Alameda County property record for 16752 Columbia Dr, Castro Valley, CA 94552
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 2,262 sqft · built 1988 |
| Lot Size | 0.172 acres (7,500 sqft) |
| Owner | 2 Company Names on Record |
| Last Sale | $1,545,000 (May 2025) |
| Tax Bill | $13,185 (2025) |
| Deeds & Mortgages | Sep 2020 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 85-6315-13 |
| Primary APN | 85-6315-13 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 9 Rooms |
| Stories | 1 Story |
| Building Area | 2,262 sqft Living Area |
| Year Built | Built 1988 |
|---|---|
| Effective Year Built | Effective 1988 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 7,500 sqft (0.172 acres) |
| Street Address | 16752 COLUMBIA DR |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94552-1649 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00017 BLK: TR: 5204 |
| Legal Subdivision | TRACT 5204 |
| Legal Tract | 5204 |
| Legal Lot Number | 17 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 1 |
| Census Block | 1001 |
| Census Tract | 430200 |
Source: Alameda County records, as of August 26, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Company Names on Record |
|---|---|
| Mailing Address | 16752 COLUMBIA DR, CASTRO VALLEY, CA 94552-1649 |
| Owner Type | Company |
| Vesting | Life Tenant |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | May 30, 2025 · Amount on Record |
| Deed Sale | May 30, 2025 · Amount on Record |
| Prior Sale | Jul 6, 2007 · Amount on Record |
| Deed Document Number | 202570121 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 16752 COLUMBIA DR, CASTRO VALLEY, CA 94552-1649 |
| Document Number | 0000262051 |
| Instrument Date | Sep 15, 2020 |
| Transaction Type | Mortgage |
| Record Updated | Dec 23, 2020 |
| Title Company | STEWART TITLE, STEWART TITLE GUARANTY CO |
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants with Right of Survivorship |
| Address | 16752 COLUMBIA DR CASTRO VALLEY CA 945521649, CASTRO VALLEY, CA 94552-1649 |
| Document Number | 0000262051 |
|---|---|
| Date | Oct 6, 2020 |
| Instrument | 262051 |
| Name | HOMEPLUS CORP |
|---|---|
| Address | SAN DIEGO, CA 92108 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Oct 5, 2050 |
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 | $678,550 (-35.42%) Land $203,565 Building $474,985 | ||
| 2025 | $13,185.00 (+3.81%) Homeowner's exemption | $1,050,743 (+4.04%) Land $315,223 Building $735,520 | |
| 2023 | $12,701.00 Homeowner's exemption | $1,009,951 Land $302,985 Building $706,966 | $1,481,490 |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
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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