Alameda County property record for 20153 Forest Ave, Apt 10, Castro Valley, CA 94546
| Property Type | Condominium |
|---|---|
| Details | 2 bd · 2.5 ba · 1,044 sqft · built 1986 |
| Lot Size | 0.591 acres (25,722 sqft) |
| Owner | Individual Name on File |
| Last Sale | $670,000 (Aug 2022) |
| Tax Bill | $9,052 (2025) |
| Deeds & Mortgages | Aug 2022 Sale Aug 2022 Transfer + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 84C-726-85 |
| Primary APN | 84C-726-85 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 4 Rooms |
| Stories | 2 Stories |
| Building Area | 1,044 sqft Living Area |
| Year Built | Built 1986 |
|---|---|
| Effective Year Built | Effective 1986 |
| Construction Type | Wood |
| Lot Area | 25,722 sqft (0.591 acres) |
| View / Lot | Average |
| Garage Type | Carport |
| Carport | Carport |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 20153 FOREST AVE, 10 |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94546-4573 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Condominium |
| Legal Description | TR: 6456 LOT: BLDG: UNIT:10 |
| Legal Subdivision | MID FOREST |
| Legal Tract | 6456 |
| Legal Lot Number | 1 |
| Legal Unit | 10 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 4 |
| Census Block | 4002 |
| Census Tract | 430800 |
20153 Forest Ave, Apt 10 is owned and occupied by an individual who bought it in August 2022.
Source: Alameda County records, as of August 5, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 20153 FOREST AVE, 10, CASTRO VALLEY, CA 94546-4573 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
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 |
|---|---|
| Aug 12, 2022 | Grant Deed, Transfer FIRSTAMERICAN TITLE COMPANY, FIRST AMERICAN TITLE COMPANY |
| Aug 12, 2022 | Intrafamily Transfer, Transfer FIRST AMERICAN TITLE COMPANY |
| Jun 4, 2021 | Intrafamily Transfer, Transfer |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Aug 12, 2022 · Amount on File |
| Deed Sale | Aug 12, 2022 · Amount on File |
| Prior Sale | Jun 30, 2000 · Amount on File |
| Deed Document Number | 2022142052 |
| Prior Transfer Date | May 19, 2021 |
| Prior Transfer Doc | 0000206355 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Aug 12, 2022 |
| Property Address | 20153 FOREST AVE APT 10, 10, CASTRO VALLEY, CA 94546-4573 |
| Document Number | 0000142052 |
| Map Reference | MB 203 PG 34&35 |
| Instrument Date | Aug 4, 2022 |
| Instrument | 2022142052 |
| Transaction Type | Transfer |
| Record Updated | Oct 20, 2022 |
| Title Company | FIRSTAMERICAN TITLE COMPANY, FIRST AMERICAN TITLE COMPANY |
| Amount | Amount on Record |
|---|---|
| Tax | $0.00 |
| Amount Accuracy | Calculated from Transfer Tax |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 18427 CLIFTON WAY, CASTRO VALLEY, CA 94546-2019 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Aug 12, 2022 |
| Property Address | 20153 FOREST AVE APT 10, 10, CASTRO VALLEY, CA 94546-4573 |
| Document Number | 0000142051 |
| Map Reference | MB 203 PG 34 |
| Instrument Date | Jul 22, 2022 |
| Instrument | 2022142051 |
| Transaction Type | Transfer |
| Record Updated | Jun 7, 2023 |
| Title Company | FIRST AMERICAN TITLE COMPANY |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Living Trust |
| Address | 181 ADA AVE APT 47, 47, MOUNTAIN VIEW, CA 94043-4903 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Jun 4, 2021 |
| Property Address | 20153 FOREST AVE APT 10, 10, CASTRO VALLEY, CA 94546-4573 |
| Document Number | 0000206355 |
| Map Reference | MB 203 PG 34&35 |
| Instrument Date | May 19, 2021 |
| Instrument | 2021206355 |
| Transaction Type | Transfer |
| Record Updated | Jun 7, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Living Trust |
| Address | 181 ADA AVE APT 47, 47, MOUNTAIN VIEW, CA 94043-4903 |
The 2025 property tax bill for 20153 Forest Ave, Apt 10 was $9,052 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 | $653,000 (-6.32%) Land $198,000 Building $462,000 | ||
| 2025 | $9,052.00 Homeowner's exemption | $697,068 Land $213,282 Building $483,786 | |
| 2023 | $8,722.00 | $670,000 Land $205,000 Building $465,000 | $589,500 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 20153 Forest Ave, Apt 10 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 | 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 20153 Forest Ave, Apt 10 is low, with less than 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 93% 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 704 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 |
| Starlink Satellite | 280 / 30 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: GeoLinks.
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