Alameda County property record for 5983 Castlebrook Dr, Castro Valley, CA 94552
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.5 ba · 2,039 sqft · built 1986 |
| Lot Size | 0.164 acres (7,152 sqft) |
| Owner | Company Name on Record |
| Tax Bill | $4,877 (2025) |
| Deeds & Mortgages | Jan 2020 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 85-6313-22 |
| Primary APN | 85-6313-22 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 2,039 sqft Living Area |
| Year Built | Built 1986 |
|---|---|
| Effective Year Built | Effective 1986 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 7,152 sqft (0.164 acres) |
| Street Address | 5983 CASTLEBROOK DR |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94552-1643 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00043 BLK: TR: 5053 |
| Legal Subdivision | TR 5053 |
| Legal Tract | 5053 |
| Legal Lot Number | 43 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 1 |
| Census Block | 1008 |
| Census Tract | 430200 |
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 | 5983 CASTLEBROOK DR, CASTRO VALLEY, CA 94552-1643 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Transfer Date | Feb 23, 2024 |
| Transfer Doc | 0000053588 |
| Record Updated | Sep 20, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Jan 10, 2020 |
| Property Address | 5983 CASTLEBROOK DR, CASTRO VALLEY, CA 94552-1643 |
| Document Number | 0000006653 |
| Instrument Date | Dec 30, 2019 |
| Instrument | 6653 |
| Transaction Type | Transfer |
| Record Updated | Mar 3, 2020 |
| Title Company | ATTORNEY ONLY |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 5983 CASTLEBROOK DR CASTRO VALLEY CA 945521643, CASTRO VALLEY, CA 94552-1643 |
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 | $346,629 (-0.02%) Land $82,669 Building $270,960 | ||
| 2025 | $4,877.00 (+4.48%) Homeowner's exemption | $346,696 (+4.04%) Land $81,048 Building $265,648 | |
| 2023 | $4,668.00 Homeowner's exemption | $333,235 Land $77,901 Building $255,334 | $1,511,910 |
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 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 153 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL | 100 / 20 |
May also be available: Unwired.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures