Alameda County property record for 17455 Mayflower Dr, Castro Valley, CA 94546
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.5 ba · 1,504 sqft · built 1958 |
| Lot Size | 0.159 acres (6,912 sqft) |
| Owner | 2 Company Names on File |
| Tax Bill | $2,674 (2025) |
| Deeds & Mortgages | Jun 2026 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 84D-1102-33 |
| Primary APN | 84D-1102-33 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 1,504 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1958 |
|---|---|
| Effective Year Built | Effective 1959 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 6,912 sqft (0.159 acres) |
| Lot Dimensions | 105 ft deep x 64 ft wide |
| Heating System | Forced Air with A/C |
|---|
| Street Address | 17455 MAYFLOWER DR |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94546-1132 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00012 BLK: 0003 TR: 1763 |
| Legal Subdivision | 38 57 |
| Legal Tract | 1763 |
| Legal Block | 3 |
| Legal Lot Number | 12 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 1 |
| Census Block | 1000 |
| Census Tract | 430400 |
Source: Alameda County records · APN 84D-1102-33
Assessment roll updated August 5, 2026 · Last verified August 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Company Names on File |
|---|---|
| Mailing Address | 17455 MAYFLOWER DR, CASTRO VALLEY, CA 94546-1132 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust, Revocable Trust |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Transfer Date | Sep 10, 2014 |
| Transfer Doc | 0000227753 |
| Record Updated | Sep 20, 2026 |
| Document Type | Affidavit of Death of Trustee |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Jun 03, 2026 |
| Property Address | 17455 MAYFLOWER DR, CASTRO VALLEY, CA 94546-1132 |
| Document Number | 0000073337 |
| Instrument Date | May 27, 2026 |
| Instrument | 202673337 |
| Transaction Type | Transfer |
| Record Updated | Jul 20, 2026 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Full Amount Stated |
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 17455 MAYFLOWER DR, CASTRO VALLEY, CA 94546-1132 |
Source: Alameda County records · Assessment roll updated August 5, 2026 · Last verified August 2026
| Type | Name |
|---|---|
| State | California |
| County | Alameda County |
| Unified School District | Castro Valley Unified School District (KG - 12) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $155,998 (+2%) Land $79,321 Building $76,677 | ||
| 2025 | $2,674.00 (+5.28%) | $152,940 (+4.04%) Land $77,766 Building $75,174 | |
| 2023 | $2,540.00 | $147,001 Land $74,746 Building $72,255 | $1,116,090 |
Source: FEMA National Flood Hazard Layer, Alameda County (06001C), updated May 25, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| 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 are read at the parcel center point; lenders make the official flood determination.
Source: FCC Broadband Data Collection, availability as of December 31, 2025 · sampled at 312 locations within half a mile · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless · DSL · Fiber in parts of the area | 100 / 20 |
May also be available: California Internet, Etheric Communications, LLC., Sonic Telecom, Unwired.
Source: EPA Safe Drinking Water Information System via ECHO, 2026 Q3 · EPA community water system boundaries v3.0, March 2026 · Last verified October 2026
| Water System | EAST BAY MUD serves 1,468,000 people |
|---|---|
| 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 as reported to EPA, 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. The full violation and enforcement history is in the system's EPA record.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures