Mendocino County property record for 10400 William St, Mendocino, CA 95460
| Property Type | Single Family Home |
|---|---|
| Lot Size | 0.48 acres (20,908 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $1,700,000 (Nov 2008) |
| Tax Bill | $14,131 (2025) |
| Deeds & Mortgages | Jan 2021 Mortgage Aug 2020 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 119-215-05 |
| Primary APN | 119-215-05 |
|---|---|
| Alternative APN |
|
| Lot Area | 20,908 sqft (0.48 acres) |
|---|
| Old Parcel Number | 119-215-05 |
|---|---|
| Street Address | 10400 WILLIAM ST |
| City | MENDOCINO |
| State | CA |
| Zip | 95460 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | MTR |
| Legal Description | WAS 119-215-05 |
| Legal Block | 1 |
| Legal Lot Number | 5 |
| Jurisdiction | MENDOCINO CA |
| Township / Civil Division | MENDOCINO |
| Census Block Group | 1 |
| Census Block | 1048 |
| Census Tract | 11004 |
10400 William St is owned by two individuals who acquired it in May 2010.
Source: Mendocino County records, as of August 12, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 240 POLHEMUS AVE, ATHERTON, CA 94027-5439 |
| Owner Type | Individual |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| Jan 8, 2021 | Deed of Trust, Mortgage · Conventional Mortgage WELLS FARGO BANK NA |
| Aug 7, 2020 | Deed of Trust, Mortgage · Conventional Mortgage WELLS FARGO BANK NA |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Nov 4, 2008 · Amount on File |
| Deed Sale | Nov 4, 2008 · Amount on File |
| Deed Document Number | 200815464 |
| Last Transfer Date | May 14, 2010 |
| Transfer Doc | 0000007232 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | MENDOCINO CA |
| Property Address | 10400 WILLIAM ST, MENDOCINO, CA 95460 |
| Transaction Type | Mortgage |
| Record Updated | Jul 21, 2022 |
| Name | Verified Name |
|---|---|
| Address | 240 POLHEMUS AVE, ATHERTON, CA 94027-5439 |
| Document Number | 0000000309 |
|---|---|
| Date | Jan 8, 2021 |
| Instrument | 2021-00309 |
| Name | WELLS FARGO BANK NA |
|---|---|
| Type | Bank |
| Address | SIOUX FALLS, SD 57104 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 356 Months |
| Due | Sep 1, 2050 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 3.37% |
| Type Change Date | Sep 1, 2030 |
| Change Frequency | Annually |
| Min Rate At Change | 2.25% |
| Max Rate At Change | 8.37% |
| Index | 1-Year LIBOR |
| Max Rate | 8.37% |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | MENDOCINO CA |
| Property Address | 10400 WILLIAM ST, MENDOCINO, CA 95460 |
| Transaction Type | Mortgage |
| Record Updated | Jul 21, 2022 |
| Title Company | SERVICELINK |
| Name | Verified Name |
|---|
| Document Number | 0000009832 |
|---|---|
| Date | Aug 7, 2020 |
| Instrument | 2020-09832 |
| Name | WELLS FARGO BANK NA |
|---|---|
| Type | Bank |
| Address | SIOUX FALLS, SD 57104 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Aug 1, 2050 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 3.37% |
| Type Change Date | Aug 1, 2030 |
| Change Frequency | Annually |
| Min Rate At Change | 2.25% |
| Max Rate At Change | 8.37% |
| Index | 1-Year LIBOR |
| Max Rate | 8.37% |
The 2025 property tax bill for 10400 William St was $14,131.
Source: Mendocino County assessment roll, as of August 12, 2026
| Type | Name |
|---|---|
| State | California |
| County | Mendocino County |
| Unified School District | Mendocino Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $1,215,041 (-) Land $710,870 Building $504,171 | $1,215,041 Land $710,870 Building $504,171 | |
| 2025 | $14,131.00 | $1,215,041 Land $710,870 Building $504,171 | |
| 2023 | $13,662.00 | $1,167,859 Land $683,266 Building $484,593 | |
| 2020 | $12,476.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 10400 William St in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective September 18, 2025 · 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 Policies | 1 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.
Wildfire risk around 10400 William St is low, with a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 80% of the US · lower than 88% of California |
|---|---|
| Wildfire Likelihood | 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: FCC Broadband Data Collection, based on 111 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 1,200 / 35 |
| Further Reach Fixed Wireless · DSL in parts of the area | 200 / 200 |
5G (outdoors only) and 4G LTE
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