Alameda County property record for 2018 173rd Ave, Castro Valley, CA 94546 · Last verified October 2025
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 3 Beds |
| Bathrooms | 2 Baths |
| Year Built | Built 1955 |
| Square Footage | 1,627 sqft Living Area |
| Lot Size | 5,607 sqft (0.128 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $525,500 (2018) |
| Tax Bill | $7,783.00 (2025) |
| Primary APN | 80A-231-3 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 5 Rooms |
| Building Area | 1,627 sqft Living Area |
| Stories | 1 Stories |
| Year Built | Built 1952 |
|---|---|
| Effective Year Built | Effective 1955 |
| Architectural Style | Other Style |
| Construction Type | Tilt-Up Concrete Construction |
| Lot Area | 5,607 sqft (0.128 acres) |
| Street Address | 2018 173RD AVE |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94546-3810 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | MAP 11 PG 1 BLK B PART OF LOT 8 |
| Legal Subdivision | EL PORTAL |
| Jurisdiction | ALAMEDA CA |
| Minor Civil Division | HAYWARD |
| Census Blockgroup | 3 |
| Census Block | 3017 |
| Census Tract | 430500 |
Source: Alameda County records · APN 80A-231-3
Assessment roll updated July 1, 2025 · Last verified October 2025
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on File |
|---|---|
| Co-owner | 2 Verified Secondary Owners |
| Mailing Address | 2018 173RD AVE, CASTRO VALLEY, CA 94546-3810 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Date | Document |
|---|---|
| Feb 10, 2022 | Grant Deed, Transfer · Conventional Mortgage MUFG UNION BANK NA |
| Mar 23, 2019 | Deed of Trust, Mortgage · Conventional Mortgage SORDELLO M & S F/TR (PT) |
| Aug 28, 2018 | Affidavit of Death, Transfer FIRST AMERICAN TITLE |
| Aug 28, 2018 | Grant Deed, Transfer · Conventional Mortgage ALAMEDA MORTGAGE CORP |
| Deed Names | 4 Verified Names on Deed |
|---|---|
| Last Sale | Aug 28, 2018 · Amount on Record |
| Deed Sale | Aug 28, 2018 · Amount on Record |
| Prior Sale | Aug 28, 2018 · Amount on Record |
| Deed Doc Number | 0000167990 |
| Last Transfer Date | Feb 10, 2022 |
| Transfer Doc | 0000032678 |
| Record Refreshed | Jun 08, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Feb 10, 2022 |
| Property Address | 2018 173RD AVE, CASTRO VALLEY, CA 94546-3810 |
| Document Number | 0000032678 |
| Map Reference | MB 8 PG 76&77 |
| Instrument Date | Jan 31, 2022 |
| Instrument | 2022032678 |
| Transaction Type | Transfer |
| Record Updated | Jul 19, 2022 |
| Title Company | CHICAGO TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Tax | $112.75 |
| Amount Accuracy | Rounded Values by County |
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 2018 173RD AVE, CASTRO VALLEY, CA 94546-3810 |
| Document Number | 0000032679 |
|---|---|
| Date | Feb 10, 2022 |
| Instrument | 2022032679 |
| Name | MUFG UNION BANK NA |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Feb 01, 2052 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 2018 173RD AVE, CASTRO VALLEY, CA 94546-3810 |
| Document Number | 0000075908 |
| Instrument Date | Mar 23, 2019 |
| Transaction Type | Mortgage |
| Record Updated | May 17, 2019 |
| Title Company | OTHER |
| Name | Verified Name |
|---|---|
| Address | 2018 173RD AVE CASTRO VALLEY CA 945463810, CASTRO VALLEY, CA 94546-3810 |
| Document Number | 0000075908 |
|---|---|
| Date | Apr 25, 2019 |
| Instrument | 75908 |
| Name | SORDELLO M & S F/TR (PT) |
|---|---|
| Address | 1978 CIMARRON ST, MORGAN HILL, CA 95037-9713 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Document Type | Affidavit of Death |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Aug 28, 2018 |
| Property Address | 2018 173RD AVE, CASTRO VALLEY, CA 94546-3810 |
| Document Number | 0000167989 |
| Instrument Date | Aug 23, 2018 |
| Instrument | 167989 |
| Transaction Type | Transfer |
| Record Updated | Nov 22, 2018 |
| Title Company | FIRST AMERICAN TITLE |
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Personal Trust |
| Address | 28948 GOETZ RD #A QUAIL VALLEY CA 925878810, A, QUAIL VALLEY, CA 92587-8810 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Aug 28, 2018 |
| Property Address | 2018 173RD AVE, CASTRO VALLEY, CA 94546-3810 |
| Document Number | 0000167990 |
| Map Reference | MB 8 PG 76&77 |
| Instrument Date | Aug 23, 2018 |
| Instrument | 2018167990 |
| Transaction Type | Transfer |
| Record Updated | Jul 19, 2022 |
| Title Company | FIRST AMERICAN TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Rounded Values by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 2018 173RD AVE, CASTRO VALLEY, CA 94546-3810 |
| Document Number | 0000167991 |
|---|---|
| Date | Aug 28, 2018 |
| Instrument | 2018167991 |
| Name | ALAMEDA MORTGAGE CORP |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Sep 01, 2048 |
Source: Alameda County records · Assessment roll updated July 1, 2025 · Last verified October 2025
| Type | Name |
|---|---|
| State | California |
| County | Alameda County |
| Unified School District | San Lorenzo Unified School District (KG - 12) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2025 | $7,783.00 (+3.84%) Homeowner's exemption | $586,195 (+4.04%) Land $176,249 Building $409,946 |
| 2023 | $7,495.00 Homeowner's exemption | $563,435 Land $169,406 Building $394,029 |
Source: FEMA National Flood Hazard Layer, Alameda County (06001C), updated May 25, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Special Flood Hazard Area | No |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
Values are read at the parcel center point; lenders make the official flood determination.
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