Alameda County property record for 5123 Rahlves Dr, Castro Valley, CA 94546
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,200 sqft · built 1955 |
| Lot Size | 0.132 acres (5,750 sqft) |
| Owner | Individual Name on File |
| Last Sale | $290,000 (Jul 2012) |
| Tax Bill | $5,000 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 84C-800-24 |
| Primary APN | 84C-800-24 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,200 sqft Living Area |
| Year Built | Built 1955 |
|---|---|
| Effective Year Built | Effective 1956 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 5,750 sqft (0.132 acres) |
| Street Address | 5123 RAHLVES DR |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94546-2547 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00001 BLK: 000C TR: 1355 |
| Legal Subdivision | MAXWELL PARK |
| Legal Tract | 1355 |
| Legal Block | C |
| Legal Lot Number | 1 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 1 |
| Census Block | 1011 |
| Census Tract | 430200 |
5123 Rahlves Dr is owned and occupied by an individual who bought it in July 2012.
Source: Alameda County records, as of August 5, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 5123 RAHLVES DR, CASTRO VALLEY, CA 94546-2547 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Single Person |
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 | Jul 30, 2012 · Amount on File |
| Deed Sale | Jul 30, 2012 · Amount on File |
| Prior Sale | Aug 21, 2001 · Amount on File |
| Deed Document Number | 2012248578 |
| Prior Transfer Date | Jul 11, 2012 |
| Prior Transfer Doc | 0000248579 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 5123 Rahlves Dr was $5,000 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 | $357,240 (+0.04%) Land $109,272 Building $254,968 | ||
| 2025 | $5,000.00 Homeowner's exemption | $357,100 Land $107,130 Building $249,970 | |
| 2023 | $4,786.00 Homeowner's exemption | $343,234 Land $102,970 Building $240,264 | $829,890 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 5123 Rahlves Dr in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective May 25, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Wildfire risk around 5123 Rahlves Dr is low, with a 0.03% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 67% of the US · lower than 81% of California |
|---|---|
| Wildfire Likelihood | 0.03% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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 412 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 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, T-Mobile.
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