Alameda County property record for 310 Dumont Ave, Hayward, CA 94544
| Property Type | Quadplex |
|---|---|
| Details | 8 bd · 4 ba · 3,224 sqft · built 1962 |
| Lot Size | 0.18 acres (7,854 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $490,000 (Apr 2013) |
| Tax Bill | $7,769 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 453-10-54 |
| Primary APN | 453-10-54 |
|---|---|
| Alternative APN |
|
| Bedrooms | 8 Beds |
|---|---|
| Full Baths | 4 Baths |
| Total Rooms | 16 Rooms |
| Units | 4 Units |
| Stories | 2 Stories |
| Building Area | 3,224 sqft Living Area |
| Year Built | Built 1962 |
|---|---|
| Effective Year Built | Effective 1962 |
| Exterior Material | Stucco |
| Construction Type | Wood |
| Roof Type | Gable |
| Roof Material | Tar & Gravel |
| Lot Area | 7,854 sqft (0.18 acres) |
| Parking Spaces | 8 Parking Spaces |
| Heating System | Floor/Wall Furnace |
|---|
| Street Address | 310 DUMONT AVE |
|---|---|
| City | HAYWARD |
| State | CA |
| Zip | 94544-3253 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Quadplex |
| Local Zoning Code | R4 |
| Legal Description | LOT: 00006 BLK: 000B TR: 2190 |
| Legal Tract | 2190 |
| Legal Block | B |
| Legal Lot Number | 6 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 2 |
| Census Block | 2008 |
| Census Tract | 437500 |
310 Dumont Ave, a quadplex, is owned by two individuals who bought it in April 2013.
Source: Alameda County records, as of August 5, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 5656 SHADOW RIDGE DR, CASTRO VALLEY, CA 94552-2633 |
| 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.
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Apr 4, 2013 · Amount on File |
| Deed Sale | Apr 4, 2013 · Amount on File |
| Prior Sale | Jul 30, 2009 · Amount on File |
| Deed Document Number | 2013121423 |
| Prior Transfer Date | Oct 20, 2006 |
| Prior Transfer Doc | 0000403557 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 310 Dumont Ave was $7,769.
Source: Alameda County assessment roll, as of August 5, 2026
| Type | Name |
|---|---|
| State | California |
| County | Alameda County |
| Municipality | Hayward City |
| Unified School District | Hayward Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $615,440 (+2%) Land $184,632 Building $430,808 | |
| 2025 | $7,769.00 | $603,375 Land $181,012 Building $422,363 |
| 2023 | $7,579.00 | $579,948 Land $173,984 Building $405,964 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 310 Dumont Ave 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 |
| Nearby Flood Policies | 8 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 310 Dumont 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 | CITY OF HAYWARD serves 162,954 people · EPA ID CA0110006 |
|---|---|
| Water Source | Purchased surface water from SAN FRANCISCO REGIONAL WATER SYSTEM |
| Last State Inspection | Mar 2025 |
| 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 686 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Sonic Telecom Fiber | 10,000 / 10,000 |
| AT&T Fiber · Fixed Wireless, DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| RobinsonHSS Fixed Wireless | 1,000 / 1,000 |
| Tekify Fiber & Wireless Fixed Wireless | 570 / 120 |
| Unwired Fixed Wireless | 300 / 25 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: GeoLinks, Sail Internet, Verizon.
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