Alameda County property record for 857 Oasis Ct, Hayward, CA 94544
| Property Type | Planned Unit Development |
|---|---|
| Details | 4 bd · 3.5 ba · 1,969 sqft · built 2021 |
| Lot Size | 0.051 acres (2,217 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $990,000 (Dec 2021) |
| Tax Bill | $13,867 (2025) |
| Deeds & Mortgages | Dec 2021 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 78C-805-42 |
| Primary APN | 78C-805-42 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 6 Rooms |
| Stories | 3 Stories |
| Building Area | 1,969 sqft Living Area |
| Year Built | Built 2021 |
|---|---|
| Effective Year Built | Effective 2021 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 2,217 sqft (0.051 acres) |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 857 OASIS CT |
|---|---|
| City | HAYWARD |
| State | CA |
| Zip | 94544-4130 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Planned Unit Development |
| Legal Description | LOT: 00030 BLK: TR: 8439 |
| Legal Subdivision | 8439 ERSTED PROP |
| Legal Tract | 8439 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 1 |
| Census Block | 1009 |
| Census Tract | 435104 |
Source: Alameda County records, as of August 5, 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 Individual Names on File |
|---|---|
| Mailing Address | 857 OASIS CT, HAYWARD, CA 94544-4130 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Dec 22, 2021 · Amount on File |
| Deed Sale | Dec 22, 2021 · Amount on File |
| Deed Document Number | 2021403383 |
| Record Updated | Sep 20, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Dec 22, 2021 |
| Property Address | 857 OASIS CT, HAYWARD, CA 94544-4130 |
| Document Number | 0000403383 |
| Map Reference | MB 361 PG 7-16 |
| Instrument Date | Dec 9, 2021 |
| Instrument | 2021403383 |
| Transaction Type | Subdivision Related Transfer |
| Record Updated | Sep 28, 2023 |
| Title Company | FIRSTAMERICAN TITLE COMPANY, FIRST AMERICAN TITLE COMPANY |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $9,504.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 857 OASIS COURT, HAYWARD, CA 94544-4130 |
| Document Number | 0000403384 |
|---|---|
| Date | Dec 22, 2021 |
| Instrument | 2021403384 |
| Name | DHI MORTGAGE COMPANY LTD |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Jan 1, 2052 |
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 | $1,071,595 (+2%) Land $321,478 Building $750,117 | |
| 2025 | $13,867.00 (+2.77%) | $1,050,587 (+4.04%) Land $315,176 Building $735,411 |
| 2023 | $13,493.00 | $1,009,800 Land $302,940 Building $706,860 |
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
| 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 | Moderate above 57% of the US · lower than 65% of California |
|---|---|
| Wildfire Likelihood | 0.2% annual chance |
| Exposure | Direct burnable vegetation |
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 238 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| RobinsonHSS Fixed Wireless | 1,000 / 1,000 |
| Tekify Fiber & Wireless Fixed Wireless | 580 / 125 |
| Verizon Fixed Wireless | 300 / 20 |
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