Alameda County property record for 8343 Thornton Ave, Newark, CA 94560
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 1 ba · 1,566 sqft · built 1952 |
| Lot Size | 0.144 acres (6,250 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $430,000 (Mar 2004) |
| Tax Bill | $7,807 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 92A-462-78 |
| Primary APN | 92A-462-78 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,566 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1952 |
|---|---|
| Effective Year Built | Effective 1952 |
| Architectural Style | Custom Design |
| Construction Type | Wood |
| Lot Area | 6,250 sqft (0.144 acres) |
| Lot Dimensions | 125 ft deep x 50 ft wide |
| Street Address | 8343 THORNTON AVE |
|---|---|
| City | NEWARK |
| State | CA |
| Zip | 94560-2730 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00078 BLK: AR: 092A PAGE: 0462 |
| Legal Subdivision | SOUTHERN PACIFIC RAILROAD |
| Legal Block | 202 |
| Legal Lot Number | 16 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | FREMONT |
| Census Block Group | 2 |
| Census Block | 2027 |
| Census Tract | 444304 |
8343 Thornton Ave is owned by two individuals who acquired it in February 2006.
Source: Alameda County records, as of August 5, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 628 LOS PINOS PL, FREMONT, CA 94539-3766 |
| Owner Type | Individual |
| Vesting | Joint Tenants |
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 | 2 Names on Deed |
|---|---|
| Last Sale | Mar 4, 2004 · Amount on File |
| Deed Sale | Mar 4, 2004 · Amount on File |
| Prior Sale | Jun 17, 1999 · Amount on File |
| Deed Document Number | 200492586 |
| Last Transfer Date | Feb 24, 2006 |
| Transfer Doc | 0000111620 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 8343 Thornton Ave was $7,807.
Source: Alameda County assessment roll, as of August 5, 2026
| Type | Name |
|---|---|
| State | California |
| County | Alameda County |
| Municipality | Newark City |
| Unified School District | Newark Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $623,560 (+2%) Land $187,068 Building $436,492 | ||
| 2025 | $7,807.00 | $611,334 Land $183,400 Building $427,934 | |
| 2023 | $7,460.00 | $587,598 Land $176,279 Building $411,319 | $925,200 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 8343 Thornton Ave 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 |
| Flood Insurance Cost | Premium on File median of 13 policies |
| Nearby Flood Policies | 13 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 8343 Thornton Ave 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: EPA Safe Drinking Water Information System, as of September 2026
| Water System | ALAMEDA COUNTY WATER DISTRICT serves 344,000 people · EPA ID CA0110001 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Nov 2025 |
| Lead | Under 1 ppb (2022–2024) 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 385 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 |
| RobinsonHSS Fixed Wireless | 1,000 / 1,000 |
| Tekify Fiber & Wireless Fixed Wireless | 700 / 700 |
| Verizon Fixed Wireless | 300 / 20 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: AT&T, GeoLinks, Sail Internet.
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