Alameda County property record for 3923 Forest Cir, Castro Valley, CA 94546
| Property Type | Townhouse |
|---|---|
| Details | 3 bd · 3.5 ba · 1,577 sqft · built 2009 |
| Lot Size | 0.034 acres (1,500 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $725,000 (Dec 2020) |
| Tax Bill | $10,046 (2025) |
| Deeds & Mortgages | Dec 2020 Sale & Mortgage Dec 2017 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 84C-1071-14 |
| Primary APN | 84C-1071-14 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 5 Rooms |
| Stories | 3 Stories |
| Building Area | 1,577 sqft Living Area |
| Year Built | Built 2009 |
|---|---|
| Effective Year Built | Effective 2009 |
| Architectural Style | Custom Design |
| Construction Type | Wood |
| Lot Area | 1,500 sqft (0.034 acres) |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 3923 FOREST CIR |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94546-4594 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Townhouse |
| Legal Description | LOT: 00011 BLK: TR: 7709 |
| Legal Tract | 7709 |
| Legal Lot Number | 11 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 4 |
| Census Block | 4001 |
| Census Tract | 430800 |
3923 Forest Cir, a townhouse, is owned and occupied by two individuals who bought it in December 2020.
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 | 3923 FOREST CIR, CASTRO VALLEY, CA 94546-4594 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Dec 2, 2020 | Grant Deed, Transfer · Conventional Mortgage QUICKEN LOANS LLC |
| Dec 15, 2017 | Intrafamily Transfer, Transfer · Conventional Mortgage GENERAL MORTGAGE CAPITAL CORP |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Dec 2, 2020 · Amount on File |
| Deed Sale | Dec 2, 2020 · Amount on File |
| Prior Sale | Dec 11, 2009 · Amount on File |
| Deed Document Number | 2020332568 |
| Prior Transfer Date | Dec 8, 2017 |
| Prior Transfer Doc | 0000276619 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Dec 2, 2020 |
| Property Address | 3923 FOREST CIR, CASTRO VALLEY, CA 94546-4594 |
| Document Number | 0000332568 |
| Map Reference | MB 301 PG 70 |
| Instrument Date | Nov 25, 2020 |
| Instrument | 2020332568 |
| 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 | $797.50 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property with Right of Survivorship |
| Address | 3923 FOREST CIR, CASTRO VALLEY, CA 94546-4594 |
| Document Number | 0000332569 |
|---|---|
| Date | Dec 2, 2020 |
| Instrument | 2020332569 |
| Name | QUICKEN LOANS LLC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Dec 1, 2050 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Dec 15, 2017 |
| Property Address | 3923 FOREST CIR, CASTRO VALLEY, CA 94546-4594 |
| Document Number | 0000276619 |
| Map Reference | MB 301 PG 70 |
| Instrument Date | Dec 8, 2017 |
| Instrument | 2017276619 |
| Transaction Type | Transfer |
| Record Updated | Aug 19, 2021 |
| Title Company | OLD REPUBLIC TITLE COMPANY |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 3923 FOREST CIR, CASTRO VALLEY, CA 94546-4594 |
| Document Number | 0000276620 |
|---|---|
| Date | Dec 15, 2017 |
| Instrument | 2017276620 |
| Name | GENERAL MORTGAGE CAPITAL CORP |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Jan 1, 2048 |
The 2025 property tax bill for 3923 Forest Cir was $10,046 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 | $793,443 (+1.11%) Land $240,133 Building $560,310 | ||
| 2025 | $10,046.00 Homeowner's exemption | $784,754 Land $235,426 Building $549,328 | |
| 2023 | $9,666.00 Homeowner's exemption | $754,290 Land $226,287 Building $528,003 | $799,470 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 3923 Forest Cir in Zone X, an area of minimal flood risk.
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 |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 1 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 3923 Forest Cir 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 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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