Alameda County property record for 548 Mardie St, Hayward, CA 94544
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,360 sqft · built 1950 |
| Lot Size | 0.138 acres (6,020 sqft) |
| Owner | 2 Company Names on Record |
| Last Sale | $760,000 (Apr 2024) |
| Tax Bill | $9,467 (2025) |
| Deeds & Mortgages | Apr 2024 Transfer Apr 2024 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 444-39-23 |
| Primary APN | 444-39-23 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,360 sqft Living Area |
| Year Built | Built 1950 |
|---|---|
| Effective Year Built | Effective 1950 |
| Architectural Style | Custom Design |
| Construction Type | Wood |
| Lot Area | 6,020 sqft (0.138 acres) |
| Street Address | 548 MARDIE ST |
|---|---|
| City | HAYWARD |
| State | CA |
| Zip | 94544-2046 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00019 BLK: 0001 TR: 0973 |
| Legal Subdivision | TRACT 973 |
| Legal Tract | 0973 |
| Legal Block | 1 |
| Legal Lot Number | 19 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 2 |
| Census Block | 2003 |
| Census Tract | 436601 |
Source: Alameda County records, as of August 26, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | 2 Company Names on Record |
|---|---|
| Mailing Address | 131 POPPYWOOD CT, HAYWARD, CA 94544-1238 |
| Owner Type | Company |
| Vesting | Trust, Revocable Trust |
| Date | Document |
|---|---|
| Apr 8, 2024 | Intrafamily Transfer, Transfer |
| Apr 8, 2024 | Affidavit of Death of Joint Tenant, Transfer |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Apr 26, 2024 · Amount on Record |
| Deed Sale | Apr 26, 2024 · Amount on Record |
| Deed Document Number | 202453710 |
| Prior Transfer Date | Apr 1, 2024 |
| Prior Transfer Doc | 0000045804 |
| Record Updated | Oct 29, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Apr 8, 2024 |
| Property Address | 548 MARDIE ST, HAYWARD, CA 94544-2046 |
| Document Number | 0000045805 |
| Map Reference | MB 30 PG 53 |
| Instrument Date | Feb 28, 2024 |
| Instrument | 2024045805 |
| Transaction Type | Transfer |
| Record Updated | May 9, 2024 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Living Trust |
| Address | 548 MARDIE ST, HAYWARD, CA 94544-2046 |
| Document Type | Affidavit of Death of Joint Tenant |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Apr 8, 2024 |
| Property Address | 548 MARDIE ST, HAYWARD, CA 94544-2046 |
| Document Number | 0000045804 |
| Map Reference | MB 30 PG 53 |
| Instrument Date | Feb 28, 2024 |
| Instrument | 2024045804 |
| Transaction Type | Transfer |
| Record Updated | May 9, 2024 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 548 MARDIE ST, HAYWARD, CA 94544-2046 |
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 | $790,703 (+2%) Land $237,211 Building $553,492 | ||
| 2025 | $9,467.00 (+221.79%) | $775,200 (+259.23%) Land $232,560 Building $542,640 | |
| 2023 | $2,942.00 | $215,797 Land $99,079 Building $116,718 | $852,930 |
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
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land 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 642 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 |
| RobinsonHSS Fixed Wireless | 1,000 / 1,000 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: Etheric Networks, GeoLinks, Sail Internet, T-Mobile, Tekify Fiber & Wireless.
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