Contra Costa County property record for 4498 River Ash Ct, Concord, CA 94521
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 1,784 sqft · built 1976 |
| Lot Size | 0.133 acres (5,796 sqft) |
| Owner | Individual Name on File |
| Last Sale | $235,000 (Oct 1998) |
| Tax Bill | $5,078 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 133-341-014-8 |
| Primary APN | 133-341-014-8 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 1,784 sqft Living Area |
| Gross Area | 2,263 sqft |
| 1st Floor Area | 960 sqft |
| 2nd Floor Area | 824 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1976 |
|---|---|
| Effective Year Built | Effective 1978 |
| Architectural Style | Contemporary |
| Exterior Material | Stucco |
| Construction Type | Frame |
| Roof Material | Wood Shingle |
| Lot Area | 5,796 sqft (0.133 acres) |
| Lot Dimensions | 90 ft deep x 65 ft wide |
| Garage Type | Attached |
| Garage Area | 479 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Wall Unit |
|---|---|
| Heating System | Forced Air with A/C |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 4498 RIVER ASH CT |
|---|---|
| City | CONCORD |
| State | CA |
| Zip | 94521-4402 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | PD |
| Legal Description | T03940 L0465 B EX MR |
| Legal Subdivision | COWELL HOMEOWNERS ASSOCIATION |
| Legal Tract | 03940 |
| Legal Lot Number | 465 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 3 |
| Census Block | 3001 |
| Census Tract | 334006 |
4498 River Ash Ct is owned and occupied by an individual who acquired it in July 2006.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 4498 RIVER ASH CT, CONCORD, CA 94521-4402 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Single Person |
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 | Oct 20, 1998 · Amount on File |
| Deed Sale | Oct 20, 1998 · Amount on File |
| Deed Document Number | 1998258790 |
| Last Transfer Date | Jul 21, 2006 |
| Transfer Doc | 0000247671 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 4498 River Ash Ct was $5,078.
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 | $375,758 (+2%) Land $151,896 Building $223,862 | |
| 2025 | $5,078.00 | $368,391 Land $148,918 Building $219,473 |
| 2023 | $4,835.00 (+1.62%) | $354,088 Land $143,137 Building $210,951 |
| 2022 | $4,758.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 4498 River Ash Ct in Zone X, an area of minimal flood risk.
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 | 3 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.
Wildfire risk around 4498 River Ash Ct is moderate, ranking above 65% of the US, with a 0.3% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 65% of the US · above 40% of California |
|---|---|
| Wildfire Likelihood | 0.3% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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 552 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 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
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