Napa County property record for 557 Webber St, Napa, CA 94559 · Last verified April 2026
| Property Type | Duplex |
|---|---|
| Details | 4 bd · 2 ba · 1,664 sqft · built 1953 |
| Lot Size | 0.27 acres (11,761 sqft) |
| Owner | 2 Company Names on File |
| Last Sale | $198,000 (Jul 1999) |
| Tax Bill | $4,663 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 004-581-009-000 |
| Primary APN | 004-581-009-000 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Units | 2 Units |
| Building Area | 1,664 sqft Living Area |
| Gross Area | 2,264 sqft |
| Year Built | Built 1953 |
|---|---|
| Effective Year Built | Effective 1953 |
| Architectural Style | Duplex Single |
| Construction Type | Wood |
| Lot Area | 11,761 sqft (0.27 acres) |
| Garage Type | Attached |
| Garage Area | 600 sqft |
| Parking Spaces | 2 Parking Spaces |
| Old Parcel Number | 004-581-009 |
|---|---|
| Street Address | 557 WEBBER ST |
| City | NAPA |
| State | CA |
| Zip | 94559-4404 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Legal Subdivision | GORDON TERRACE |
| Legal Block | 14 |
| Legal Lot Number | 33,34 |
| Jurisdiction | NAPA CA |
| Township / Civil Division | NAPA |
| Census Block Group | 3 |
| Census Block | 3003 |
| Census Tract | 200201 |
Source: Napa County records · APN 004-581-009-000
Assessment roll updated February 9, 2026 · Last verified April 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Company Names on File |
|---|---|
| Mailing Address | 557 WEBBER ST, NAPA, CA 94559-4404 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust, Family Trust |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Jul 30, 1999 · Amount on Record |
| Deed Sale | Jul 30, 1999 · Amount on Record |
| Deed Document Number | 199924505 |
| Last Transfer Date | Nov 08, 1999 |
| Transfer Doc | 0000001858 |
| Record Updated | Jun 08, 2026 |
Source: Napa County records · Assessment roll updated February 9, 2026 · Last verified April 2026
| Type | Name |
|---|---|
| State | California |
| County | Napa County |
| Municipality | Napa City |
| Unified School District | Napa Valley Unified School District (KG - 12) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $4,663.00 (+1.39%) | $304,301 (+4.04%) Land $129,096 Building $175,205 | $304,301 Land $129,096 Building $175,205 |
| 2023 | $4,599.00 (-0.22%) | $292,486 Land $124,084 Building $168,402 | |
| 2022 | $4,609.00 |
Source: FEMA National Flood Hazard Layer, Napa County (06055C), updated June 25, 2024 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060552002013, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 1 in force |
| Nearby Flood Claims | 2 (1982–2017) |
| Claims Outside the SFHA | 1 of 2 |
| Most Recent Claim | Jan 2017, river or lake flooding |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
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: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 590 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| AT&T | Fiber | 5,000 / 5,000 |
| Xfinity | Cable | 2,000 / 250 |
| Verizon | Fixed Wireless | 300 / 20 |
| Starlink | Satellite (low-earth orbit) | 280 / 30 |
May also be available at this address: T-Mobile USA, AT&T. Availability varies by address; speeds are provider-advertised maximums, not measured.
5G and 4G LTE
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