Mariposa County property record for 4985 Williams Rd, Mariposa, CA 95338
| Property Type | Single Family Home |
|---|---|
| Lot Size | 0.88 acres (38,333 sqft) |
| Owner | Trust Name on File |
| Tax Bill | $1,132 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 013-044-007000 |
| Primary APN | 013-044-007000 |
|---|---|
| Alternative APN |
|
| Lot Area | 38,333 sqft (0.88 acres) |
|---|
| Old Parcel Number | 013-044-0070 |
|---|---|
| Street Address | 4985 WILLIAMS RD |
| City | MARIPOSA |
| State | CA |
| Zip | 95338 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | PUD/GC |
| Legal Description | SUB: WILLIAMS WINFRED J PLAT BOOK: 5 PLAT PAGE: 36 LOT: A |
| Legal Subdivision | WILLIAMS WINFRED J |
| Legal Lot Number | A |
| Jurisdiction | MARIPOSA CA |
| Township / Civil Division | MARIPOSA |
| Census Block Group | 2 |
| Census Block | 2031 |
| Census Tract | 101 |
4985 Williams Rd is held in a trust since December 2013.
Source: Mariposa County records, as of August 10, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | PO BOX 283, MARIPOSA, CA 95338-0283 |
| Owner Type | Company |
| Vesting | Trust |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Last Transfer Date | Dec 2, 2013 |
| Transfer Doc | 0000004767 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 4985 Williams Rd was $1,132, up 2% from the year before.
Source: Mariposa County assessment roll, as of August 10, 2026
| Type | Name |
|---|---|
| State | California |
| County | Mariposa County |
| Unified School District | Mariposa County Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $84,269 (+2%) Land $12,400 Building $71,869 | |
| 2025 | $1,132.00 (+1.98%) | $82,617 Land $12,157 Building $70,460 |
| 2024 | $1,110.00 (+1.19%) | |
| 2023 | $1,097.00 (+1.57%) | $79,411 Land $11,686 Building $67,725 |
| 2022 | $1,080.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 4985 Williams Rd in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective October 18, 2023
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Wildfire risk around 4985 Williams Rd is high, ranking above 81% of the US, with a 0.5% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | High above 81% of the US · above 59% of California |
|---|---|
| Wildfire Likelihood | 0.5% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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 | MARIPOSA PUBLIC UTILITY DIST serves 2,000 people · EPA ID CA2210001 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Jan 2025 |
| Lead | Under 1 ppb (2023–2025) 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 144 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Sierra Telephone Company Fiber | 800 / 800 |
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