Alameda County property record for 4363 Circle Ave, Castro Valley, CA 94546
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1.5 ba · 1,257 sqft · built 1953 |
| Lot Size | 0.13 acres (5,670 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $580,000 (Jul 2015) |
| Tax Bill | $8,888 (2025) |
| Deeds & Mortgages | Aug 2019 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 84C-674-23 |
| Primary APN | 84C-674-23 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 1,257 sqft Living Area |
| Year Built | Built 1953 |
|---|---|
| Effective Year Built | Effective 1953 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 5,670 sqft (0.13 acres) |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 4363 CIRCLE AVE |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94546-4649 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00011 BLK: 0002 TR: 1162 |
| Legal Tract | 1162 |
| Legal Block | 2 |
| Legal Lot Number | 11 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 2 |
| Census Block | 2003 |
| Census Tract | 430800 |
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 | 4363 CIRCLE AVE, CASTRO VALLEY, CA 94546-4649 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jul 24, 2015 · Amount on Record |
| Deed Sale | Jul 24, 2015 · Amount on Record |
| Prior Sale | Apr 14, 2004 · Amount on Record |
| Deed Document Number | 2015205194 |
| Prior Transfer Date | Feb 26, 1997 |
| Prior Transfer Doc | 0000063475 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 4363 CIRCLE AVE, CASTRO VALLEY, CA 94546-4649 |
| Document Number | 0000179564 |
| Instrument Date | Aug 30, 2019 |
| Transaction Type | Mortgage |
| Record Updated | Oct 2, 2019 |
| Title Company | FIRST AMERICAN TITLE |
| Name | Verified Name |
|---|---|
| Relationship | Community Property |
| Address | 4363 CIRCLE AVE CASTRO VALLEY CA 945464649, CASTRO VALLEY, CA 94546-4649 |
| Document Number | 0000179564 |
|---|---|
| Date | Sep 11, 2019 |
| Instrument | 179564 |
| Name | PROVIDENT CU |
|---|---|
| Type | Credit Union |
| Address | REDWOOD CITY, CA 94065 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 180 Months |
| Due | Sep 10, 2034 |
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 | $693,314 (+0.98%) Land $210,094 Building $490,220 | ||
| 2025 | $8,888.00 (+4%) Homeowner's exemption | $686,585 (+4.04%) Land $205,975 Building $480,610 | |
| 2023 | $8,546.00 Homeowner's exemption | $659,928 Land $197,978 Building $461,950 | $848,610 |
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 |
| Nearby Flood Claims | 1 (1997) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Nov 1997 · river or lake flooding |
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 | Low lower than 80% of the US · lower than 88% of California |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | None beyond 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 777 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 · DSL · Fixed Wireless in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: GeoLinks.
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