Contra Costa County property record for 847 Deer Spring Cir, Concord, CA 94521 · Last verified July 2026
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 3 ba · 3,584 sqft · built 2003 |
| Lot Size | 0.169 acres (7,355 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $910,000 (Aug 2015) |
| Tax Bill | $12,820 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 121-370-034-5 |
| Primary APN | 121-370-034-5 |
|---|---|
| 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 | 7,355 sqft (0.169 acres) |
| Garage Type | Attached |
| Garage Area | 566 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|
| Street Address | 847 DEER SPRING CIR |
|---|---|
| City | CONCORD |
| State | CA |
| Zip | 94521-5427 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T8031 L251 |
| Legal Tract | 8031 |
| Legal Lot Number | 251 |
| 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 · APN 121-370-034-5
Assessment roll updated July 14, 2026 · Last verified July 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 847 DEER SPRING CIR, CONCORD, CA 94521-5427 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Aug 17, 2015 · Amount on Record |
| Deed Sale | Aug 17, 2015 · Amount on Record |
| Prior Sale | Jan 30, 2007 · Amount on Record |
| Deed Document Number | 2015170313 |
| Prior Transfer Date | Sep 09, 2010 |
| Prior Transfer Doc | 0000196338 |
| Record Updated | Sep 20, 2026 |
Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Concord City |
| Unified School District | Mount Diablo Unified School District (KG - 12) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $1,098,794 (+2%) Land $452,800 Building $645,994 | |
| 2025 | $12,820.00 (+4.31%) Homeowner's exemption | $1,077,250 (+4.04%) Land $443,922 Building $633,328 |
| 2023 | $12,290.00 (+1.18%) Homeowner's exemption | $1,035,421 Land $426,685 Building $608,736 |
| 2022 | $12,147.00 |
Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060133553092, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 1 in force |
| Wildfire Risk | High above 87% of the US · above 67% of California |
|---|---|
| Wildfire Likelihood | About 1 in 100 per year |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 212 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Xfinity | Cable | 2,000 / 250 |
| Radiate Holdings | Cable | 1,500 / 50 |
| T-Mobile USA | Fixed Wireless | 100 / 20 |
May also be available at this address: Unwired, Verizon. Availability varies by address; speeds are provider-advertised maximums, not measured.
5G and 4G LTE (outdoors only)
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