Alameda County property record for 17529 Mayflower Dr, Castro Valley, CA 94546
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 2,486 sqft · built 1958 |
| Lot Size | 0.285 acres (12,425 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $1,550,000 (Jul 2021) |
| Tax Bill | $17,637 (2025) |
| Deeds & Mortgages | Jul 2021 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 84D-1102-37 |
| Primary APN | 84D-1102-37 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 7 Rooms |
| Stories | 2 Stories |
| Building Area | 2,486 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1958 |
|---|---|
| Effective Year Built | Effective 1959 |
| Architectural Style | L-Shape |
| Exterior Material | Stucco |
| Construction Type | Wood |
| Roof Material | Wood Shingle |
| Lot Area | 12,425 sqft (0.285 acres) |
| Heating System | Forced Air with A/C |
|---|---|
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 17529 MAYFLOWER DR |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94546-1134 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1 |
| Legal Description | LOT: 00016 BLK: 0003 TR: 1763 |
| Legal Tract | 1763 |
| Legal Block | 3 |
| Legal Lot Number | 16 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 1 |
| Census Block | 1000 |
| Census Tract | 430400 |
17529 Mayflower Dr is owned and occupied by two individuals who bought it in July 2021.
Source: Alameda County records, as of October 12, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 17529 MAYFLOWER DR, CASTRO VALLEY, CA 94546-1134 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jul 15, 2021 · Amount on File |
| Deed Sale | Jul 15, 2021 · Amount on File |
| Deed Document Number | 2021247199 |
| Prior Transfer Date | Apr 26, 2021 |
| Prior Transfer Doc | 0000170901 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Jul 15, 2021 |
| Property Address | 17529 MAYFLOWER DR, CASTRO VALLEY, CA 94546-1134 |
| Document Number | 0000247199 |
| Map Reference | MB 38 PG 57&58 |
| Instrument Date | Jul 1, 2021 |
| Instrument | 2021247199 |
| Transaction Type | Transfer |
| Record Updated | Aug 4, 2021 |
| Title Company | NORTH AMERICAN TITLE COMPANY, NORTH AMERICAN TITLE CO INC |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $1,705.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property with Right of Survivorship |
| Address | 17529 MAYFLOWER DR, CASTRO VALLEY, CA 94546-1134 |
| Document Number | 0000247200 |
|---|---|
| Date | Jul 15, 2021 |
| Instrument | 2021247200 |
| Name | PNC BANK NA |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Aug 1, 2051 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 2.25% |
| Type Change Date | Aug 1, 2028 |
| Change Frequency | 6 Months |
| Min Rate At Change | 3% |
| Max Rate At Change | 7.25% |
| Index | Other |
| Margin | 3 |
| Max Rate | 7.25% |
The 2025 property tax bill for 17529 Mayflower Dr was $17,637 with a homeowner's exemption.
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 | $1,458,000 (+2.6%) Land $439,500 Building $1,025,500 | ||
| 2025 | $17,637.00 Homeowner's exemption | $1,421,000 Land $428,400 Building $999,600 | |
| 2023 | $19,480.00 Homeowner's exemption | $1,581,000 Land $474,300 Building $1,106,700 | $1,529,730 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 17529 Mayflower Dr in Zone X, an area of minimal flood risk.
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.
Wildfire risk around 17529 Mayflower Dr is moderate, ranking above 40% of the US, with a 0.07% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 40% of the US · lower than 76% of California |
|---|---|
| Wildfire Likelihood | 0.07% annual chance |
| Exposure | Indirect within ember reach |
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 312 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 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless · DSL · Fiber in parts of the area | 100 / 20 |
May also be available: Etheric Networks, GeoLinks, Sonic Telecom, Unwired.
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