Contra Costa County property record for 4173 Cobblestone Dr, Concord, CA 94521 · Last verified July 2026
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 1,191 sqft · built 1953 |
| Lot Size | 0.138 acres (6,000 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $480,000 (Aug 2006) |
| Tax Bill | $8,232 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 132-136-019-8 |
| Primary APN | 132-136-019-8 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Stories | 2 Stories |
| Building Area | 1,191 sqft Living Area |
| 1st Floor Area | 764 sqft |
| 2nd Floor Area | 427 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1953 |
|---|---|
| Effective Year Built | Effective 1953 |
| Lot Area | 6,000 sqft (0.138 acres) |
| Lot Dimensions | 100 ft deep x 60 ft wide |
| Garage Type | Attached |
| Garage Area | 360 sqft |
| Parking Spaces | 1 Parking Space |
| Heating System | Floor/Wall Furnace |
|---|
| Street Address | 4173 COBBLESTONE DR |
|---|---|
| City | CONCORD |
| State | CA |
| Zip | 94521-2723 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | CANTERBURY VILLAGE #2 LOT 152 |
| Legal Subdivision | CANTERBURY VILLAGE 02 |
| Legal Lot Number | 152 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1003 |
| Census Tract | 334001 |
Source: Contra Costa County records · APN 132-136-019-8
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 | 4173 COBBLESTONE DR, CONCORD, CA 94521-2723 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Aug 11, 2006 · Amount on Record |
| Deed Sale | Aug 11, 2006 · Amount on Record |
| Deed Document Number | 2006254816 |
| Prior Transfer Date | Sep 27, 1996 |
| Prior Transfer Doc | 0000180819 |
| 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 | $674,373 (+2%) Land $491,961 Building $182,412 | |
| 2025 | $8,232.00 (+4.59%) Homeowner's exemption | $661,151 (+4.04%) Land $482,315 Building $178,836 |
| 2023 | $7,871.00 (+1.35%) Homeowner's exemption | $635,480 Land $463,587 Building $171,893 |
| 2022 | $7,766.00 |
Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060133340011, 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 |
| Nearest Special Flood Hazard Area | Zone AE, within 100 ft |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 6 in force |
| Nearby Flood Claims | 4 (1982–1998) |
| Claims Outside the SFHA | 1 of 4 |
| Most Recent Claim | Feb 1998, rainfall accumulation, Severe Winter Storms And Flooding |
| Claims By Storm |
|
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
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 711 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 |
| Unwired | Fixed Wireless | 300 / 25 |
May also be available at this address: Sonic Telecom, T-Mobile USA, Verizon, AT&T. Availability varies by address; speeds are provider-advertised maximums, not measured.
5G and 4G LTE
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