Alameda County property record for 21281 Tyee St, Castro Valley, CA 94546
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,185 sqft · built 1947 |
| Lot Size | 0.115 acres (5,000 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $525,000 (Jun 2005) |
| Tax Bill | $8,811 (2025) |
| Deeds & Mortgages | Aug 2026 Line of Credit |
| Flood Zone | Zone X (minimal risk) |
| APN | 415-40-59 |
| Primary APN | 415-40-59 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,185 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1947 |
|---|---|
| Effective Year Built | Effective 1947 |
| Architectural Style | L-Shape |
| Exterior Material | Wood Siding |
| Construction Type | Wood |
| Roof Material | Composition Shingle |
| Lot Area | 5,000 sqft (0.115 acres) |
| Lot Dimensions | 100 ft deep x 50 ft wide |
| Heating System | Floor/Wall Furnace |
|---|---|
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 21281 TYEE ST |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94546-6233 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00011 BLK: 000B TR: 0787 |
| Legal Subdivision | TR 787 |
| Legal Tract | 0787 |
| Legal Block | B |
| Legal Lot Number | 11 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 3 |
| Census Block | 3008 |
| Census Tract | 431200 |
Source: Alameda County records, as of September 28, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on Record |
|---|---|
| Mailing Address | 21281 TYEE ST, CASTRO VALLEY, CA 94546-6233 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jun 13, 2005 · Amount on Record |
| Deed Sale | Jun 13, 2005 · Amount on Record |
| Prior Sale | Nov 9, 2004 · Amount on Record |
| Deed Document Number | 2005239932 |
| Prior Transfer Date | Apr 25, 1994 |
| Prior Transfer Doc | 0000174601 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Aug 7, 2026 |
| Property Address | 21281 TYEE ST, CASTRO VALLEY, CA 94546-6233 |
| Document Number | 0000102428 |
| Instrument Date | Jul 16, 2026 |
| Instrument | 2026102428 |
| Transaction Type | Mortgage |
| Record Updated | Sep 28, 2026 |
| Title Company | NONE LISTED ON DOCUMENT |
| Name | Verified Name |
|---|---|
| Address | 21281 TYEE ST, CASTRO VALLEY, CA 94546-6233 |
| Document Number | 0000102428, |
|---|---|
| Date | Aug 7, 2026 |
| Instrument | 2026102428 |
| Name | EAST WEST BANK |
|---|
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 83 Months |
| Due | Jul 16, 2033 |
| Max Rate | -1% |
|---|
Source: Alameda County assessment roll, as of August 5, 2026
| Type | Name |
|---|---|
| State | California |
| County | Alameda County |
| Unified School District | Hayward Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $671,728 (+2%) Land $201,518 Building $470,210 | ||
| 2025 | $8,811.00 (+4.4%) | $658,560 (+4.04%) Land $197,568 Building $460,992 | |
| 2023 | $8,440.00 | $632,993 Land $189,898 Building $443,095 | $827,460 |
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 |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 100 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on Record median of 31 policies |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 31 in force |
| Nearby Flood Claims | 1 (2022) |
| 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 | Not rated no burnable land 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 459 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Sonic Telecom Fiber | 10,000 / 10,000 |
| AT&T Fiber · Fixed Wireless, DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| Etheric Networks Fixed Wireless | 250 / 100 |
May also be available: GeoLinks, T-Mobile, Verizon.
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