Contra Costa County property record for 861 Deer Spring Cir, Concord, CA 94521
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 3 ba · 3,584 sqft · built 2003 |
| Lot Size | 0.279 acres (12,134 sqft) |
| Owner | 2 Company Names on Record |
| Last Sale | $759,000 (Apr 2009) |
| Tax Bill | $11,718 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 121-370-027-9 |
| Primary APN | 121-370-027-9 |
|---|---|
| Alternative APN |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 11 Rooms |
| Stories | 2 Stories |
| Building Area | 3,584 sqft Living Area |
| 1st Floor Area | 1,578 sqft |
| 2nd Floor Area | 2,006 sqft |
| Year Built | Built 2003 |
|---|---|
| Effective Year Built | Effective 2003 |
| Architectural Style | Cluster |
| Lot Area | 12,134 sqft (0.279 acres) |
| Garage Type | Attached |
| Garage Area | 566 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|
| Street Address | 861 DEER SPRING CIR |
|---|---|
| City | CONCORD |
| State | CA |
| Zip | 94521-5428 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T8031 L244 |
| Legal Subdivision | SUBDIVISION 8031 |
| Legal Tract | 8031 |
| Legal Lot Number | 244 |
| 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 | 861 DEER SPRING CIR, CONCORD, CA 94521-5428 |
| Owner Type | Company |
| Vesting | Life Tenant |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Apr 2, 2009 · Amount on Record |
| Deed Sale | Apr 2, 2009 · Amount on Record |
| Prior Sale | Oct 31, 2003 · Amount on Record |
| Deed Document Number | 200969773 |
| Prior Transfer Date | May 1, 2008 |
| Prior Transfer Doc | 0000169351 |
| Record Updated | Oct 29, 2026 |
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 | $996,944 (+2%) Land $354,640 Building $642,304 | |
| 2025 | $11,718.00 (+4.36%) Homeowner's exemption | $977,397 (+4.04%) Land $347,687 Building $629,710 |
| 2023 | $11,228.00 (+1.21%) Homeowner's exemption | $939,445 Land $334,187 Building $605,258 |
| 2022 | $11,094.00 |
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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