Alameda County property record for 20850 Mines Rd, Livermore, CA 94550
| Property Type | General Agricultural/Rural |
|---|---|
| Lot Size | 239 acres (10,423,908 sqft) |
| Owner | Company Name on File |
| Last Sale | $250,000 (Mar 2019) |
| Tax Bill | $1,460 (2025) |
| Deeds & Mortgages | Mar 2019 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 99A-2610-15-3 |
| Primary APN | 99A-2610-15-3 |
|---|---|
| Alternative APN |
|
| Lot Area | 10,423,908 sqft |
|---|---|
| Terrain | Gentle Slope |
| Street Address | 20850 MINES RD |
|---|---|
| City | LIVERMORE |
| State | CA |
| Zip | 94550 |
| Property Category | Agriculture or Farming |
| Property Type | Agriculture / Farming > General Agricultural/Rural |
| Legal Description | LOT: 00003 BLK: 0015 AR: 099A PAGE: 2610 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | LIVERMORE-PLEASANTON |
| Census Block Group | 3 |
| Census Block | 3129 |
| Census Tract | 451104 |
20850 Mines Rd, an agricultural property, is owned by a company that bought it in March 2019.
Source: Alameda County records, as of August 5, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 3288 21ST ST, 203, SAN FRANCISCO, CA 94110-2423 |
| Owner Type | Company |
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 Sale | Mar 26, 2019 · Amount on File |
| Deed Sale | Mar 26, 2019 · Amount on File |
| Prior Sale | Dec 19, 2014 · Amount on File |
| Deed Document Number | 201953915 |
| Prior Transfer Date | Dec 29, 2007 |
| Prior Transfer Doc | 0000048652 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Mar 26, 2019 |
| Property Address | 20850 MINES RD, LIVERMORE, CA 94550 |
| Document Number | 0000053915 |
| Instrument Date | Mar 25, 2019 |
| Instrument | 53915 |
| Transaction Type | Transfer |
| Record Updated | Apr 12, 2019 |
| Title Company | CHICAGO TITLE COMPANY, CHICAGO TITLE CO |
| Amount | Amount on Record |
|---|---|
| Tax | $275.00 |
| Amount Accuracy | Full Value |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | 3288 21ST ST #203 SAN FRANCISCO CA 941102423, 203, SAN FRANCISCO, CA 94110-2423 |
The 2025 property tax bill for 20850 Mines Rd was $1,460.
Source: Alameda County assessment roll, as of August 5, 2026
| Type | Name |
|---|---|
| State | California |
| County | Alameda County |
| Unified School District | Livermore Valley Joint Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $98,093 (-9.31%) Building $29,545 | |
| 2025 | $1,460.00 | $108,168 Building $108,168 |
| 2023 | $1,599.00 | $120,942 Building $120,942 |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
FEMA maps place 20850 Mines Rd in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective May 25, 2026 · 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 | 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 20850 Mines Rd is extreme, ranking above 98.8% of the US, with a 4% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Extreme above 98.8% of the US · above 92% of California |
|---|---|
| Wildfire Likelihood | 4% annual chance |
| Exposure | Direct burnable vegetation |
Insurers in high-risk areas may require mitigation or decline coverage; check availability before making an offer.
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 | ZONE 7 WATER AGENCY serves 40 people · EPA ID CA0110010 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Dec 2025 |
| Lead | 7 ppb (2019–2021) 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. This system sells water to local utilities; the supplier billing this address may be one of them.
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