Alameda County property record for 16760 Columbia Dr, Castro Valley, CA 94552
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.5 ba · 2,098 sqft · built 1988 |
| Lot Size | 0.168 acres (7,300 sqft) |
| Owner | Company Name on Record |
| Last Sale | $640,000 (Aug 2009) |
| Tax Bill | $10,534 (2025) |
| Deeds & Mortgages | Mar 2021 Mortgage Oct 2020 Mortgage + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 85-6315-12 |
| Primary APN | 85-6315-12 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 2,098 sqft Living Area |
| Year Built | Built 1988 |
|---|---|
| Effective Year Built | Effective 1988 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 7,300 sqft (0.168 acres) |
| Street Address | 16760 COLUMBIA DR |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94552-1649 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00016 BLK: TR: 5204 |
| Legal Subdivision | TRACT 5204 |
| Legal Tract | 5204 |
| Legal Lot Number | 16 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 1 |
| Census Block | 1001 |
| Census Tract | 430200 |
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 | 16760 COLUMBIA DR, CASTRO VALLEY, CA 94552-1649 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Date | Document |
|---|---|
| Mar 22, 2021 | Deed of Trust, Mortgage · Conventional Mortgage GOOGAIN INC |
| Oct 6, 2020 | Deed of Trust, Mortgage · Conventional Mortgage GOOGAIN INC |
| Nov 13, 2020 | Deed of Trust, Mortgage · Line of Credit FIRST REPUBLIC BANK |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Aug 21, 2009 · Amount on Record |
| Deed Sale | Aug 21, 2009 · Amount on Record |
| Deed Document Number | 2009275048 |
| Last Transfer Date | Apr 9, 2016 |
| Transfer Doc | 0000100773 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 16760 COLUMBIA DR, CASTRO VALLEY, CA 94552-1649 |
| Transaction Type | Mortgage |
| Record Updated | Apr 14, 2021 |
| Title Company | OLD REPUBLIC TITLE |
| Name | Verified Name |
|---|---|
| Address | 16760 COLUMBIA DR, CASTRO VALLEY, CA 94552-1649 |
| Document Number | 0000114706 |
|---|---|
| Date | Mar 22, 2021 |
| Instrument | 2021114706 |
| Name | GOOGAIN INC |
|---|---|
| Type | Mortgage Company |
| Address | SUNNYVALE, CA 94086 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 181 Months |
| Due | Apr 1, 2036 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 16760 COLUMBIA DR, CASTRO VALLEY, CA 94552-1649 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Title Company | FIRST AMERICAN TITLE |
| Name | Verified Name |
|---|---|
| Address | 16760 COLUMBIA DR, CASTRO VALLEY, CA 94552-1649 |
| Document Number | 0000262954 |
|---|---|
| Date | Oct 6, 2020 |
| Instrument | 2020262954 |
| Name | GOOGAIN INC |
|---|---|
| Type | Mortgage Company |
| Address | SUNNYVALE, CA 94086 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 188 Months |
| Due | Jun 1, 2036 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 16760 COLUMBIA DR, CASTRO VALLEY, CA 94552-1649 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Title Company | NORTH AMERICAN TITLE |
| Name | Verified Name |
|---|---|
| Address | 16760 COLUMBIA DR, CASTRO VALLEY, CA 94552-1649 |
| Document Number | 0000308776 |
|---|---|
| Date | Nov 13, 2020 |
| Instrument | 2020308776 |
| Name | FIRST REPUBLIC BANK |
|---|---|
| Type | Bank |
| Address | SAN FRANCISCO, CA 94111 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 299 Months |
| Due | Oct 26, 2045 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
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 | $835,584 (+1.15%) Land $252,775 Building $589,809 | ||
| 2025 | $10,534.00 (+3.92%) Homeowner's exemption | $826,067 (+4.04%) Land $247,820 Building $578,247 | |
| 2023 | $10,137.00 Homeowner's exemption | $793,996 Land $238,199 Building $555,797 | $1,462,140 |
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
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | High above 76% of the US · above 53% of California |
|---|---|
| Wildfire Likelihood | 0.5% annual chance |
| Exposure | Direct burnable vegetation |
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 92 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
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