Alameda County property record for 17480 Madison Ave, Castro Valley, CA 94546
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 1,663 sqft · built 1984 |
| Lot Size | 1.78 acres (77,786 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $995,000 (Jul 2022) |
| Tax Bill | $13,004 (2025) |
| Deeds & Mortgages | Jul 2022 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 85-6310-7 |
| Primary APN | 85-6310-7 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 6 Rooms |
| Stories | 2 Stories |
| Building Area | 1,663 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1984 |
|---|---|
| Effective Year Built | Effective 1984 |
| Architectural Style | Custom Design |
| Exterior Material | Wood Siding |
| Construction Type | Wood |
| Roof Material | Composition Shingle |
| Lot Area | 77,786 sqft |
| View / Lot | Woodland |
| Heating System | Forced Air with A/C |
|---|---|
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 17480 MADISON AVE |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94546-1618 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | PD |
| Legal Description | LOT: 00133 BLK: TR: 3983 ;LOT: 00135 BLK: TR: 3983 |
| Legal Tract | 3983 |
| Legal Lot Number | 133 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 1 |
| Census Block | 1011 |
| Census Tract | 430200 |
17480 Madison Ave is owned and occupied by two individuals who bought it in July 2022.
Source: Alameda County records, as of August 5, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 17480 MADISON AVE, CASTRO VALLEY, CA 94546-1618 |
| 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 | Jul 26, 2022 · Amount on File |
| Deed Sale | Jul 26, 2022 · Amount on File |
| Deed Document Number | 2022132994 |
| Prior Transfer Date | Jul 10, 2015 |
| Prior Transfer Doc | 0000212890 |
| Record Updated | Sep 20, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Jul 26, 2022 |
| Property Address | 17480 MADISON AVE, CASTRO VALLEY, CA 94546-1618 |
| Document Number | 0000132994 |
| Map Reference | MB 115 PG 1 |
| Instrument Date | Jul 14, 2022 |
| Instrument | 2022132994 |
| Transaction Type | Transfer |
| Record Updated | Aug 22, 2022 |
| Title Company | NOT AVAILABLE, DOMA TITLE OF CALIFORNIA INC |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 17480 MADISON AVE, CASTRO VALLEY, CA 94546-1618 |
| Document Number | 0000132995 |
|---|---|
| Date | Jul 26, 2022 |
| Instrument | 2022132995 |
| Name | ROCKET MORTGAGE LLC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Aug 1, 2052 |
The 2025 property tax bill for 17480 Madison Ave was $13,004 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 | $1,048,893 (+1.32%) Land $316,768 Building $739,125 | ||
| 2025 | $13,004.00 Homeowner's exemption | $1,035,197 Land $310,559 Building $724,638 | |
| 2023 | $11,576.00 Homeowner's exemption | $915,000 Land $274,500 Building $640,500 | $882,180 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 17480 Madison Ave 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 17480 Madison Ave is moderate, ranking above 62% of the US, with a 0.2% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 62% of the US · lower than 62% of California |
|---|---|
| Wildfire Likelihood | 0.2% 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 402 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
May also be available: Etheric Networks, Sonic Telecom, T-Mobile, Unwired.
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