Alameda County property record for 5559 Greenridge Rd, Castro Valley, CA 94552
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 1,842 sqft · built 1960 |
| Lot Size | 1.32 acres (57,770 sqft) |
| Owner | Company Name on Record |
| Last Sale | $629,500 (Oct 2008) |
| Tax Bill | $10,435 (2025) |
| Deeds & Mortgages | Nov 2022 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 85-1603-9 |
| Primary APN | 85-1603-9 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,842 sqft Living Area |
| Year Built | Built 1960 |
|---|---|
| Effective Year Built | Effective 1961 |
| Architectural Style | H-Shape |
| Construction Type | Wood |
| Lot Area | 57,770 sqft |
| Street Address | 5559 GREENRIDGE RD |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94552-2640 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00004 BLK: 0004 TR: 2084 |
| Legal Subdivision | TRACT 2084 |
| Legal Tract | 2084 |
| Legal Block | 4 |
| Legal Lot Number | 4 |
| 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 | Company Name on Record |
|---|---|
| Mailing Address | 561 9TH AVE, MENLO PARK, CA 94025-1803 |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Oct 28, 2008 · Amount on Record |
| Deed Sale | Oct 28, 2008 · Amount on Record |
| Prior Sale | Feb 15, 2006 · Amount on Record |
| Deed Document Number | 2008309676 |
| Prior Transfer Date | Feb 29, 1996 |
| Prior Transfer Doc | 0000110279 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 5559 GREENRIDGE RD, CASTRO VALLEY, CA 94552-2640 |
| Transaction Type | Mortgage |
| Record Updated | Jun 8, 2026 |
| Title Company | OLD REPUBLIC TITLE, OLD REPUBLIC TTL CO OAKLAND |
| Name | Verified Name |
|---|---|
| Address | 561 9TH AVE, MENLO PARK, CA 94025-1803 |
| Document Number | 0000184087 |
|---|---|
| Date | Nov 10, 2022 |
| Instrument | 2022184087 |
| Name | FIRST REPUBLIC BANK |
|---|---|
| Type | Bank |
| Address | SAN FRANCISCO, CA 94111 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Dec 1, 2052 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 3.95% |
| Type Change Date | Dec 1, 2029 |
| Change Frequency | Monthly |
| Min Rate At Change | 2.95% |
| Max Rate At Change | 10.9% |
| Index | 1-Year T-Bill |
| Max Rate | 10.9% |
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 | $826,797 (+2%) Land $248,039 Building $578,758 | ||
| 2025 | $10,435.00 (+2.25%) | $810,587 (+4.04%) Land $243,176 Building $567,411 | |
| 2024 | $10,205.00 (+1.59%) | ||
| 2023 | $10,045.00 | $779,118 Land $233,735 Building $545,383 | $1,481,400 |
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 58% 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 | 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 252 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Etheric Networks, Unwired.
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