Alameda County property record for 25561 Crestfield Dr, Castro Valley, CA 94552
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.5 ba · 2,605 sqft · built 1998 |
| Lot Size | 0.155 acres (6,759 sqft) |
| Owner | Company Name on Record |
| Last Sale | $418,500 (Jun 1998) |
| Tax Bill | $9,253 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 417-286-54 |
| Primary APN | 417-286-54 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 2,605 sqft Living Area |
| Year Built | Built 1998 |
|---|---|
| Effective Year Built | Effective 2000 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 6,759 sqft (0.155 acres) |
| Parking Spaces | 3 Parking Spaces |
| Street Address | 25561 CRESTFIELD DR |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94552-5541 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00048 BLK: TR: 6814 |
| Legal Tract | 6814 |
| Legal Lot Number | 48 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 3 |
| Census Block | 3003 |
| Census Tract | 435103 |
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 | 25561 CRESTFIELD DR, CASTRO VALLEY, CA 94552-5541 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jun 10, 1998 · Amount on Record |
| Deed Sale | Jun 10, 1998 · Amount on Record |
| Deed Document Number | 1998193610 |
| Last Transfer Date | Nov 24, 2010 |
| Transfer Doc | 0000360695 |
| Record Updated | Sep 20, 2026 |
Source: Alameda County assessment roll, as of August 5, 2026
| Type | Name |
|---|---|
| State | California |
| County | Alameda County |
| Unified School District | Castro Valley Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $673,916 (+0.95%) Land $203,737 Building $477,179 | ||
| 2025 | $9,253.00 (+2.18%) Homeowner's exemption | $667,567 (+4.04%) Land $199,743 Building $467,824 | |
| 2023 | $9,056.00 Homeowner's exemption | $641,649 Land $191,988 Building $449,661 | $1,572,030 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
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 |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 4 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 | Moderate above 66% of the US · above 41% of California |
|---|---|
| Wildfire Likelihood | 0.2% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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 | EAST BAY MUD serves 1,468,000 people · EPA ID CA0110005 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Dec 2021 |
| Lead | Under 1 ppb (2022–2024) 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. This system sells water to local utilities; the supplier billing this address may be one of them.
Source: FCC Broadband Data Collection, based on 441 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
May also be available: Etheric Networks.
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