Alameda County property record for 18802 Mount Jasper Dr, Castro Valley, CA 94552
| Property Type | Planned Unit Development |
|---|---|
| Details | 3 bd · 2 ba · 1,692 sqft · built 1989 |
| Lot Size | 0.16 acres (7,000 sqft) |
| Owner | Company Name on File |
| Tax Bill | $7,808 (2025) |
| Deeds & Mortgages | Apr 2020 Transfer Apr 2019 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 85A-6408-56 |
| Primary APN | 85A-6408-56 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,692 sqft Living Area |
| Year Built | Built 1989 |
|---|---|
| Architectural Style | Other |
| Construction Type | Wood |
| Lot Area | 7,000 sqft (0.16 acres) |
| Street Address | 18802 MOUNT JASPER DR |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94552-1938 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Planned Unit Development |
| Legal Subdivision | 5500 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 2 |
| Census Block | 2007 |
| Census Tract | 430101 |
Source: Alameda County assessment roll, as of July 1, 2025
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 17225 COLUMBIA DR, CASTRO VALLEY, CA 94552-1606 |
| Owner Type | Company |
| Date | Document |
|---|---|
| Apr 16, 2020 | Affidavit of Death, Transfer ATTORNEY ONLY |
| Apr 9, 2019 | Quit Claim Deed, Transfer ATTORNEY ONLY |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Apr 9, 2019 |
| Deed Sale | Apr 9, 2019 |
| Prior Sale | Mar 5, 2012 · Amount on Record |
| Deed Document Number | 2019063019 |
| Record Updated | Jun 7, 2026 |
| Document Type | Affidavit of Death |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Apr 16, 2020 |
| Property Address | 18802 MOUNT JASPER DR, CASTRO VALLEY, CA 94552-1938 |
| Document Number | 0000086349 |
| Instrument Date | Mar 11, 2020 |
| Instrument | 86349 |
| Transaction Type | Transfer |
| Record Updated | Jun 9, 2020 |
| Title Company | ATTORNEY ONLY |
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 18802 MOUNT JASPER DR CASTRO VALLEY CA 945521938, CASTRO VALLEY, CA 94552-1938 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Apr 9, 2019 |
| Property Address | 18802 MOUNT JASPER DR, CASTRO VALLEY, CA 94552-1938 |
| Document Number | 0000063019 |
| Instrument Date | Mar 27, 2019 |
| Instrument | 63019 |
| Transaction Type | Transfer |
| Record Updated | Apr 25, 2019 |
| Title Company | ATTORNEY ONLY |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Personal Trust |
| Address | 17225 COLUMBIA DR CASTRO VALLEY CA 945521606, CASTRO VALLEY, CA 94552-1606 |
Source: Alameda County assessment roll, as of July 1, 2025
| Type | Name |
|---|---|
| State | California |
| County | Alameda County |
| Unified School District | Castro Valley Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2025 | $7,808.00 (+4.04%) | $588,053 (+4.04%) Land $176,340 Building $411,713 |
| 2023 | $7,505.00 | $565,224 Land $169,495 Building $395,729 |
Assessed value is set for property tax purposes and is not a market price estimate.
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 63% of the US · lower than 61% of California |
|---|---|
| Wildfire Likelihood | 0.2% annual chance |
| Exposure | Indirect within ember reach |
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 495 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 |
| Etheric Communications, LLC. Fixed Wireless | 250 / 100 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
| AT&T DSL | 100 / 20 |
Search by:
By searching, you agree to: Terms • Privacy • Disclosures