Alameda County property record for 7517 Denison Pl, Castro Valley, CA 94552
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 4 ba · 2,875 sqft · built 1999 |
| Lot Size | 0.145 acres (6,321 sqft) |
| Owner | 2 Trust Names on File |
| Last Sale | $453,000 (Apr 1999) |
| Tax Bill | $9,164 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 85A-6414-150 |
| Primary APN | 85A-6414-150 |
|---|---|
| Alternative APN |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 4 Baths |
| Total Rooms | 9 Rooms |
| Stories | 2 Stories |
| Building Area | 2,875 sqft Living Area |
| Year Built | Built 1999 |
|---|---|
| Effective Year Built | Effective 1999 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 6,321 sqft (0.145 acres) |
| Parking Spaces | 3 Parking Spaces |
| Street Address | 7517 DENISON PL |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94552-5307 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00034 BLK: TR: 5974 |
| Legal Subdivision | TRACT 5974 |
| Legal Tract | 5974 |
| Legal Lot Number | 34 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 4 |
| Census Block | 4008 |
| Census Tract | 430101 |
7517 Denison Pl is owner-occupied and held in a trust since April 1999.
Source: Alameda County records, as of August 26, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 7517 DENISON PL, CASTRO VALLEY, CA 94552-5307 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust, Family Revocable 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 | 2 Names on Deed |
|---|---|
| Last Sale | Apr 14, 1999 · Amount on File |
| Deed Sale | Apr 14, 1999 · Amount on File |
| Deed Document Number | 1999151256 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 7517 Denison Pl was $9,164 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 | $717,173 (+1.01%) Land $217,300 Building $506,873 | ||
| 2025 | $9,164.00 Homeowner's exemption | $709,974 Land $213,039 Building $496,935 | |
| 2023 | $8,813.00 Homeowner's exemption | $682,410 Land $204,768 Building $477,642 | $1,604,700 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 7517 Denison Pl 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 7517 Denison Pl is high, ranking above 79% of the US, with a 0.6% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | High above 79% of the US · above 57% of California |
|---|---|
| Wildfire Likelihood | 0.6% 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 496 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 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| AT&T DSL | 100 / 20 |
May also be available: Unwired.
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