Alameda County property record for 5170 Rahlves Dr, Castro Valley, CA 94546
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 3 ba · 1,854 sqft · built 1955 |
| Lot Size | 0.155 acres (6,732 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $5,814 (2025) |
| Deeds & Mortgages | Feb 2019 Line of Credit Nov 2017 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 84C-800-17 |
| Primary APN | 84C-800-17 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,854 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1955 |
|---|---|
| Effective Year Built | Effective 1956 |
| Architectural Style | L-Shape |
| Exterior Material | Wood Siding |
| Construction Type | Wood |
| Roof Material | Composition Shingle |
| Lot Area | 6,732 sqft (0.155 acres) |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 5170 RAHLVES DR |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94546-2548 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1 |
| Legal Description | LOT: 00001 BLK: 000A TR: 1355 |
| Legal Tract | 1355 |
| Legal Lot Number | 1 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 2 |
| Census Block | 2000 |
| Census Tract | 430200 |
5170 Rahlves Dr is owned and occupied by two individuals who acquired it in November 1993.
Source: Alameda County records, as of August 5, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 5170 RAHLVES DR, CASTRO VALLEY, CA 94546-2548 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| Feb 26, 2019 | Deed of Trust, Mortgage · Line of Credit THIRD FSLA OF CLEVELAND |
| Nov 27, 2017 | Deed of Trust, Mortgage · Conventional Mortgage THIRD FED'L S&L/CLEVELAND |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | Nov 17, 1993 |
| Transfer Doc | 0000420108 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 5170 RAHLVES DR, CASTRO VALLEY, CA 94546-2548 |
| Transaction Type | Mortgage |
| Record Updated | Feb 7, 2021 |
| Title Company | AMERICAN TITLE INC |
| Name | Verified Name |
|---|
| Document Number | 0000035450 |
|---|---|
| Date | Feb 26, 2019 |
| Instrument | 2019035450 |
| Name | THIRD FSLA OF CLEVELAND |
|---|---|
| Type | Lending Institution |
| Address | CLEVELAND, OH 44105 |
| Type | Line of Credit |
|---|---|
| Amount | Amount on Record |
| Due | Jan 29, 2019 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 5170 RAHLVES DR, CASTRO VALLEY, CA 94546-2548 |
| Document Number | 0000264794 |
| Instrument Date | Nov 27, 2017 |
| Transaction Type | Mortgage |
| Record Updated | Jan 3, 2018 |
| Title Company | STEWART TITLE |
| Name | Verified Name |
|---|---|
| Relationship | Husband and Wife |
| Address | 5170 RAHLVES DR CASTRO VALLEY CA 945462548, CASTRO VALLEY, CA 94546-2548 |
| Document Number | 0000264794 |
|---|---|
| Date | Dec 1, 2017 |
| Instrument | 264794 |
| Name | THIRD FED'L S&L/CLEVELAND |
|---|---|
| Type | Federal Savings Bank |
| Address | CLEVELAND, OH 44105 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 120 Months |
| Due | Nov 30, 2027 |
The 2025 property tax bill for 5170 Rahlves Dr was $5,814 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 | $427,632 (+0.36%) Land $126,074 Building $308,558 | ||
| 2025 | $5,814.00 Homeowner's exemption | $426,111 Land $123,602 Building $302,509 | |
| 2023 | $5,574.00 Homeowner's exemption | $409,566 Land $118,803 Building $290,763 | $1,292,760 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 5170 Rahlves Dr in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 1998.
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 |
| Nearby Flood Claims | 1 (1998) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Feb 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 5170 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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