Alameda County property record for 5327 Greenridge Rd, Castro Valley, CA 94552
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.5 ba · 3,960 sqft · built 1979 |
| Lot Size | 0.589 acres (25,657 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $880,000 (Nov 2004) |
| Tax Bill | $15,260 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 85-1602-25 |
| Primary APN | 85-1602-25 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 10 Rooms |
| Stories | 1 Story |
| Building Area | 3,960 sqft Living Area |
| Year Built | Built 1979 |
|---|---|
| Effective Year Built | Effective 1980 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 25,657 sqft (0.589 acres) |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 5327 GREENRIDGE RD |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94552-2619 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00003 BLK: PM: 0111 PAGE: 0008 |
| Legal Lot Number | 3 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 1 |
| Census Block | 1016 |
| Census Tract | 430102 |
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 | 2 Individual Names on Record |
|---|---|
| Mailing Address | 5327 GREENRIDGE RD, CASTRO VALLEY, CA 94552-2619 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Nov 12, 2004 · Amount on Record |
| Deed Sale | Nov 12, 2004 · Amount on Record |
| Deed Document Number | 2004505894 |
| Prior Transfer Date | Nov 9, 2004 |
| Prior Transfer Doc | 0000509749 |
| 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 | $1,244,051 (+1.43%) Land $375,315 Building $875,736 | ||
| 2025 | $15,260.00 (+3.76%) Homeowner's exemption | $1,226,525 (+4.04%) Land $367,957 Building $858,568 | |
| 2023 | $14,707.00 Homeowner's exemption | $1,178,908 Land $353,672 Building $825,236 | $1,669,140 |
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
| 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 52% of the US · lower than 69% of California |
|---|---|
| Wildfire Likelihood | 0.1% 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 228 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: AT&T, Etheric Networks, Unwired, Verizon.
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