Alameda County property record for 28720 Barn Rock Dr, Hayward, CA 94542
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 3 ba · 3,653 sqft · built 1994 |
| Lot Size | 0.222 acres (9,665 sqft) |
| Owner | Individual Name on File |
| Last Sale | $450,000 (Oct 1993) |
| Tax Bill | $10,447 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 425-490-27 |
| Primary APN | 425-490-27 |
|---|---|
| Alternative APN |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 10 Rooms |
| Stories | 2 Stories |
| Building Area | 3,653 sqft Living Area |
| Year Built | Built 1994 |
|---|---|
| Effective Year Built | Effective 1994 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 9,665 sqft (0.222 acres) |
| Parking Spaces | 3 Parking Spaces |
| Street Address | 28720 BARN ROCK DR |
|---|---|
| City | HAYWARD |
| State | CA |
| Zip | 94542-2236 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00104 BLK: TR: 4007 |
| Legal Subdivision | TR 4007 |
| Legal Tract | 4007 |
| Legal Lot Number | 104 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 1 |
| Census Block | 1001 |
| Census Tract | 435102 |
28720 Barn Rock Dr is owned and occupied by an individual who acquired it in January 2025.
Source: Alameda County records, as of August 5, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 28720 BARN ROCK DR, HAYWARD, CA 94542-2236 |
| Occupancy | Owner Occupied |
| 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 | Name on Deed |
|---|---|
| Last Sale | Oct 29, 1993 · Amount on File |
| Deed Sale | Oct 29, 1993 · Amount on File |
| Deed Document Number | 1993387108 |
| Last Transfer Date | Jan 24, 2025 |
| Transfer Doc | 0000015196 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 28720 Barn Rock Dr was $10,447.
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 | Assessed Market Value |
|---|---|---|---|
| 2026 | $780,114 (+2%) Land $242,702 Building $537,412 | ||
| 2025 | $10,447.00 | $764,820 Land $237,944 Building $526,876 | |
| 2023 | $10,127.00 | $735,124 Land $228,705 Building $506,419 | $1,616,040 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 28720 Barn Rock Dr 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 | 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 28720 Barn Rock Dr is high, ranking above 78% of the US, with a 0.4% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | High above 78% of the US · above 55% of California |
|---|---|
| Wildfire Likelihood | 0.4% annual chance |
| Exposure | Indirect 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 327 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL · Fixed Wireless in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
Search by:
By searching, you agree to: Terms • Privacy • Disclosures