Alameda County property record for 3144 Diablo Ave, Hayward, CA 94545
| Property Type | Warehouse, Storage |
|---|---|
| Details | 4 ba · 7,888 sqft · built 1979 |
| Lot Size | 0.562 acres (24,468 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $2,850,000 (May 2026) |
| Tax Bill | $25,629 (2025) |
| Deeds & Mortgages | May 2026 Sale & Mortgage Jun 2022 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 439-75-22 |
| Primary APN | 439-75-22 |
|---|---|
| Alternative APN |
|
| Full Baths | 4 Baths |
|---|---|
| Stories | 1 Story |
| Building Area | 7,888 sqft Total Area |
| Year Built | Built 1979 |
|---|---|
| Effective Year Built | Effective 1979 |
| Architectural Style | Custom Design |
| Construction Type | Masonry / Concrete Block |
| Fire Resistance | Masonry Walls, Wood Interior |
| Lot Area | 24,468 sqft (0.562 acres) |
| Street Address | 3144 DIABLO AVE |
|---|---|
| City | HAYWARD |
| State | CA |
| Zip | 94545-2702 |
| Property Category | Industrial |
| Property Type | Industrial > Warehouse, Storage |
| Legal Description | LOT: 0000B BLK: PM: 0101 PAGE: 0071 |
| Legal Subdivision | PM2380 |
| Legal Lot Number | B |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 4 |
| Census Block | 4037 |
| Census Tract | 437101 |
Source: Alameda County records, as of September 22, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on Record |
|---|---|
| Mailing Address | 564 W SUNSET BLVD, HAYWARD ACRES, CA 94541-4718 |
| Owner Type | Individual |
| Vesting | Community Property |
| Date | Document |
|---|---|
| May 1, 2026 | Grant Deed, Transfer · Conventional Mortgage WELLSFARGOBANKNA |
| Jun 30, 2022 | Grant Deed, Transfer · Commercial Mortgage LEE R HARRIS FAMILY TRUST |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | May 1, 2026 · Amount on Record |
| Deed Sale | May 1, 2026 · Amount on Record |
| Prior Sale | Jun 30, 2022 · Amount on Record |
| Deed Document Number | 202657121 |
| Prior Transfer Date | Feb 26, 2010 |
| Prior Transfer Doc | 0000058878 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | May 1, 2026 |
| Property Address | 3144 DIABLO AVE, HAYWARD, CA 94545-2702 |
| Document Number | 0000057121 |
| Instrument Date | Apr 21, 2026 |
| Instrument | 202657121 |
| Transaction Type | Transfer |
| Record Updated | Jun 5, 2026 |
| Title Company | FIRST AMERICAN TITLE |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $316,635.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property |
| Address | 564 W SUNSET BLVD, HAYWARD ACRES, CA 94541-4718 |
| Document Number | 0000057122, |
|---|---|
| Date | May 1, 2026 |
| Instrument | 202657122 |
| Name | WELLSFARGOBANKNA |
|---|
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Rate | 6.22% |
|---|---|
| Max Rate | -1% |
| Document Number | 0000057124, |
|---|---|
| Date | May 1, 2026 |
| Instrument | 202657124 |
| Name | WELLSFARGOBANKNA |
|---|
| Amount | Amount Recorded |
|---|
| Rate | 6.22% |
|---|---|
| Max Rate | -1% |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Jun 30, 2022 |
| Property Address | 3144 DIABLO AVE, HAYWARD, CA 94545-2702 |
| Document Number | 0000120487 |
| Map Reference | MB 101 PG 71 |
| Instrument Date | Jun 24, 2022 |
| Instrument | 2022120487 |
| Transaction Type | Transfer |
| Record Updated | Jul 25, 2022 |
| Title Company | FIRSTAMERICAN TITLE COMPANY, FIRST AMERICAN TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $19,200.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Tenants in Common |
| Address | 32698 FOXGLOVE WAY, UNION CITY, CA 94587-1986 |
| Document Number | 0000120488 |
|---|---|
| Date | Jun 30, 2022 |
| Instrument | 2022120488 |
| Name | LEE R HARRIS FAMILY TRUST |
|---|---|
| Type | Private Party |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount Recorded |
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 | $2,164,840 (+2%) Land $757,694 Building $1,407,146 | |
| 2025 | $25,629.00 (+2.5%) | $2,122,400 (+4.04%) Land $742,840 Building $1,379,560 |
| 2023 | $25,005.00 | $2,040,000 Land $714,000 Building $1,326,000 |
Assessed value is set for property tax purposes and is not a market price estimate.
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 | 7 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.
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 | 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 108 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Fiber · Cable in parts of the area | 2,000 / 2,000 |
| Tekify Fiber & Wireless Fixed Wireless | 1,000 / 1,000 |
| Unwired Fixed Wireless | 300 / 25 |
May also be available: Etheric Networks, GeoLinks, RobinsonHSS, T-Mobile, Verizon.
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