |
| Property Address | 870 WINDSOR ST, NAPA, CA 94558-3508 |
| Document Number | 0000001788 |
| Map Reference | MB 6 PG 58&59 |
| Instrument Date | Jan 30, 2023 |
| Instrument | 2023-0001788 |
| Transaction Type | Transfer |
| Record Updated | Feb 7, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 325 LENOX AVE APT 109, 109, OAKLAND, CA 94610-4640 |
The 2026 property tax bill for 870 Windsor St was $8,000, up 2.1% from the year before.
Source: Napa County assessment roll, as of October 21, 2026
| Type | Name |
|---|---|
| State | California |
| County | Napa County |
| Municipality | Napa City |
| Unified School District | Napa Valley Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $8,000.00 (+2.13%) | $636,724 (+2%) Land $318,362 Building $318,362 | $636,724 (+2%) Land $318,362 Building $318,362 |
| 2025 | $7,833.00 | $624,240 Land $312,120 Building $312,120 | $624,240 Land $312,120 Building $312,120 |
| 2023 | $7,459.00 (+266.54%) | $600,000 Land $300,000 Building $300,000 | |
| 2022 | $2,035.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 870 Windsor 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 |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 3 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.
The area around 870 Windsor St has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within 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 NAPA serves 84,804 people · EPA ID CA2810003 |
|---|---|
| Water Source | Surface water |
| Lead | Under 1 ppb (2022–2024) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None 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 707 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 2,000 |
| Verizon Fixed Wireless | 300 / 20 |
| AT&T DSL · Fiber, Fixed Wireless in parts of the area | 100 / 20 |
May also be available: T-Mobile.
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