Alameda County property record for 2533 Denning Ct, Castro Valley, CA 94546
| Property Type | Quadplex |
|---|---|
| Details | 8 bd · 5 ba · 3,820 sqft · built 1961 |
| Lot Size | 0.2 acres (8,699 sqft) |
| Owner | 2 Company Names on File |
| Tax Bill | $11,125 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 84A-181-7 |
| Primary APN | 84A-181-7 |
|---|---|
| Alternative APN |
|
| Bedrooms | 8 Beds |
|---|---|
| Full Baths | 5 Baths |
| Total Rooms | 16 Rooms |
| Units | 4 Units |
| Stories | 2 Stories |
| Building Area | 3,820 sqft Living Area |
| Year Built | Built 1961 |
|---|---|
| Effective Year Built | Effective 1961 |
| Construction Type | Wood |
| Lot Area | 8,699 sqft (0.2 acres) |
| Street Address | 2533 DENNING CT |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94546-5248 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Quadplex |
| Legal Description | LOT: 00005 BLK: 000A TR: 2080 |
| Legal Subdivision | 41 94 |
| Legal Tract | 2080 |
| Legal Lot Number | 5 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 3 |
| Census Block | 3000 |
| Census Tract | 430900 |
Source: Alameda County records, as of August 5, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | 2 Company Names on File |
|---|---|
| Mailing Address | 2533 DENNING CT, CASTRO VALLEY, CA 94546-5248 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust, Family Trust |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | Jan 23, 2008 |
| Transfer Doc | 0000050258 |
| Record Updated | Sep 20, 2026 |
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 |
|---|---|---|
| 2026 | $703,690 (+2%) Land $243,946 Building $459,744 | |
| 2025 | $11,125.00 (+5.34%) | $689,894 (+4.04%) Land $239,163 Building $450,731 |
| 2023 | $10,561.00 | $663,108 Land $229,877 Building $433,231 |
Assessed value is set for property tax purposes and is not a market price estimate.
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 |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 4 in force |
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 | Not rated no burnable land within 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 709 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 / 2,000 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| Etheric Networks Fixed Wireless | 250 / 100 |
May also be available: GeoLinks, T-Mobile.
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