Alameda County property record for 20275 Mack St, Hayward, CA 94545
| Property Type | Warehouse, Storage |
|---|---|
| Lot Size | 0.03 acres (1,306 sqft) |
| Owner | Company Name on File |
| Last Sale | $12,000,000 (May 2024) |
| Tax Bill | $1,213 (2025) |
| Deeds & Mortgages | Dec 2019 Mortgage Feb 2022 Mortgage + 3 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 432-84-8 |
| Primary APN | 432-84-8 |
|---|---|
| Alternative APN |
|
| Lot Area | 1,306 sqft (0.03 acres) |
|---|
| Street Address | 20275 MACK ST |
|---|---|
| City | HAYWARD |
| State | CA |
| Zip | 94545-1224 |
| Property Category | Industrial |
| Property Type | Industrial > Warehouse, Storage |
| Legal Description | LOT: 00001 BLK: PM: 0155 PAGE: 0005 ;LOT: 00001 BLK: 0006 AR: 0432 PAGE: 0084 ;LOT: 00008 BLK: AR: 0432 PAGE: 0084 |
| Legal Block | 4 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 4 |
| Census Block | 4005 |
| Census Tract | 437101 |
20275 Mack St, an industrial property, is owned by a company that bought it in May 2024.
Source: Alameda County records, as of August 5, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 101 MONTGOMERY ST, 2, SAN FRANCISCO, CA 94104-4151 |
| Owner Type | Company |
| Vesting | Limited Liability Company |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| Dec 12, 2019 | Deed of Trust, Mortgage · Commercial Mortgage CITI REAL ESTATE FUNDING INC |
| Feb 10, 2022 | Deed of Trust, Mortgage · Commercial Mortgage CITIBANK NA |
| Mar 1, 2019 | Grant Deed, Transfer OTHER |
| Sep 24, 2018 | Deed of Trust, Mortgage ASSOCIATED BK |
| Sep 7, 2018 | Grant Deed, Transfer FIRST AMERICAN TITLE |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | May 8, 2024 · Amount on File |
| Deed Sale | May 8, 2024 · Amount on File |
| Prior Sale | Mar 1, 2019 · Amount on File |
| Deed Document Number | 202458417 |
| Prior Transfer Date | Nov 10, 2009 |
| Prior Transfer Doc | 0000359639 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 20275 MACK ST, HAYWARD, CA 94545-1224 |
| Transaction Type | Mortgage |
| Record Updated | Jul 19, 2022 |
| Title Company | COMMONWEALTH LAND TTL INS CO |
| Name | Verified Name |
|---|
| Document Number | 0000254779 |
|---|---|
| Date | Dec 12, 2019 |
| Instrument | 2019254779 |
| Name | CITI REAL ESTATE FUNDING INC |
|---|---|
| Type | Non-Lending Institution |
| Address | NEW YORK, NY 10013 |
| Type | Commercial Mortgage |
|---|
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 20275 MACK ST, HAYWARD, CA 94545-1224 |
| Transaction Type | Mortgage |
| Record Updated | Jul 19, 2022 |
| Title Company | LA COMMONWEALTH TITLE, COMMONWEALTH TITLE |
| Name | Verified Name |
|---|
| Document Number | 0000032473 |
|---|---|
| Date | Feb 10, 2022 |
| Instrument | 2022032473 |
| Name | CITIBANK NA |
|---|---|
| Type | Bank |
| Address | NEW YORK, NY 10013 |
| Type | Commercial Mortgage |
|---|
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Mar 1, 2019 |
| Property Address | 20275 MACK ST, HAYWARD, CA 94545-1224 |
| Document Number | 0000038984 |
| Instrument Date | Feb 27, 2019 |
| Instrument | 38984 |
| Transaction Type | Transfer |
| Record Updated | Mar 19, 2019 |
| Title Company | OTHER |
| Amount | Amount on Record |
|---|---|
| Tax | $9,570.00 |
| Amount Accuracy | Full Value |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 20275 MACK ST HAYWARD CA 945451224, HAYWARD, CA 94545-1224 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 20275 MACK ST, HAYWARD, CA 94545-1224 |
| Document Number | 0000186228 |
| Instrument Date | Sep 24, 2018 |
| Transaction Type | Mortgage |
| Record Updated | Aug 20, 2020 |
| Title Company | FIRST AMERICAN TITLE, FIRST AMERICAN TITLE INSURANCE |
| Additional |
|
|---|
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | 5500 EQUITY AVE RENO NV 895022343, RENO, NV 89502-2343 |
| Document Number | 0000186228 |
|---|---|
| Date | Sep 25, 2018 |
| Instrument | 186228 |
| Name | ASSOCIATED BK |
|---|---|
| Type | Bank |
| Address | 525 W MONROE ST # 24TH, CHICAGO, IL 60661-3629 |
| Amount | Amount on Record |
|---|---|
| Term | 60 Months |
| Due | Sep 24, 2023 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Sep 7, 2018 |
| Property Address | 20275 MACK ST, HAYWARD, CA 94545-1224 |
| Document Number | 0000175007 |
| Instrument Date | Aug 9, 2018 |
| Instrument | 175007 |
| Transaction Type | Transfer |
| Record Updated | Oct 1, 2018 |
| Title Company | FIRST AMERICAN TITLE |
| Amount | Amount on Record |
|---|---|
| Tax | $9,678.90 |
| Amount Accuracy | Full Value |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | 5500 EQUITY AVE RENO NV 895022343, RENO, NV 89502-2343 |
The 2025 property tax bill for 20275 Mack St was $1,213, up 42.5% from the year before.
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 | $72,828 (+2%) Land $72,828 | |
| 2025 | $1,213.00 (+42.54%) | $71,400 Land $71,400 |
| 2024 | $851.00 (+0.47%) | |
| 2023 | $847.00 | $39,671 Land $39,671 |
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.
FEMA maps place 20275 Mack St 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 | 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.
Wildfire risk around 20275 Mack St is low, with a 0.01% annual chance of wildfire.
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 | 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 36 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Fiber | 2,000 / 2,000 |
| Tekify Fiber & Wireless Fixed Wireless | 530 / 115 |
| Unwired Fixed Wireless | 300 / 25 |
| AT&T Fixed Wireless · Fiber in parts of the area | 100 / 20 |
May also be available: Etheric Networks, GeoLinks, RobinsonHSS, T-Mobile, Verizon.
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