Alameda County property record for 19073 Masterson Pl, Castro Valley, CA 94552
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.5 ba · 1,840 sqft · built 1985 |
| Lot Size | 0.14 acres (6,100 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $1,305,000 (May 2021) |
| Tax Bill | $17,537 (2025) |
| Deeds & Mortgages | May 2021 Sale & Mortgage Nov 2017 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 85A-6404-70 |
| Primary APN | 85A-6404-70 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 7 Rooms |
| Stories | 2 Stories |
| Building Area | 1,840 sqft Living Area |
| Year Built | Built 1985 |
|---|---|
| Effective Year Built | Effective 1985 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 6,100 sqft (0.14 acres) |
| Street Address | 19073 MASTERSON PL |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94552-5085 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00096 BLK: TR: 4468 |
| Legal Tract | 4468 |
| Legal Lot Number | 96 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 3 |
| Census Block | 3003 |
| Census Tract | 430101 |
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 | 19073 MASTERSON PL, CASTRO VALLEY, CA 94552-5085 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
| Date | Document |
|---|---|
| May 24, 2021 | Grant Deed, Transfer · Conventional Mortgage JPMORGAN CHASE BANK NA |
| Nov 30, 2017 | Deed of Trust, Mortgage ATTORNEY ONLY |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | May 24, 2021 · Amount on Record |
| Deed Sale | May 24, 2021 · Amount on Record |
| Prior Sale | May 4, 1998 · Amount on Record |
| Deed Document Number | 2021194065 |
| Prior Transfer Date | Feb 9, 2012 |
| Prior Transfer Doc | 0000095997 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | May 24, 2021 |
| Property Address | 19073 MASTERSON PL, CASTRO VALLEY, CA 94552-5085 |
| Document Number | 0000194065 |
| Map Reference | MB 117 PG 1-14 |
| Instrument Date | May 12, 2021 |
| Instrument | 2021194065 |
| Transaction Type | Transfer |
| Record Updated | Jun 10, 2021 |
| Title Company | CHICAGO TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $1,435.50 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property with Right of Survivorship |
| Address | 38817 STILLWATER CMN, FREMONT, CA 94536-4280 |
| Document Number | 0000194066 |
|---|---|
| Date | May 24, 2021 |
| Instrument | 2021194066 |
| Name | JPMORGAN CHASE BANK NA |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jun 1, 2051 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 19073 MASTERSON PL, CASTRO VALLEY, CA 94552-5085 |
| Document Number | 0000018360 |
| Instrument Date | Nov 30, 2017 |
| Transaction Type | Mortgage |
| Record Updated | Feb 13, 2018 |
| Title Company | ATTORNEY ONLY |
| Name | Verified Name |
|---|---|
| Relationship | Separate Estate/Property |
| Address | 6252 CALLE MONTALVO CIR GRANITE BAY CA 957465841, GRANITE BAY, CA 95746-5841 |
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 | $1,440,797 (+2%) Land $432,239 Building $1,008,558 | ||
| 2025 | $17,537.00 (+3.7%) | $1,412,557 (+4.04%) Land $423,767 Building $988,790 | |
| 2023 | $16,912.00 | $1,357,721 Land $407,316 Building $950,405 | $1,337,940 |
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 · 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 | 2 in force |
| Nearby Flood Claims | 2 (2017–2022) |
| Claims Outside the SFHA | 2 of 2 |
| Most Recent Claim | Dec 2022 · Severe Winter Storms, Flooding, Landslides, And Mudslides |
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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | High above 76% of the US · above 52% of California |
|---|---|
| Wildfire Likelihood | 0.5% 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 411 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 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL | 100 / 20 |
May also be available: Etheric Networks.
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