Alameda County property record for 19181 Masterson Pl, Castro Valley, CA 94552
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 1,956 sqft · built 1985 |
| Lot Size | 0.172 acres (7,475 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $5,325 (2025) |
| Deeds & Mortgages | Mar 2020 Line of Credit |
| Flood Zone | Zone X (minimal risk) |
| APN | 85A-6404-67 |
| Primary APN | 85A-6404-67 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 1,956 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1985 |
|---|---|
| Effective Year Built | Effective 1985 |
| Architectural Style | L-Shape |
| Exterior Material | Stucco |
| Construction Type | Wood |
| Roof Material | Wood Shingle |
| Lot Area | 7,475 sqft (0.172 acres) |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 19181 MASTERSON PL |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94552-5085 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1 |
| Legal Description | LOT: 00093 BLK: TR: 4468 |
| Legal Subdivision | TR 4468 |
| Legal Tract | 4468 |
| Legal Lot Number | 93 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 3 |
| Census Block | 3003 |
| Census Tract | 430101 |
19181 Masterson Pl is owned and occupied by two individuals who acquired it in January 2013.
Source: Alameda County records, as of August 5, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 19181 MASTERSON PL, CASTRO VALLEY, CA 94552-5085 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Single Person |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | Jan 29, 2013 |
| Transfer Doc | 0000149125 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 19181 MASTERSON PL, CASTRO VALLEY, CA 94552-5085 |
| Document Number | 0000096370 |
| Instrument Date | Mar 31, 2020 |
| Transaction Type | Mortgage |
| Record Updated | Jun 17, 2020 |
| Title Company | TITLE365 - OMAHA |
| Name | Verified Name |
|---|---|
| Relationship | Married Couple |
| Address | 19181 MASTERSON PL CASTRO VALLEY CA 945525085, CASTRO VALLEY, CA 94552-5085 |
| Document Number | 0000096370 |
|---|---|
| Date | Apr 27, 2020 |
| Instrument | 96370 |
| Name | TRUIST BK |
|---|---|
| Address | ATLANTA, GA 30328 |
| Type | Line of Credit |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Apr 26, 2050 |
| Rate Type | Adjustable Rate |
|---|
The 2025 property tax bill for 19181 Masterson Pl was $5,325.
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 | $385,149 (+2%) Land $154,076 Building $231,073 | ||
| 2025 | $5,325.00 | $377,597 Land $151,055 Building $226,542 | |
| 2023 | $5,103.00 | $362,937 Land $145,190 Building $217,747 | $1,339,830 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 19181 Masterson Pl in Zone X, an area of minimal flood risk, though there have been 2 flood claims nearby since 2017.
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.
Wildfire risk around 19181 Masterson Pl is high, ranking above 76% of the US, with a 0.5% annual chance of wildfire.
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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