Alameda County property record for 3138 Diablo Ave, Hayward, CA 94545
| Property Type | Warehouse, Storage |
|---|---|
| Details | 4 ba · 7,888 sqft · built 1979 |
| Lot Size | 0.568 acres (24,760 sqft) |
| Owner | Company Name on Record |
| Last Sale | $1,750,000 (Mar 2023) |
| Tax Bill | $22,095 (2025) |
| Deeds & Mortgages | Mar 2023 Transfer Mar 2023 Sale + 2 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 439-75-21 |
| Primary APN | 439-75-21 |
|---|---|
| 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 | 24,760 sqft (0.568 acres) |
| Street Address | 3138 DIABLO AVE |
|---|---|
| City | HAYWARD |
| State | CA |
| Zip | 94545-2702 |
| Property Category | Industrial |
| Property Type | Industrial > Warehouse, Storage |
| Legal Description | LOT: 0000C BLK: PM: 0101 PAGE: 0071 |
| Legal Subdivision | MAP #2380 |
| Legal Tract | 3554 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 4 |
| Census Block | 4037 |
| Census Tract | 437101 |
Source: Alameda County records, as of August 5, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on Record |
|---|---|
| Mailing Address | 255 CHESTNUT ST, SAN FRANCISCO, CA 94133-2406 |
| Owner Type | Company |
| Vesting | Limited Liability Company |
| Date | Document |
|---|---|
| Mar 14, 2023 | Affidavit of Death of Joint Tenant, Transfer CHICAGO TITLE COMPANY |
| Mar 14, 2023 | Grant Deed, Transfer CHICAGO TITLE COMPANY |
| Aug 11, 2022 | Intrafamily Transfer, Transfer |
| Feb 1, 2022 | Intrafamily Transfer, Transfer |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Mar 14, 2023 · Amount on Record |
| Deed Sale | Mar 14, 2023 · Amount on Record |
| Deed Document Number | 202330160 |
| Prior Transfer Date | Aug 4, 2022 |
| Prior Transfer Doc | 0000141337 |
| Record Updated | Sep 20, 2026 |
| Document Type | Affidavit of Death of Joint Tenant |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Mar 14, 2023 |
| Property Address | 3138 DIABLO AVE, HAYWARD, CA 94545-2702 |
| Document Number | 0000030159 |
| Map Reference | MB 101 PG 71 |
| Instrument Date | Mar 9, 2023 |
| Instrument | 2023030159 |
| Transaction Type | Transfer |
| Record Updated | Apr 5, 2023 |
| Title Company | CHICAGO TITLE COMPANY |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Mar 14, 2023 |
| Property Address | 3138 DIABLO AVE, HAYWARD, CA 94545-2702 |
| Document Number | 0000030160 |
| Map Reference | MB 101 PG 71 |
| Instrument Date | Mar 8, 2023 |
| Instrument | 2023030160 |
| Transaction Type | Transfer |
| Record Updated | Apr 5, 2023 |
| Title Company | CHICAGO TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Tax | $16,800.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 255 CHESTNUT ST, SAN FRANCISCO, CA 94133-2406 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Aug 11, 2022 |
| Property Address | 3138 DIABLO AVE, HAYWARD, CA 94545-2702 |
| Document Number | 0000141337 |
| Map Reference | MB 101 PG 71 |
| Instrument Date | Aug 4, 2022 |
| Instrument | 2022141337 |
| Transaction Type | Transfer |
| Record Updated | Jun 7, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 350 PRIMROSE RD, BURLINGAME, CA 94010-4005 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Feb 1, 2022 |
| Property Address | 3138 DIABLO AVE, HAYWARD, CA 94545-2702 |
| Document Number | 0000022017 |
| Map Reference | MB 101 PG 71 |
| Instrument Date | Jan 8, 2022 |
| Instrument | 2022022017 |
| Transaction Type | Transfer |
| Record Updated | Feb 17, 2022 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 1526 CHERRYWOOD DR, SAN MATEO, CA 94403-3904 |
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 | $1,857,100 (+2%) Land $1,050,588 Building $806,512 | |
| 2025 | $22,095.00 (+0.96%) | $1,820,700 (+173.17%) Land $1,029,996 Building $790,704 |
| 2024 | $21,885.00 (+152.45%) | |
| 2023 | $8,669.00 | $666,507 Land $262,104 Building $404,403 |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
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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