Napa County property record for 463 Adams St, Napa, CA 94559
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,038 sqft · built 1880 |
| Lot Size | 0.16 acres (6,970 sqft) |
| Owner | Trust Name on File |
| Tax Bill | $2,752 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 005-023-006-000 |
| Primary APN | 005-023-006-000 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 5 Rooms |
| Building Area | 1,038 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1880 |
|---|---|
| Effective Year Built | Effective 1940 |
| Exterior Material | Wood Siding |
| Construction Type | Wood |
| Roof Material | Wood Shingle |
| Lot Area | 6,970 sqft (0.16 acres) |
| Cooling System | None |
|---|
| Old Parcel Number | 005-023-006 |
|---|---|
| Street Address | 463 ADAMS ST |
| City | NAPA |
| State | CA |
| Zip | 94559-3250 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | RT4 |
| Legal Description | CORNWELLS SOUTH ADD LOT 26 |
| Legal Subdivision | CORNWELL S ADDN |
| Legal Lot Number | 26 |
| Jurisdiction | NAPA CA |
| Township / Civil Division | NAPA |
| Census Block Group | 3 |
| Census Block | 3021 |
| Census Tract | 200202 |
Source: NPS National Register of Historic Places, as of August 1, 2026
| Historic District | Within the Napa Abajo-Fuller Park Historic District listed 1997 · 297 contributing resources · NRIS 97000042 |
|---|
Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.
463 Adams St is owner-occupied and held in a trust since September 2015.
Source: Napa County records, as of October 21, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 463 ADAMS ST, NAPA, CA 94559-3250 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | 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 | Name on Deed |
|---|---|
| Last Transfer Date | Sep 10, 2015 |
| Transfer Doc | 0000023488 |
| Record Updated | Oct 29, 2026 |
The 2026 property tax bill for 463 Adams St was $2,752 with a homeowner's exemption, up 2.4% 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 | $2,752.00 (+2.38%) Homeowner's exemption | $178,107 (+2%) Land $73,952 Building $104,155 | $178,107 Land $73,952 Building $104,155 |
| 2025 | $2,688.00 Homeowner's exemption | $174,615 Land $72,502 Building $102,113 | |
| 2023 | $2,584.00 (+1.14%) Homeowner's exemption | $167,837 Land $69,688 Building $98,149 | |
| 2022 | $2,555.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 463 Adams St in Zone X, an area of minimal flood risk, though there have been 24 flood claims nearby since 1983.
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 27 policies |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 27 in force |
| Nearby Flood Claims | 24 (1983–2006) |
| Claims Outside the SFHA | 2 of 24 |
| Most Recent Claim | Feb 2006 · rainfall accumulation |
| 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.
The area around 463 Adams 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 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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