Alameda County property record for 6840 Thornton Ave, Newark, CA 94560
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,039 sqft · built 1890 |
| Lot Size | 0.155 acres (6,753 sqft) |
| Owner | Individual Name on File |
| Last Sale | $645,000 (Jan 2018) |
| Tax Bill | $9,329 (2025) |
| Deeds & Mortgages | Apr 2019 Line of Credit Jan 2018 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 092-0052-005-02 |
| Primary APN | 092-0052-005-02 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 5 Rooms |
| Stories | 2 Stories |
| Building Area | 1,039 sqft Living Area |
| Year Built | Built 1890 |
|---|---|
| Effective Year Built | Effective 1970 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 6,753 sqft (0.155 acres) |
| Street Address | 6840 THORNTON AVE |
|---|---|
| City | NEWARK |
| State | CA |
| Zip | 94560-3637 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00002 BLK: 0005 AR: 0092 PAGE: 0052 |
| Legal Subdivision | NEWARK |
| Legal Block | 238 |
| Legal Lot Number | 6 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | FREMONT |
| Census Block Group | 4 |
| Census Block | 4003 |
| Census Tract | 444500 |
6840 Thornton Ave is owned by an individual who bought it in January 2018.
Source: Alameda County records, as of August 5, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 1236 DRAKE AVE, SAN LEANDRO, CA 94579-1157 |
| Owner Type | Individual |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| Apr 30, 2019 | Deed of Trust, Mortgage · Line of Credit EAST WEST BANK |
| Jan 17, 2018 | Grant Deed, Transfer OLD REPUBLIC TITLE |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jan 17, 2018 · Amount on File |
| Deed Sale | Jan 17, 2018 · Amount on File |
| Deed Document Number | 20188520 |
| Prior Transfer Date | Sep 23, 2011 |
| Prior Transfer Doc | 0000272608 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 6840 THORNTON AVE, NEWARK, CA 94560-3637 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Title Company | OLD REPUBLIC TITLE COMPANY |
| Name | Verified Name |
|---|
| Document Number | 0000078700 |
|---|---|
| Date | Apr 30, 2019 |
| Instrument | 2019078700 |
| Name | EAST WEST BANK |
|---|---|
| Type | Bank |
| Address | EL MONTE, CA 91731 |
| Type | Line of Credit |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Apr 17, 2049 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Jan 17, 2018 |
| Property Address | 6840 THORNTON AVE, NEWARK, CA 94560-3637 |
| Document Number | 0000008520 |
| Instrument Date | Jan 4, 2018 |
| Instrument | 8520 |
| Transaction Type | Transfer |
| Record Updated | Jan 30, 2018 |
| Title Company | OLD REPUBLIC TITLE |
| Amount | Amount on Record |
|---|---|
| Tax | $709.50 |
| Amount Accuracy | Full Value |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 1236 DRAKE AVE SAN LEANDRO CA 945791157, SAN LEANDRO, CA 94579-1157 |
The 2025 property tax bill for 6840 Thornton Ave was $9,329.
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 | $758,687 (+2%) Land $224,568 Building $534,119 | ||
| 2025 | $9,329.00 | $743,815 Land $220,166 Building $523,649 | |
| 2023 | $8,922.00 | $714,933 Land $211,617 Building $503,316 | $680,310 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 6840 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 |
| Nearby Flood Policies | 2 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.
The area around 6840 Thornton Ave has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within 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 458 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| RobinsonHSS Fixed Wireless | 1,000 / 1,000 |
| Tekify Fiber & Wireless Fixed Wireless | 600 / 130 |
| Verizon Fixed Wireless | 300 / 20 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| Ridge Wireless Fixed Wireless | 100 / 60 |
May also be available: AT&T, GeoLinks, Sail Internet, T-Mobile.
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