Alameda County property record for 20400 Summercrest Dr, Castro Valley, CA 94552
| Property Type | Townhouse |
|---|---|
| Details | 3 bd · 2.5 ba · 1,443 sqft · built 1998 |
| Lot Size | 0.042 acres (1,806 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $665,000 (May 2015) |
| Tax Bill | $10,300 (2025) |
| Deeds & Mortgages | Jul 2021 Mortgage Apr 2020 Mortgage + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 85A-6420-20 |
| Primary APN | 85A-6420-20 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 6 Rooms |
| Stories | 2 Stories |
| Building Area | 1,443 sqft Living Area |
| Year Built | Built 1998 |
|---|---|
| Effective Year Built | Effective 1998 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 1,806 sqft (0.042 acres) |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 20400 SUMMERCREST DR |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94552-5336 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Townhouse |
| Legal Description | LOT: 00020 BLK: TR: 6660 |
| Legal Subdivision | TRACT NO 6660 |
| Legal Tract | 6660 |
| Legal Lot Number | 21 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 3 |
| Census Block | 3003 |
| Census Tract | 430101 |
20400 Summercrest Dr, a townhouse, is owned and occupied by two individuals who bought it in May 2015.
Source: Alameda County records, as of August 26, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 20400 SUMMERCREST DR, CASTRO VALLEY, CA 94552-5336 |
| 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 |
|---|---|
| Jul 7, 2021 | Deed of Trust, Mortgage · Conventional Mortgage WINNPOINTE CORPORATION |
| Apr 2, 2020 | Deed of Trust, Mortgage · Conventional Mortgage WINNPOINTE CORPORATION |
| Nov 3, 2020 | Deed of Trust, Mortgage · Conventional Mortgage WINNPOINTE CORPORATION |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | May 29, 2015 · Amount on File |
| Deed Sale | May 29, 2015 · Amount on File |
| Prior Sale | Aug 22, 2003 · Amount on File |
| Deed Document Number | 2015142515 |
| Prior Transfer Date | Apr 21, 2006 |
| Prior Transfer Doc | 0000175674 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 20400 SUMMERCREST DR, CASTRO VALLEY, CA 94552-5336 |
| Transaction Type | Mortgage |
| Record Updated | Jul 23, 2021 |
| Title Company | ORANGE COAST TITLE COMPANY |
| Name | Verified Name |
|---|---|
| Address | 20400 SUMMERCREST DR, CASTRO VALLEY, CA 94552-5336 |
| Document Number | 0000238921 |
|---|---|
| Date | Jul 7, 2021 |
| Instrument | 2021238921 |
| Name | WINNPOINTE CORPORATION |
|---|---|
| Type | Mortgage Company |
| Address | ORANGE, CA 92868 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 180 Months |
| Due | Jul 1, 2036 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 20400 SUMMERCREST DR, CASTRO VALLEY, CA 94552-5336 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Title Company | ORANGE COAST TITLE COMPANY |
| Name | Verified Name |
|---|
| Document Number | 0000073810 |
|---|---|
| Date | Apr 2, 2020 |
| Instrument | 2020073810 |
| Name | WINNPOINTE CORPORATION |
|---|---|
| Type | Mortgage Company |
| Address | ORANGE, CA 92868 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Apr 1, 2050 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 20400 SUMMERCREST DR, CASTRO VALLEY, CA 94552-5336 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Title Company | ORANGE COAST TITLE COMPANY |
| Name | Verified Name |
|---|---|
| Address | 20400 SUMMERCREST DR, CASTRO VALLEY, CA 94552-5336 |
| Document Number | 0000294628 |
|---|---|
| Date | Nov 3, 2020 |
| Instrument | 2020294628 |
| Name | WINNPOINTE CORPORATION |
|---|---|
| Type | Mortgage Company |
| Address | ORANGE, CA 92868 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 240 Months |
| Due | Nov 1, 2040 |
The 2025 property tax bill for 20400 Summercrest Dr was $10,300.
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 | $815,183 (+2%) Land $244,555 Building $570,628 | ||
| 2025 | $10,300.00 | $799,203 Land $239,761 Building $559,442 | |
| 2023 | $9,914.00 | $768,174 Land $230,452 Building $537,722 | $949,680 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 20400 Summercrest Dr in Zone X, an area of minimal flood risk, though there have been 2 flood claims nearby since 2017.
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 | 2 in force |
| Nearby Flood Claims | 2 (2017–2022) |
| Claims Outside the SFHA | 2 of 2 |
| Most Recent Claim | Dec 2022 · Severe Winter Storms, Flooding, Landslides, And Mudslides |
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 20400 Summercrest Dr is high, ranking above 85% of the US, with a 0.8% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | High above 85% of the US · above 65% of California |
|---|---|
| Wildfire Likelihood | 0.8% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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 100 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| AT&T DSL | 100 / 20 |
May also be available: Unwired.
5G (outdoors only) and 4G LTE
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