Alameda County property record for 431 Joyce St, Livermore, CA 94550
| Property Type | Single Family Home |
|---|---|
| Details | 1,262 sqft · built 1979 |
| Lot Size | 0.348 acres (15,142 sqft) |
| Owner | Trust Name on File |
| Tax Bill | $2,935 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 99A-1439-62 |
| Primary APN | 99A-1439-62 |
|---|---|
| Alternative APN |
|
| Building Area | 1,262 sqft Living Area |
|---|
| Year Built | Built 1979 |
|---|---|
| Effective Year Built | Effective 1980 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 15,142 sqft (0.348 acres) |
| Street Address | 431 JOYCE ST |
|---|---|
| City | LIVERMORE |
| State | CA |
| Zip | 94550-2309 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00001 BLK: TR: 3760 |
| Legal Tract | 3760 |
| Legal Lot Number | 1 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | LIVERMORE-PLEASANTON |
| Census Block Group | 1 |
| Census Block | 1039 |
| Census Tract | 451504 |
431 Joyce St is owner-occupied and held in a trust since August 1999.
Source: Alameda County records, as of August 5, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 431 JOYCE ST, LIVERMORE, CA 94550-2309 |
| 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 Transfer Date | Aug 4, 1999 |
| Transfer Doc | 0000360154 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 431 Joyce St was $2,935 with a homeowner's exemption.
Source: Alameda County assessment roll, as of August 5, 2026
| Type | Name |
|---|---|
| State | California |
| County | Alameda County |
| Municipality | Livermore City |
| Unified School District | Livermore Valley Joint Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $169,750 (-2.04%) Land $69,161 Building $107,589 | ||
| 2025 | $2,935.00 Homeowner's exemption | $173,285 Land $67,805 Building $105,480 | |
| 2023 | $2,792.00 Homeowner's exemption | $166,556 Land $65,172 Building $101,384 | $892,170 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 431 Joyce St in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
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 |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| 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 431 Joyce St is low, with less than 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 96% of the US · lower than 97.4% of California |
|---|---|
| Wildfire Likelihood | Under 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: EPA Safe Drinking Water Information System, as of September 2026
| Water System | CITY OF LIVERMORE serves 38,892 people · EPA ID CA0110011 |
|---|---|
| Water Source | Purchased surface water from ZONE 7 WATER AGENCY |
| Last State Inspection | Sep 2024 |
| 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 234 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable · Fiber in parts of the area | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL | 100 / 20 |
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