Alameda County property record for 18388 Crest Ave, Castro Valley, CA 94546
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 2,054 sqft · built 1953 |
| Lot Size | 0.117 acres (5,100 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $248,000 (Nov 1996) |
| Tax Bill | $5,526 (2025) |
| Deeds & Mortgages | Sep 2021 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 84B-365-12-2 |
| Primary APN | 84B-365-12-2 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 2,054 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1953 |
|---|---|
| Effective Year Built | Effective 1971 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 5,100 sqft (0.117 acres) |
| Heating System | Forced Air with A/C |
|---|
| Street Address | 18388 CREST AVE |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94546-2724 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00002 BLK: 0012 AR: 084B PAGE: 0365 |
| Legal Subdivision | VALLEY CREST GARDENS |
| Legal Lot Number | 14 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 3 |
| Census Block | 3004 |
| Census Tract | 430600 |
18388 Crest Ave is owned and occupied by two individuals who acquired it in May 2008.
Source: Alameda County records, as of August 5, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 18388 CREST AVE, CASTRO VALLEY, CA 94546-2724 |
| 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.
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Nov 22, 1996 · Amount on File |
| Deed Sale | Nov 22, 1996 · Amount on File |
| Deed Document Number | 1996297294 |
| Last Transfer Date | May 20, 2008 |
| Transfer Doc | 0000171752 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 18388 CREST AVE, CASTRO VALLEY, CA 94546-2724 |
| Transaction Type | Mortgage |
| Record Updated | Oct 14, 2021 |
| Title Company | FIRSTAMERICAN TITLE COMPANY, FIRST AMERICAN TITLE COMPANY |
| Name | Verified Name |
|---|---|
| Address | 18388 CREST AVE, CASTRO VALLEY, CA 94546-2724 |
| Document Number | 0000324283 |
|---|---|
| Date | Sep 28, 2021 |
| Instrument | 2021324283 |
| Name | WELLS FARGO BANK NA |
|---|---|
| Type | Bank |
| Address | SIOUX FALLS, SD 57104 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 241 Months |
| Due | Oct 1, 2041 |
The 2025 property tax bill for 18388 Crest Ave was $5,526 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 | Castro Valley Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $404,967 (+0.27%) Land $123,590 Building $288,377 | ||
| 2025 | $5,526.00 Homeowner's exemption | $403,890 Land $121,167 Building $282,723 | |
| 2023 | $5,294.00 Homeowner's exemption | $388,208 Land $116,462 Building $271,746 | $1,175,490 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 18388 Crest Ave in Zone X, an area of minimal flood risk, though there have been 2 flood claims nearby since 1995.
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 |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 3 in force |
| Nearby Flood Claims | 2 (1995–1998) |
| Claims Outside the SFHA | 2 of 2 |
| Most Recent Claim | Jan 1998 · rainfall accumulation |
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.
Wildfire risk around 18388 Crest Ave is moderate, ranking above 53% of the US, with a 0.1% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 53% of the US · lower than 68% of California |
|---|---|
| Wildfire Likelihood | 0.1% 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 522 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
May also be available: Etheric Networks, T-Mobile, Unwired, Verizon.
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