Napa County property record for 477 Technology Way, Napa, CA 94558
| Property Type | Industrial Condominium |
|---|---|
| Details | 2,480 sqft · built 2005 |
| Lot Size | 0.06 acres (2,614 sqft) |
| Owner | Company Name on Record |
| Last Sale | $1,105,000 (Dec 2016) |
| Tax Bill | $6,440 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 057-280-009-000 |
| Primary APN | 057-280-009-000 |
|---|---|
| Alternative APNs |
|
| Building Area | 2,480 sqft Gross Area |
|---|
| Year Built | Built 2005 |
|---|---|
| Effective Year Built | Effective 2005 |
| Construction Type | Masonry / Concrete Block |
| Fire Resistance | Masonry Walls, Wood Interior |
| Lot Area | 2,614 sqft (0.06 acres) |
| Cooling System | Central |
|---|---|
| Heating System | HVAC |
| Old Parcel Number | 057-280-009 |
|---|---|
| Street Address | 477 TECHNOLOGY WAY |
| City | NAPA |
| State | CA |
| Zip | 94558-7571 |
| Property Category | Industrial |
| Property Type | Industrial > Industrial Condominium |
| Local Zoning Code | IPAC |
| Legal Subdivision | NAPA VLY ENT BLDG CONDO PLAN |
| Jurisdiction | NAPA CA |
| Township / Civil Division | NAPA |
| Census Block Group | 1 |
| Census Block | 1040 |
| Census Tract | 201005 |
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 | 814 6TH AVE S, SEATTLE, WA 98134-1304 |
| Owner Type | Company |
| Vesting | Company |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Dec 30, 2016 · Amount on Record |
| Deed Sale | Dec 30, 2016 · Amount on Record |
| Prior Sale | Jul 19, 2013 · Amount on Record |
| Deed Document Number | 201633735 |
| Prior Transfer Date | Mar 10, 2008 |
| Prior Transfer Doc | 0000011523 |
| Record Updated | Oct 29, 2026 |
Source: Napa County assessment roll, as of October 21, 2026
| Type | Name |
|---|---|
| State | California |
| County | Napa County |
| Unified School District | Napa Valley Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $6,440.00 (+1.67%) | $497,189 (+2%) Land $147,972 Building $349,217 | $497,189 Land $147,972 Building $349,217 |
| 2025 | $6,334.00 (+19.58%) | $487,441 (+4.04%) Land $145,071 Building $342,370 | |
| 2023 | $5,297.00 (-3.88%) | $468,515 Land $139,439 Building $329,076 | |
| 2022 | $5,511.00 |
Assessed value is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.
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 | 6 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 96% of the US · lower than 97.4% 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 AMERICAN CANYON serves 18,423 people · EPA ID CA2810005 |
|---|---|
| Water Source | Surface water |
| Lead | Under 1 ppb (2022–2024) action level 15 ppb |
| Water Quality | Total trihalomethanes resolved · Oct 2019 |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 1 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 23 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 1,200 / 35 |
| Valley Internet Fixed Wireless | 100 / 50 |
5G (outdoors only) and 4G LTE
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