Alameda County property record for 4334 Heyer Ave, Castro Valley, CA 94546
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.5 ba · 2,084 sqft · built 1942 |
| Lot Size | 0.409 acres (17,822 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $850,000 (Nov 2004) |
| Tax Bill | $14,804 (2025) |
| Deeds & Mortgages | Mar 2019 Line of Credit Jan 2017 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 84C-783-9-2 |
| Primary APN | 84C-783-9-2 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 2,084 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1942 |
|---|---|
| Effective Year Built | Effective 2000 |
| Architectural Style | Custom Design |
| Construction Type | Wood |
| Lot Area | 17,822 sqft (0.409 acres) |
| Parking Spaces | 1 Parking Space |
| Street Address | 4334 HEYER AVE |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94546-3510 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00002 BLK: 0009 AR: 084C PAGE: 0783 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 3 |
| Census Block | 3005 |
| Census Tract | 430200 |
4334 Heyer Ave is owned and occupied by two individuals who acquired it in December 2016.
Source: Alameda County records, as of August 5, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 4334 HEYER AVE, CASTRO VALLEY, CA 94546-3510 |
| 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.
| Date | Document |
|---|---|
| Mar 13, 2019 | Deed of Trust, Mortgage · Line of Credit JPMORGAN CHASE BANK NA |
| Jan 12, 2017 | Quit Claim Deed, Transfer · Conventional Mortgage GREENLIGHT LOANS |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Nov 9, 2004 · Amount on File |
| Deed Sale | Nov 9, 2004 · Amount on File |
| Deed Document Number | 2004501129 |
| Last Transfer Date | Dec 3, 2016 |
| Transfer Doc | 0000009560 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 4334 HEYER AVE, CASTRO VALLEY, CA 94546-3510 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Name | Verified Name |
|---|
| Document Number | 0000045770 |
|---|---|
| Date | Mar 13, 2019 |
| Instrument | 2019045770 |
| Name | JPMORGAN CHASE BANK NA |
|---|---|
| Type | Bank |
| Address | COLUMBUS, OH 43240 |
| Type | Line of Credit |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Mar 10, 2049 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Jan 12, 2017 |
| Property Address | 4334 HEYER AVE, CASTRO VALLEY, CA 94546-3510 |
| Document Number | 0000009560 |
| Instrument Date | Dec 3, 2016 |
| Instrument | 9560 |
| Transaction Type | Transfer |
| Record Updated | Feb 6, 2017 |
| Title Company | WFG LENDER SERVICES, WFG LENDER SVCS |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property |
| Address | 4334 HEYER AVE CASTRO VALLEY CA 945463510, CASTRO VALLEY, CA 94546-3510 |
| Document Number | 9561 |
|---|---|
| Date | Jan 12, 2017 |
| Instrument | 9561 |
| Name | GREENLIGHT LOANS |
|---|---|
| Type | Funding / Finance Company |
| Address | DALLAS, TX 75019 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 180 Months |
| Due | Jan 11, 2032 |
The 2025 property tax bill for 4334 Heyer Ave was $14,804 with a homeowner's exemption, up 2.2% from the year before.
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 | $1,204,649 (+2.01%) Land $362,520 Building $849,129 | ||
| 2025 | $14,804.00 (+2.22%) Homeowner's exemption | $1,180,895 Land $355,413 Building $832,482 | |
| 2024 | $14,483.00 (+1.52%) | ||
| 2023 | $14,266.00 Homeowner's exemption | $1,141,778 Land $341,615 Building $800,163 | $1,365,030 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 4334 Heyer Ave in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
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 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 3 in force |
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 4334 Heyer Ave is low, with a 0.01% annual chance of wildfire.
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 724 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 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: Etheric Networks, GeoLinks, T-Mobile.
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