Alameda County property record for 3903 Forest Cir, Castro Valley, CA 94546
| Property Type | Townhouse |
|---|---|
| Details | 2 bd · 2.5 ba · 1,212 sqft · built 2009 |
| Lot Size | 0.051 acres (2,232 sqft) |
| Owner | Company Name on Record |
| Last Sale | $455,000 (Sep 2014) |
| Tax Bill | $7,321 (2025) |
| Deeds & Mortgages | Jan 2024 Transfer |
| Flood Zone | Zone X (moderate risk) |
| APN | 84C-1071-5 |
| Primary APN | 84C-1071-5 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 5 Rooms |
| Stories | 2 Stories |
| Building Area | 1,212 sqft Living Area |
| Year Built | Built 2009 |
|---|---|
| Effective Year Built | Effective 2009 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 2,232 sqft (0.051 acres) |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 3903 FOREST CIR |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94546-4594 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Townhouse |
| Legal Description | LOT: 00002 BLK: TR: 7709 |
| Legal Subdivision | TRACT 7709 FILED OCTOBER 9 2007 |
| Legal Tract | 7709 |
| Legal Lot Number | 2 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 4 |
| Census Block | 4001 |
| 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 | Company Name on Record |
|---|---|
| Mailing Address | 18574 MOUNTAIN LN, CASTRO VALLEY, CA 94552-1834 |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Sep 16, 2014 · Amount on Record |
| Deed Sale | Sep 16, 2014 · Amount on Record |
| Prior Sale | Dec 10, 2009 · Amount on Record |
| Deed Document Number | 2014226612 |
| Last Transfer Date | Dec 1, 2022 |
| Transfer Doc | 0000013693 |
| Record Updated | Oct 29, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Jan 26, 2024 |
| Property Address | 3903 FOREST CIR, CASTRO VALLEY, CA 94546-4594 |
| Document Number | 0000013693 |
| Map Reference | MB 301 PG 70 |
| Instrument Date | Dec 1, 2022 |
| Instrument | 2024013693 |
| Transaction Type | Transfer |
| Record Updated | Mar 6, 2024 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 18574 MOUNTAIN LN, CASTRO VALLEY, CA 94552-1834 |
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 | $557,757 (+2%) Land $167,327 Building $390,430 | ||
| 2025 | $7,321.00 (+4.08%) | $546,823 (+4.04%) Land $164,047 Building $382,776 | |
| 2023 | $7,034.00 | $525,592 Land $157,677 Building $367,915 | $714,330 |
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 moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 94% of the US · lower than 96% of California |
|---|---|
| Wildfire Likelihood | Under 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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