Alameda County property record for 18830 Sandy Rd, Castro Valley, CA 94546
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,233 sqft · built 1947 |
| Lot Size | 0.334 acres (14,550 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $862,000 (Dec 2017) |
| Tax Bill | $12,442 (2025) |
| Deeds & Mortgages | Nov 2021 Line of Credit Dec 2017 Sale & Mortgage + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 84C-815-4 |
| Primary APN | 84C-815-4 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,233 sqft Living Area |
| Year Built | Built 1947 |
|---|---|
| Effective Year Built | Effective 1947 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 14,550 sqft (0.334 acres) |
| Street Address | 18830 SANDY RD |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94546-2428 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00004 BLK: 000C TR: 0733 |
| Legal Tract | 0733 |
| Legal Lot Number | 4 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 3 |
| Census Block | 3000 |
| 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 | 2 Individual Names on Record |
|---|---|
| Mailing Address | 18830 SANDY RD, CASTRO VALLEY, CA 94546-2428 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Nov 8, 2021 | Deed of Trust, Mortgage · Line of Credit MUFG UNION BANK NA |
| Dec 6, 2017 | Grant Deed, Transfer · ARM MUFG UNION BANK NA |
| Dec 6, 2017 | Quit Claim Deed, Transfer PLACER TITLE COMPANY |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Dec 6, 2017 · Amount on Record |
| Deed Sale | Dec 6, 2017 · Amount on Record |
| Deed Document Number | 2017267977 |
| Prior Transfer Date | Oct 25, 2017 |
| Prior Transfer Doc | 0000267976 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 18830 SANDY RD, CASTRO VALLEY, CA 94546-2428 |
| Transaction Type | Mortgage |
| Record Updated | Nov 26, 2021 |
| Title Company | E-CHICAGO TITLE, CHICAGO TITLE |
| Name | Verified Name |
|---|
| Document Number | 0000365031 |
|---|---|
| Date | Nov 8, 2021 |
| Instrument | 2021365031 |
| Name | MUFG UNION BANK NA |
|---|---|
| Type | Bank |
| Address | SAN DIEGO, CA 92121 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Nov 16, 2051 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Dec 6, 2017 |
| Property Address | 18830 SANDY RD, CASTRO VALLEY, CA 94546-2428 |
| Document Number | 0000267977 |
| Map Reference | MB11 PG56&57 |
| Instrument Date | Nov 15, 2017 |
| Instrument | 2017267977 |
| Transaction Type | Transfer |
| Record Updated | Aug 19, 2021 |
| Title Company | PLACER TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property with Right of Survivorship |
| Address | 18830 SANDY RD, CASTRO VALLEY, CA 94546-2428 |
| Document Number | 0000267978 |
|---|---|
| Date | Dec 6, 2017 |
| Instrument | 2017267978 |
| Name | MUFG UNION BANK NA |
|---|---|
| Type | Bank |
| Type | ARM |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Dec 1, 2047 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 3.75% |
| Type Change Date | Dec 1, 2027 |
| Change Frequency | Annually |
| Min Rate At Change | 2.25% |
| Max Rate At Change | 5.75% |
| Index | 1-Year LIBOR |
| Max Rate | 9.75% |
| Document Number | 0000267979 |
|---|---|
| Date | Dec 6, 2017 |
| Instrument | 2017267979 |
| Name | MUFG UNION BANK NA |
|---|---|
| Type | Bank |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Dec 6, 2017 |
| Property Address | 18830 SANDY RD, CASTRO VALLEY, CA 94546-2428 |
| Document Number | 0000267976 |
| Instrument Date | Oct 25, 2017 |
| Instrument | 267976 |
| Transaction Type | Transfer |
| Record Updated | Jan 3, 2018 |
| Title Company | PLACER TITLE COMPANY |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Living Trust |
| Address | 18838 SANDY RD CASTRO VALLEY CA 945462428, CASTRO VALLEY, CA 94546-2428 |
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 | $1,000,402 (+2%) Land $301,745 Building $698,657 | ||
| 2025 | $12,442.00 (+3.8%) | $980,791 (+4.04%) Land $295,830 Building $684,961 | |
| 2023 | $11,986.00 | $942,708 Land $284,343 Building $658,365 | $1,006,290 |
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 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 100 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 3 in force |
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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 80% of the US · lower than 88% of California |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | None beyond 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 724 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 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: Etheric Networks, GeoLinks, T-Mobile.
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