Alameda County property record for 4345 Gregory St, Castro Valley, CA 94546
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,745 sqft · built 1962 |
| Lot Size | 0.153 acres (6,664 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $710,000 (Sep 2017) |
| Tax Bill | $10,319 (2025) |
| Deeds & Mortgages | Nov 2020 Mortgage Sep 2017 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 84C-695-17 |
| Primary APN | 84C-695-17 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,745 sqft Living Area |
| Year Built | Built 1962 |
|---|---|
| Effective Year Built | Effective 1963 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 6,664 sqft (0.153 acres) |
| Street Address | 4345 GREGORY ST |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94546-3606 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00001 BLK: 000A TR: 2388 |
| Legal Subdivision | TRACT 2388 |
| Legal Tract | 2388 |
| Legal Block | A |
| Legal Lot Number | 1 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 2 |
| Census Block | 2001 |
| Census Tract | 430800 |
4345 Gregory St is owned and occupied by two individuals who bought it in September 2017.
Source: Alameda County records, as of August 5, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 4345 GREGORY ST, CASTRO VALLEY, CA 94546-3606 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
| Date | Document |
|---|---|
| Nov 18, 2020 | Deed of Trust, Mortgage · Conventional Mortgage PENNYMAC LOAN SERVICES LLC |
| Sep 29, 2017 | Grant Deed, Transfer · Conventional Mortgage CROSSCOUNTRY MORTGAGE INC |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Sep 29, 2017 · Amount on File |
| Deed Sale | Sep 29, 2017 · Amount on File |
| Deed Document Number | 2017215107 |
| Prior Transfer Date | Mar 4, 2013 |
| Prior Transfer Doc | 0000124224 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 4345 GREGORY ST, CASTRO VALLEY, CA 94546-3606 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Title Company | FIDELITY NATIONAL TITLE |
| Name | Verified Name |
|---|---|
| Address | 4345 GREGORY ST, CASTRO VALLEY, CA 94546-3606 |
| Document Number | 0000315960 |
|---|---|
| Date | Nov 18, 2020 |
| Instrument | 2020315960 |
| Name | PENNYMAC LOAN SERVICES LLC |
|---|---|
| Type | Mortgage Company |
| Address | WESTLAKE VILLAGE, CA 91361 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Dec 1, 2050 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Sep 29, 2017 |
| Property Address | 4345 GREGORY ST, CASTRO VALLEY, CA 94546-3606 |
| Document Number | 0000215107 |
| Map Reference | MAP45 PG67 |
| Instrument Date | Sep 20, 2017 |
| Instrument | 2017215107 |
| Transaction Type | Transfer |
| Record Updated | Aug 19, 2021 |
| Title Company | FIRST AMERICAN TITLE COMPANY |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property with Right of Survivorship |
| Address | 4345 GREGORY ST, CASTRO VALLEY, CA 94546-3606 |
| Document Number | 0000215108 |
|---|---|
| Date | Sep 29, 2017 |
| Instrument | 2017215108 |
| Name | CROSSCOUNTRY MORTGAGE INC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Oct 1, 2047 |
The 2025 property tax bill for 4345 Gregory St was $10,319 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 | $816,997 (+1.13%) Land $247,199 Building $576,798 | ||
| 2025 | $10,319.00 Homeowner's exemption | $807,844 Land $242,353 Building $565,491 | |
| 2023 | $9,929.00 Homeowner's exemption | $776,477 Land $232,943 Building $543,534 | $979,920 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 4345 Gregory St in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 1997.
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.
Wildfire risk around 4345 Gregory St 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 804 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 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Etheric Networks, GeoLinks.
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