Alameda County property record for 2015 173rd Ave, Castro Valley, CA 94546
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 1,080 sqft · built 1942 |
| Lot Size | 0.136 acres (5,940 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $3,964 (2025) |
| Deeds & Mortgages | May 2021 Mortgage May 2017 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 80A-235-13 |
| Primary APN | 80A-235-13 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,080 sqft Living Area |
| Year Built | Built 1942 |
|---|---|
| Effective Year Built | Effective 1956 |
| Architectural Style | L-Shape |
| Exterior Material | Wood Siding |
| Construction Type | Wood |
| Roof Material | Wood Shingle |
| Lot Area | 5,940 sqft (0.136 acres) |
| Parking Spaces | 1 Parking Space |
| Cooling System | Wall Unit |
|---|---|
| Heating System | Floor/Wall Furnace |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 2015 173RD AVE |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94546-3809 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00013 BLK: AR: 080A PAGE: 0235 |
| Legal Subdivision | EL PORTAL |
| Legal Lot Number | 457 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 3 |
| Census Block | 3021 |
| Census Tract | 430500 |
2015 173rd Ave is owned and occupied by two individuals who acquired it in May 2011.
Source: Alameda County records, as of August 5, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 2015 173RD AVE, CASTRO VALLEY, CA 94546-3809 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
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 |
|---|---|
| May 25, 2021 | Intrafamily Transfer, Transfer · Conventional Mortgage GLOBAL EQUITY FINANCE INC |
| May 15, 2017 | Deed of Trust, Mortgage · Conventional Mortgage FIRST DIRECT LNDG |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | May 26, 2011 |
| Deed Sale | May 26, 2011 |
| Deed Document Number | 2011155223 |
| Prior Transfer Date | Feb 11, 1994 |
| Prior Transfer Doc | 0000065768 |
| Record Updated | Oct 29, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | May 25, 2021 |
| Property Address | 2015 173RD AVE, CASTRO VALLEY, CA 94546-3809 |
| Document Number | 0000194691 |
| Map Reference | MB 8 PG 76&77 |
| Instrument Date | May 6, 2021 |
| Instrument | 2021194691 |
| Transaction Type | Transfer |
| Record Updated | Jun 16, 2021 |
| Title Company | STEWART TITLE, STEWART TITLE GUARANTY CO |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 2015 173RD AVE, CASTRO VALLEY, CA 94546-3809 |
| Document Number | 0000194692 |
|---|---|
| Date | May 25, 2021 |
| Instrument | 2021194692 |
| Name | GLOBAL EQUITY FINANCE INC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Jun 1, 2051 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 2015 173RD AVE, CASTRO VALLEY, CA 94546-3809 |
| Document Number | 0000112692 |
| Instrument Date | May 15, 2017 |
| Transaction Type | Mortgage |
| Record Updated | Jun 20, 2017 |
| Title Company | TIMIOS INC |
| Name | Verified Name |
|---|---|
| Relationship | Separate Estate/Property |
| Address | 2015 173RD AVE CASTRO VALLEY CA 945463809, CASTRO VALLEY, CA 94546-3809 |
| Document Number | 0000112692 |
|---|---|
| Date | May 23, 2017 |
| Instrument | 112692 |
| Name | FIRST DIRECT LNDG |
|---|---|
| Address | IRVINE, CA 92618 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | May 22, 2047 |
The 2025 property tax bill for 2015 173rd Ave was $3,964 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 | San Lorenzo Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $264,793 (-0.63%) Land $81,538 Building $190,255 | ||
| 2025 | $3,964.00 Homeowner's exemption | $266,464 Land $79,939 Building $186,525 | |
| 2023 | $3,808.00 Homeowner's exemption | $256,117 Land $76,835 Building $179,282 | $590,130 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 2015 173rd Ave in Zone X, an area of minimal flood risk.
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.
The area around 2015 173rd Ave has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within 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 796 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 · Fixed Wireless, DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
May also be available: Etheric Networks, GeoLinks, T-Mobile, Unwired, Verizon.
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