Napa County property record for 400 Howell Mountain Rd, Angwin, CA 94508
| Property Type | Rural Home |
|---|---|
| Details | 3 bd · 1 ba · 1,104 sqft · built 1950 |
| Lot Size | 4.23 acres (184,258 sqft) |
| Owner | Owner Name on File |
| Last Sale | $160,000 (Sep 1996) |
| Tax Bill | $4,270 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 024-102-009-000 |
| Primary APN | 024-102-009-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 5 Rooms |
| Building Area | 1,104 sqft Living Area |
| Year Built | Built 1950 |
|---|---|
| Construction Type | Wood |
| Lot Area | 184,258 sqft (4.23 acres) |
| Cooling System | None |
|---|---|
| Heating System | HVAC |
| Old Parcel Number | 02410209 |
|---|---|
| Street Address | 400 HOWELL MOUNTAIN RD |
| City | ANGWIN |
| State | CA |
| Zip | 94508-9753 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Rural Home |
| Local Zoning Code | AW:AC |
| Legal Description | SUBD:LA JOTA RANCHO |
| Legal Subdivision | LA JOTA RANCHO |
| Legal Lot Number | 3 |
| Jurisdiction | NAPA CA |
| Township / Civil Division | ANGWIN |
| Census Block Group | 2 |
| Census Block | 2002 |
| Census Tract | 201700 |
Source: Napa County assessment roll, as of July 1, 2025
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Owner Name on File |
|---|---|
| Mailing Address | PO BOX 311, ANGWIN, CA 94508-0311 |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Sep 24, 1996 · Amount on Record |
| Deed Sale | Sep 24, 1996 · Amount on Record |
| Prior Sale | Apr 4, 2003 |
| Deed Document Number | 0000023091 |
| Deed Book / Page | 024 |
| Last Transfer Date | Oct 11, 2005 |
| Transfer Doc | 0000041568 |
| Record Updated | Jun 8, 2026 |
Source: Napa County assessment roll, as of July 1, 2025
| Type | Name |
|---|---|
| State | California |
| County | Napa County |
| Elementary School District | Howell Mountain Elementary School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2025 | $4,270.00 (+3.94%) | $412,750 (+4.04%) Land $211,714 Building $201,036 |
| 2023 | $4,108.00 (+1.61%) | $396,725 Land $203,494 Building $193,231 |
| 2022 | $4,043.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
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 |
| Nearby Flood Claims | 2 (2004–2011) |
| Claims Outside the SFHA | 2 of 2 |
| Most Recent Claim | Mar 2011 · rainfall accumulation |
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 | High above 83% of the US · above 62% of California |
|---|---|
| Wildfire Likelihood | 0.6% annual chance |
| Exposure | Direct burnable vegetation at the parcel |
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | HOWELL MOUNTAIN MUTUAL WATER COMPANY private · serves 1,244 people · EPA ID CA2810001 |
|---|---|
| Water Source | Surface water |
| Lead | Under 1 ppb (2022–2024) action level 15 ppb |
| Water Quality | Total trihalomethanes resolved · Jan 2023 |
|---|---|
| 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 5 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 |
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