Napa County property record for 4501 Jefferson St, Napa, CA 94558
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,313 sqft · built 1971 |
| Lot Size | 0.15 acres (6,534 sqft) |
| Owner | 2 Trust Names on File |
| Last Sale | $820,000 (May 2025) |
| Tax Bill | $10,319 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 036-283-002-000 |
| Primary APN | 036-283-002-000 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Building Area | 1,313 sqft Living Area |
| Gross Area | 1,813 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1971 |
|---|---|
| Effective Year Built | Effective 1971 |
| Construction Type | Wood |
| Lot Area | 6,534 sqft (0.15 acres) |
| Garage Type | Attached |
| Garage Area | 500 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Old Parcel Number | 036-283-002 |
|---|---|
| Street Address | 4501 JEFFERSON ST |
| City | NAPA |
| State | CA |
| Zip | 94558-1707 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | RS5 |
| Legal Description | LOT 284 SPRINGWOOD SUB 5 9R/M67 |
| Legal Subdivision | SPRINGWOOD #5 |
| Legal Lot Number | 284 |
| Jurisdiction | NAPA CA |
| Township / Civil Division | NAPA |
| Census Block Group | 3 |
| Census Block | 3011 |
| Census Tract | 201200 |
4501 Jefferson St is owner-occupied and held in a trust since May 2025.
Source: Napa County records, as of October 21, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 4501 JEFFERSON ST, NAPA, CA 94558-1707 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust, Family 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 | 2 Names on Deed |
|---|---|
| Last Sale | May 2, 2025 · Amount on File |
| Deed Sale | May 2, 2025 · Amount on File |
| Deed Document Number | 20256089 |
| Prior Transfer Date | Apr 25, 2025 |
| Prior Transfer Doc | 0000006088 |
| Record Updated | Oct 29, 2026 |
The 2026 property tax bill for 4501 Jefferson St was $10,319, up 470.1% 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 | $10,319.00 (+470.11%) | $842,400 (+839.18%) Land $355,980 Building $486,420 | $842,400 (+839.18%) Land $355,980 Building $486,420 |
| 2025 | $1,810.00 | $89,695 Land $18,354 Building $71,341 | $89,695 Land $18,354 Building $71,341 |
| 2023 | $1,756.00 (+5.66%) | $86,215 Land $17,643 Building $68,572 | |
| 2022 | $1,662.00 |
Assessed value is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.
FEMA maps place 4501 Jefferson St in Zone X, an area of minimal flood risk, though there have been 4 flood claims nearby since 2017.
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 29 policies |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 29 in force |
| Nearby Flood Claims | 4 (2017–2025) |
| Claims Outside the SFHA | 1 of 4 |
| Most Recent Claim | Feb 2025 · river or lake flooding |
| 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 4501 Jefferson St is low, with less than 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 99.1% of the US · lower than 99.2% of California |
|---|---|
| Wildfire Likelihood | Under 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 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 422 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 1,200 / 35 |
| Starlink Satellite | 280 / 30 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL · Fixed Wireless in parts of the area | 100 / 20 |
May also be available: Verizon.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures