Alameda County property record for 10550 Patterson Pass Rd, Livermore, CA 94550
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3.5 ba · 3,824 sqft · built 1995 |
| Lot Size | 3.5 acres (152,460 sqft) |
| Owner | Trust Name on File |
| Last Sale | $1,050,000 (Nov 2012) |
| Tax Bill | $15,097 (2025) |
| Deeds & Mortgages | Apr 2021 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 99A-1750-3 |
| Primary APN | 99A-1750-3 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 7 Rooms |
| Stories | 2 Stories |
| Building Area | 3,824 sqft Living Area |
| Year Built | Built 1995 |
|---|---|
| Effective Year Built | Effective 1995 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 152,460 sqft |
| Terrain | Gentle Slope |
| Parking Spaces | 3 Parking Spaces |
| Street Address | 10550 PATTERSON PASS RD |
|---|---|
| City | LIVERMORE |
| State | CA |
| Zip | 94550-9738 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00003 BLK: AR: 099A PAGE: 1750 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | LIVERMORE-PLEASANTON |
| Census Block Group | 3 |
| Census Block | 3077 |
| Census Tract | 451104 |
10550 Patterson Pass Rd is owner-occupied and held in a trust since November 2012.
Source: Alameda County records, as of August 5, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 10550 PATTERSON PASS RD, LIVERMORE, CA 94550-9738 |
| Occupancy | Owner Occupied |
| 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 Sale | Nov 15, 2012 · Amount on File |
| Deed Sale | Nov 15, 2012 · Amount on File |
| Prior Sale | Oct 13, 1993 · Amount on File |
| Deed Document Number | 2012384116 |
| Prior Transfer Date | Oct 1, 1993 |
| Prior Transfer Doc | 0000362250 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 10550 PATTERSON PASS RD, LIVERMORE, CA 94550-9738 |
| Transaction Type | Mortgage |
| Record Updated | May 10, 2021 |
| Title Company | AMROCK INC |
| Name | Verified Name |
|---|---|
| Address | 10550 PATTERSON PASS RD, LIVERMORE, CA 94550-9738 |
| Document Number | 0000146509 |
|---|---|
| Date | Apr 13, 2021 |
| Instrument | 2021146509 |
| Name | QUICKEN LOANS LLC |
|---|---|
| Type | Mortgage Company |
| Address | DETROIT, MI 48226 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | May 1, 2051 |
| Rate Type | Adjustable Rate |
|---|---|
| Type Change Date | May 1, 2028 |
| Change Frequency | 6 Months |
| Min Rate At Change | 3% |
| Max Rate At Change | 6.87% |
| Index | Other |
| Margin | 3 |
| Max Rate | 6.87% |
The 2025 property tax bill for 10550 Patterson Pass Rd was $15,097 with a homeowner's exemption.
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 | Assessed Market Value |
|---|---|---|---|
| 2026 | $1,327,651 (+1.45%) Land $414,480 Building $919,392 | ||
| 2025 | $15,097.00 Homeowner's exemption | $1,308,625 Land $406,355 Building $902,270 | |
| 2023 | $14,459.00 Homeowner's exemption | $1,258,009 Land $390,578 Building $867,431 | $2,170,350 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 10550 Patterson Pass 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 10550 Patterson Pass Rd is high, ranking above 87% of the US, with a 1% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | High above 87% of the US · above 68% of California |
|---|---|
| Wildfire Likelihood | 1% annual chance |
| Exposure | Direct burnable vegetation |
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.
Source: FCC Broadband Data Collection, based on 1 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| Starlink Satellite | 280 / 30 |
| Sail Internet Fixed Wireless | 25 / 3 |
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