Alameda County property record for 25651 Crestfield Dr, Castro Valley, CA 94552
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.5 ba · 2,605 sqft · built 2000 |
| Lot Size | 0.172 acres (7,481 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $576,500 (May 2000) |
| Tax Bill | $12,159 (2025) |
| Deeds & Mortgages | Aug 2022 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 417-298-18 |
| Primary APN | 417-298-18 |
|---|---|
| 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 2000 |
|---|---|
| Effective Year Built | Effective 2000 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 7,481 sqft (0.172 acres) |
| Parking Spaces | 3 Parking Spaces |
| Street Address | 25651 CRESTFIELD DR |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94552-5554 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00010 BLK: TR: 6815 |
| Legal Tract | 6815 |
| Legal Lot Number | 10 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 3 |
| Census Block | 3003 |
| Census Tract | 435103 |
25651 Crestfield Dr is owned and occupied by two individuals who acquired it in August 2022.
Source: Alameda County records, as of August 5, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 25651 CRESTFIELD DR, CASTRO VALLEY, CA 94552-5554 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | May 19, 2000 · Amount on File |
| Deed Sale | May 19, 2000 · Amount on File |
| Deed Document Number | 2000150053 |
| Last Transfer Date | Aug 10, 2022 |
| Transfer Doc | 0000143956 |
| Record Updated | Sep 20, 2026 |
| Document Type | Affidavit of Death of Joint Tenant |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Aug 17, 2022 |
| Property Address | 25651 CRESTFIELD DR, CASTRO VALLEY, CA 94552-5554 |
| Document Number | 0000143956 |
| Map Reference | MB 235 PG 27-31 |
| Instrument Date | Aug 16, 2022 |
| Instrument | 2022143956 |
| Transaction Type | Transfer |
| Record Updated | Sep 13, 2022 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 25651 CRESTFIELD DR, CASTRO VALLEY, CA 94552-5554 |
The 2025 property tax bill for 25651 Crestfield Dr was $12,159.
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 | $928,410 (+2%) Land $278,575 Building $649,835 | ||
| 2025 | $12,159.00 | $910,210 Land $273,114 Building $637,096 | |
| 2023 | $11,908.00 | $874,871 Land $262,510 Building $612,361 | $1,563,660 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 25651 Crestfield Dr 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 |
| 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.
Wildfire risk around 25651 Crestfield Dr is moderate, ranking above 56% of the US, with a 0.1% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 56% of the US · lower than 66% of California |
|---|---|
| Wildfire Likelihood | 0.1% 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 | 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 258 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 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Etheric Networks.
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