Contra Costa County property record for 3240 Aspara Dr, Clayton, CA 94517
| Property Type | Rural Home |
|---|---|
| Lot Size | 2.65 acres (115,434 sqft) |
| Owner | Company Name on File |
| Last Sale | $325,000 (Dec 2008) |
| Tax Bill | $26 (2025) |
| Flood Zone | Zone A (high risk) |
| APN | 078-190-017 |
| Primary APN | 078-190-017 |
|---|---|
| Alternative APN |
|
| Lot Area | 115,434 sqft |
|---|
| Street Address | 3240 ASPARA DR |
|---|---|
| City | CLAYTON |
| State | CA |
| Zip | 94517-9717 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Rural Home |
| Local Zoning Code | FR |
| Legal Description | PCL MAP 29 PG 10 PCL B |
| Legal Tract | 29PM10 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | TASSAJARA |
| Census Block Group | 1 |
| Census Block | 1042 |
| Census Tract | 355112 |
3240 Aspara Dr, a rural home, is owned by a company that bought it in December 2008 and is owner-occupied.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 1901 OLYMPIC BLVD, 320, WALNUT CREEK, CA 94596-5078 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Company |
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 | Dec 29, 2008 · Amount on File |
| Deed Sale | Dec 29, 2008 · Amount on File |
| Prior Sale | Oct 3, 2002 · Amount on File |
| Deed Document Number | 2008276514 |
| Prior Transfer Date | Jan 6, 1997 |
| Prior Transfer Doc | 0000003549 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 3240 Aspara Dr was $26 with an additional exemption.
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Unified School District | Mount Diablo Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $426,885 (+2%) Land $426,885 | |
| 2025 | $26.00 Additional exemption filed | $418,515 Land $418,515 |
| 2023 | $26.00 (-72.04%) Additional exemption filed | $402,264 Land $402,264 |
| 2022 | $93.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 3240 Aspara Dr in Zone A, a high-risk flood area; flood insurance is required for federally backed loans.
Source: FEMA National Flood Hazard Layer, effective October 12, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone A high risk |
|---|---|
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | No |
| Base Flood Elevation | Not determined for this zone |
| Flood Insurance Requirement | Required federally backed loans |
| Flood Insurance Cost | Premium on File median of 14 policies |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 14 in force |
| Nearby Flood Claims | 2 (1982–2017) |
| Most Recent Claim | Jan 2017 · Severe Winter Storms, Flooding, And Mudslides |
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 3240 Aspara Dr is high, ranking above 87% of the US, with a 1% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | High above 87% of the US · above 68% of California |
|---|---|
| Wildfire Likelihood | 1% 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 | CONTRA COSTA WATER DISTRICT serves 210,500 people · EPA ID CA0710003 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Jan 2022 |
| Lead | Under 1 ppb (2026–2028) 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.
Source: FCC Broadband Data Collection, based on 8 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| Starlink Satellite | 280 / 30 |
May also be available: T-Mobile.
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