Contra Costa County property record for 5406 Oakstone Ct, Concord, CA 94521
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 3.5 ba · 3,206 sqft · built 2003 |
| Lot Size | 0.23 acres (10,038 sqft) |
| Owner | 2 Company Names on Record |
| Last Sale | $806,500 (Oct 2003) |
| Tax Bill | $15,634 (2025) |
| Deeds & Mortgages | Oct 2025 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 121-370-029-5 |
| Primary APN | 121-370-029-5 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 3,206 sqft Living Area |
| 1st Floor Area | 1,782 sqft |
| 2nd Floor Area | 1,424 sqft |
| Year Built | Built 2003 |
|---|---|
| Effective Year Built | Effective 2003 |
| Architectural Style | Cluster |
| Lot Area | 10,038 sqft (0.23 acres) |
| Garage Type | Attached |
| Garage Area | 630 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|
| Street Address | 5406 OAKSTONE CT |
|---|---|
| City | CONCORD |
| State | CA |
| Zip | 94521-5430 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T8031 L246 |
| Legal Subdivision | SUBDIVISION 8031 FILED JUNE 27 1997 |
| Legal Tract | 8031 |
| Legal Lot Number | 246 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2011 |
| Census Tract | 355309 |
Source: Contra Costa County records, as of July 14, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Company Names on Record |
|---|---|
| Mailing Address | 5406 OAKSTONE CT, CONCORD, CA 94521-5430 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Oct 29, 2003 · Amount on Record |
| Deed Sale | Oct 29, 2003 · Amount on Record |
| Deed Document Number | 2003535503 |
| Last Transfer Date | Jul 23, 2024 |
| Transfer Doc | 0000072829 |
| Record Updated | Sep 20, 2026 |
| Document Type | Gift Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Oct 30, 2025 |
| Property Address | 5406 OAKSTONE CT, CONCORD, CA 94521-5430 |
| Document Number | 0000122620 |
| Map Reference | MB 393 PG 6 |
| Instrument Date | Oct 29, 2025 |
| Instrument | 2025- 122620 |
| Transaction Type | Transfer |
| Record Updated | Nov 12, 2025 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 5406 OAKSTONE CT, CONCORD, CA 94521-5430 |
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Concord City |
| Unified School District | Mount Diablo Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $1,358,082 (+2%) Land $550,882 Building $807,200 | |
| 2025 | $15,634.00 (+15.19%) | $1,331,454 (+15.02%) Land $540,081 Building $791,373 |
| 2023 | $13,572.00 (+1.16%) Homeowner's exemption | $1,157,544 Land $405,866 Building $751,678 |
| 2022 | $13,417.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
Source: FEMA National Flood Hazard Layer, effective October 12, 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 |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 1 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 | High above 84% of the US · above 64% of California |
|---|---|
| Wildfire Likelihood | 0.9% 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 212 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Astound Broadband Cable | 1,500 / 50 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Unwired, Verizon.
5G (outdoors only) and 4G LTE
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