Napa County property record for 487 Jefferson St, Napa, CA 94559
| Property Type | Duplex |
|---|---|
| Details | 4 bd · 4.5 ba · 2,260 sqft · built 1930 |
| Lot Size | 0.23 acres (10,019 sqft) |
| Owner | Company Name on Record |
| Last Sale | $765,000 (Dec 2013) |
| Tax Bill | $11,517 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 004-212-013-000 |
| Primary APN | 004-212-013-000 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 4.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 6 Rooms |
| Building Area | 2,260 sqft Living Area |
| Gross Area | 2,722 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1930 |
|---|---|
| Effective Year Built | Effective 1930 |
| Architectural Style | Duplex Single |
| Construction Type | Wood |
| Lot Area | 10,019 sqft (0.23 acres) |
| Garage Type | Attached |
| Garage Area | 462 sqft |
| Parking Spaces | 4 Parking Spaces |
| Total Buildings | 2 Buildings |
| Cooling System | None |
|---|---|
| Heating System | HVAC |
| Old Parcel Number | 004-212-013 |
|---|---|
| Street Address | 487 JEFFERSON ST |
| City | NAPA |
| State | CA |
| Zip | 94559-3237 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Local Zoning Code | RT5 |
| Legal Description | LOT 4 BENEDICTS SUB 2R/M12 |
| Legal Subdivision | BENEDICTS 01 |
| Legal Lot Number | 4 |
| Jurisdiction | NAPA CA |
| Township / Civil Division | NAPA |
| Census Block Group | 2 |
| Census Block | 2011 |
| Census Tract | 200201 |
Source: Napa County records, as of October 21, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Company Name on Record |
|---|---|
| Mailing Address | 487 JEFFERSON ST, NAPA, CA 94559-3237 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Dec 27, 2013 · Amount on Record |
| Deed Sale | Dec 27, 2013 · Amount on Record |
| Prior Sale | Apr 29, 2004 · Amount on Record |
| Deed Document Number | 201335249 |
| Prior Transfer Date | Sep 15, 2003 |
| Prior Transfer Doc | 0000050554 |
| Record Updated | Oct 29, 2026 |
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 | $11,517.00 (+2.05%) Homeowner's exemption | $956,531 (+2%) Land $281,331 Building $675,200 | $956,531 Land $281,331 Building $675,200 |
| 2025 | $11,286.00 (+5.21%) Homeowner's exemption | $937,776 (+4.04%) Land $275,815 Building $661,961 | |
| 2023 | $10,727.00 (+1.41%) Homeowner's exemption | $901,362 Land $265,105 Building $636,257 | |
| 2022 | $10,578.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
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 Claims | 1 (2019) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Feb 2019 · Severe Winter Storms, Flooding, Landslides, And Mudslides |
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.
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 695 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
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