Alameda County property record for 3147 Barlow Dr, Castro Valley, CA 94546
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,020 sqft · built 1951 |
| Lot Size | 0.118 acres (5,150 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $935,000 (Aug 2026) |
| Tax Bill | $6,039 (2025) |
| Deeds & Mortgages | Aug 2026 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 84B-557-9 |
| Primary APN | 84B-557-9 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 1,020 sqft Living Area |
| Year Built | Built 1951 |
|---|---|
| Effective Year Built | Effective 1951 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 5,150 sqft (0.118 acres) |
| Street Address | 3147 BARLOW DR |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94546-3311 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00008 BLK: 0001 TR: 1005 |
| Legal Subdivision | TR 1005 |
| Legal Tract | 1005 |
| Legal Block | 1 |
| Legal Lot Number | 8 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 3 |
| Census Block | 3001 |
| Census Tract | 430700 |
Source: Alameda County records, as of October 13, 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 | 3147 BARLOW DR, CASTRO VALLEY, CA 94546-3311 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Husband and Wife |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Aug 13, 2026 · Amount on Record |
| Deed Sale | Aug 13, 2026 · Amount on Record |
| Prior Sale | May 6, 2011 · Amount on Record |
| Deed Document Number | 2026104575 |
| Prior Transfer Date | Jan 25, 2011 |
| Prior Transfer Doc | 0000035020 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Aug 13, 2026 |
| Property Address | 3147 BARLOW DR, CASTRO VALLEY, CA 94546-3311 |
| Document Number | 0000104575 |
| Instrument Date | Aug 11, 2026 |
| Instrument | 2026104575 |
| Transaction Type | Transfer |
| Record Updated | Sep 29, 2026 |
| Title Company | CHICAGO TITLE W, CHICAGO TITLE |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $103,878.50 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 3147 BARLOW DR, CASTRO VALLEY, CA 94546-3311 |
| Document Number | 0000104576, |
|---|---|
| Date | Aug 13, 2026 |
| Instrument | 2026104576 |
| Name | PROVIDENT CREDIT UNION |
|---|
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Sep 1, 2056 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 5.63% |
| Initial Type | Adjustable Rate |
| Adjustable | Adjustable Rate Rider |
| Max Rate | -1% |
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 | $446,897 (+2%) Land $134,069 Building $312,828 | ||
| 2025 | $6,039.00 (+4.23%) | $438,135 (+4.04%) Land $131,440 Building $306,695 | |
| 2023 | $5,794.00 | $421,127 Land $126,338 Building $294,789 | $789,480 |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
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 | 2 in force |
| Nearby Flood Claims | 2 (2009–2010) |
| Claims Outside the SFHA | 2 of 2 |
| Most Recent Claim | Jan 2010 · 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 98% of the US · lower than 98.4% of California |
|---|---|
| Wildfire Likelihood | Under 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 769 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 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: GeoLinks, Unwired, Verizon.
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