Alameda County property record for 3640 Pine St, Castro Valley, CA 94546
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 825 sqft · built 1948 |
| Lot Size | 0.115 acres (5,000 sqft) |
| Owner | Trust Name on File |
| Last Sale | $155,000 (Mar 1997) |
| Tax Bill | $3,765 (2025) |
| Deeds & Mortgages | Jun 2021 Mortgage |
| Flood Zone | Zone AE (high risk) |
| APN | 84C-608-3 |
| Primary APN | 84C-608-3 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 825 sqft Living Area |
| Year Built | Built 1948 |
|---|---|
| Effective Year Built | Effective 1948 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 5,000 sqft (0.115 acres) |
| Lot Dimensions | 100 ft deep x 50 ft wide |
| Heating System | Floor/Wall Furnace |
|---|
| Street Address | 3640 PINE ST |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94546-5914 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00009 BLK: 000B TR: 0815 |
| Legal Tract | 0815 |
| Legal Block | B |
| Legal Lot Number | 9 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 1 |
| Census Block | 1011 |
| Census Tract | 431000 |
3640 Pine St is owner-occupied and held in a trust since March 1997.
Source: Alameda County records, as of August 5, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 3640 PINE ST, CASTRO VALLEY, CA 94546-5914 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
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 | Name on Deed |
|---|---|
| Last Sale | Mar 7, 1997 · Amount on File |
| Deed Sale | Mar 7, 1997 · Amount on File |
| Deed Document Number | 199762234 |
| Prior Transfer Date | May 19, 1995 |
| Prior Transfer Doc | 0000117427 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 3640 PINE ST, CASTRO VALLEY, CA 94546-5914 |
| Transaction Type | Mortgage |
| Record Updated | Jun 30, 2021 |
| Title Company | NORTH AMERICAN TITLE COMPANY |
| Name | Verified Name |
|---|---|
| Address | 3640 PINE ST, CASTRO VALLEY, CA 94546-5914 |
| Document Number | 0000215029 |
|---|---|
| Date | Jun 14, 2021 |
| Instrument | 2021215029 |
| Name | WELLS FARGO BANK NA |
|---|---|
| Type | Bank |
| Address | SIOUX FALLS, SD 57104 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 181 Months |
| Due | Jul 1, 2036 |
The 2025 property tax bill for 3640 Pine St was $3,765 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 | $250,478 (-0.77%) Land $77,243 Building $180,235 | ||
| 2025 | $3,765.00 Homeowner's exemption | $252,431 Land $75,729 Building $176,702 | |
| 2023 | $3,592.00 Homeowner's exemption | $242,630 Land $72,789 Building $169,841 | $678,960 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 3640 Pine St in Zone AE, a high-risk flood area; flood insurance is required for federally backed loans.
Source: FEMA National Flood Hazard Layer, effective May 25, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone AE high risk |
|---|---|
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | No |
| Base Flood Elevation | Varies along the reach; see FIRM |
| Flood Insurance Requirement | Required federally backed loans |
| Flood Insurance Cost | Premium on File median of 13 policies |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 13 in force |
| Nearby Flood Claims | 1 (1993) |
| Most Recent Claim | Jan 1993 · other causes |
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.
The area around 3640 Pine St 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 777 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 · DSL · Fixed Wireless in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: GeoLinks.
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