Alameda County property record for 28827 Mack St, Hayward, CA 94545
| Property Type | Industrial Condominium |
|---|---|
| Details | 2,592 sqft · built 2004 |
| Lot Size | 1.34 acres (58,686 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $995,000 (Aug 2021) |
| Tax Bill | $12,907 (2025) |
| Deeds & Mortgages | Aug 2021 Sale Dec 2019 Transfer + 2 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 432-80-26 |
| Primary APN | 432-80-26 |
|---|---|
| Alternative APN |
|
| Stories | 1 Story |
|---|---|
| Building Area | 2,592 sqft Total Area |
| Year Built | Built 2004 |
|---|---|
| Effective Year Built | Effective 2005 |
| Construction Type | Masonry / Concrete Block |
| Fire Resistance | Masonry Walls, Wood Interior |
| Lot Area | 58,686 sqft |
| Street Address | 28827 MACK ST |
|---|---|
| City | HAYWARD |
| State | CA |
| Zip | 94545-1215 |
| Property Category | Industrial |
| Property Type | Industrial > Industrial Condominium |
| Legal Description | BK: P276 PAGE: 67 LOT: BLDG: UNIT:4 |
| Legal Subdivision | WILCOX PLACE |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 4 |
| Census Block | 4005 |
| 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 | 2 Individual Names on Record |
|---|---|
| Mailing Address | 1821 NELSON DR, SANTA CLARA, CA 95054-1647 |
| Owner Type | Individual |
| Vesting | Community Property |
| Date | Document |
|---|---|
| Aug 16, 2021 | Grant Deed, Transfer OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY |
| Dec 12, 2019 | Quit Claim Deed, Transfer FIRST AMERICAN TITLE, FIRST AMERICAN TITLE INS CO NA |
| Dec 12, 2019 | Grant Deed, Transfer · Commercial Mortgage JPMORGAN CHASE BANK NA |
| Dec 12, 2019 | Quit Claim Deed, Transfer NOT AVAILABLE |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Aug 16, 2021 · Amount on Record |
| Deed Sale | Aug 16, 2021 · Amount on Record |
| Prior Sale | Dec 12, 2019 · Amount on Record |
| Deed Document Number | 2021277914 |
| Prior Transfer Date | Nov 22, 2019 |
| Prior Transfer Doc | 0000255335 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Aug 16, 2021 |
| Property Address | 28827 MACK ST, HAYWARD, CA 94545-1215 |
| Document Number | 0000277914 |
| Map Reference | DOC 2004-335580 |
| Instrument Date | Aug 6, 2021 |
| Instrument | 2021277914 |
| Transaction Type | Transfer |
| Record Updated | Sep 8, 2021 |
| Title Company | OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Tax | $9,552.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property with Right of Survivorship |
| Address | 1821 NELSON DR, SANTA CLARA, CA 95054-1647 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Dec 12, 2019 |
| Property Address | 28827 MACK ST, HAYWARD, CA 94545-1215 |
| Document Number | 0000255334 |
| Instrument Date | Nov 22, 2019 |
| Instrument | 255334 |
| Transaction Type | Transfer |
| Record Updated | Jan 16, 2020 |
| Title Company | FIRST AMERICAN TITLE, FIRST AMERICAN TITLE INS CO NA |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Separate Estate/Property |
| Address | 6873 HEATH CT PLEASANTON CA 945884417, PLEASANTON, CA 94588-4417 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Dec 12, 2019 |
| Property Address | 28827 MACK ST, HAYWARD, CA 94545-1215 |
| Document Number | 0000255336 |
| Map Reference | MB 276 PG 67&68 |
| Instrument Date | Nov 22, 2019 |
| Instrument | 2019255336 |
| Transaction Type | Transfer |
| Record Updated | Aug 19, 2021 |
| Title Company | FIRST AMER TTL INS CO NATL C |
| Amount | Amount Recorded |
|---|---|
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Calculated from Transfer Tax |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 6873 HEATH CT, PLEASANTON, CA 94588-4417 |
| Document Number | 0000255337 |
|---|---|
| Date | Dec 12, 2019 |
| Instrument | 2019255337 |
| Name | JPMORGAN CHASE BANK NA |
|---|---|
| Type | Bank |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount Recorded |
| Document Number | 0000255338 |
|---|---|
| Date | Dec 12, 2019 |
| Instrument | 2019255338 |
| Name | JPMORGAN CHASE BANK NA |
|---|---|
| Type | Bank |
| Address | IRVINE, CA 92614 |
| Type | Construction Mortgage |
|---|---|
| Amount | Amount Recorded |
| Rate Type | Adjustable Rate |
|---|
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Dec 12, 2019 |
| Property Address | 28827 MACK ST, HAYWARD, CA 94545-1215 |
| Document Number | 0000255339 |
| Instrument Date | Nov 13, 2019 |
| Instrument | 255339 |
| Transaction Type | Transfer |
| Record Updated | Jan 16, 2020 |
| Title Company | NOT AVAILABLE |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Company |
Source: Alameda County assessment roll, as of August 5, 2026
| Type | Name |
|---|---|
| State | California |
| County | Alameda County |
| Municipality | Hayward City |
| Unified School District | San Lorenzo Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $1,077,007 (+2%) Land $324,726 Building $752,281 | |
| 2025 | $12,907.00 (+2.16%) | $1,055,894 (+4.04%) Land $318,360 Building $737,534 |
| 2023 | $12,634.00 | $1,014,900 Land $306,000 Building $708,900 |
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 84 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 / 250 |
| Tekify Fiber & Wireless Fixed Wireless | 530 / 115 |
| Unwired Fixed Wireless | 300 / 25 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: Etheric Networks, GeoLinks, RobinsonHSS, T-Mobile, Verizon.
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