Napa County property record for 730 Water St, Napa, CA 94559
| Property Type | Commercial Building, Warehouse, Showroom |
|---|---|
| Lot Size | 0.16 acres (6,970 sqft) |
| Owner | Company Name on Record |
| Last Sale | $1,200,000 (Mar 2016) |
| Tax Bill | $20,713 (2026) |
| Flood Zone | Zone X (moderate risk) |
| APN | 003-241-006-000 |
| Primary APN | 003-241-006-000 |
|---|---|
| Alternative APN |
|
| Lot Area | 6,970 sqft (0.16 acres) |
|---|
| Old Parcel Number | 003-241-006 |
|---|---|
| Street Address | 730 WATER ST |
| City | NAPA |
| State | CA |
| Zip | 94559-2610 |
| Property Category | Commercial |
| Property Type | Commercial > Retail > Commercial Building, Warehouse, Showroom |
| Legal Subdivision | CORNWELLS ADDN |
| Legal Block | 2 |
| Legal Lot Number | 3 |
| Jurisdiction | NAPA CA |
| Township / Civil Division | NAPA |
| Census Block Group | 2 |
| Census Block | 2012 |
| Census Tract | 200503 |
Source: Napa County records, as of October 21, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on Record |
|---|---|
| Mailing Address | 485 TECHNOLOGY WAY, NAPA, CA 94558-7571 |
| Owner Type | Company |
| Vesting | Company |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Mar 17, 2016 · Amount on Record |
| Deed Sale | Mar 17, 2016 · Amount on Record |
| Prior Sale | Jul 14, 2003 · Amount on Record |
| Deed Document Number | 20166335 |
| Prior Transfer Date | Jan 3, 2007 |
| Prior Transfer Doc | 0000001124 |
| 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 | $20,713.00 (+1.19%) | $1,556,895 (+2%) Land $1,147,096 Building $409,799 | $1,556,895 Land $1,147,096 Building $409,799 |
| 2025 | $20,469.00 (+6.54%) | $1,526,368 (+4.04%) Land $1,124,604 Building $401,764 | |
| 2023 | $19,212.00 (+3.15%) | $1,467,099 Land $1,080,935 Building $386,164 | |
| 2022 | $18,626.00 |
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 moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| Nearest Special Flood Hazard Area | Zone AE, within 100 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on Record median of 62 individual policies |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 222 units insured incl. 160 condo units |
| Nearby Flood Claims | 341 (1982–2014) |
| Claims Outside the SFHA | 21 of 341 |
| Most Recent Claim | Aug 2014 · other causes |
| 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.
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 260 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: AT&T.
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