Contra Costa County property record for 4034 Cowell Rd, Concord, CA 94518
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 1,872 sqft · built 1970 |
| Lot Size | 0.329 acres (14,320 sqft) |
| Owner | Trust Name on File |
| Tax Bill | $5,037 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 130-160-026-6 |
| Primary APN | 130-160-026-6 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 9 Rooms |
| Stories | 1 Story |
| Building Area | 1,872 sqft Living Area |
| 1st Floor Area | 1,586 sqft |
| Basement Area | 286 sqft |
| Year Built | Built 1970 |
|---|---|
| Effective Year Built | Effective 1971 |
| Lot Area | 14,320 sqft (0.329 acres) |
| Garage Type | Attached |
| Garage Area | 572 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 4034 COWELL RD |
|---|---|
| City | CONCORD |
| State | CA |
| Zip | 94518-1711 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R12 |
| Legal Description | RECORD OF SURVEY 41 LSM 36 PCL A |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1001 |
| Census Tract | 337100 |
4034 Cowell Rd is owner-occupied and held in a trust since February 2008.
Source: Contra Costa County records, as of July 14, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 4034 COWELL RD, CONCORD, CA 94518-1711 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Transfer Date | Feb 5, 2008 |
| Transfer Doc | 0000042519 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 4034 Cowell Rd was $5,037 with a homeowner's exemption.
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 | $385,530 (+2%) Land $123,447 Building $262,083 | |
| 2025 | $5,037.00 Homeowner's exemption | $377,972 Land $121,027 Building $256,945 |
| 2023 | $4,790.00 (+1.68%) Homeowner's exemption | $363,296 Land $116,328 Building $246,968 |
| 2022 | $4,711.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 4034 Cowell Rd in Zone X, an area of minimal flood risk, though there have been 4 flood claims nearby since 1997.
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 | 4 in force |
| Nearby Flood Claims | 4 (1997–2002) |
| Claims Outside the SFHA | 3 of 4 |
| Most Recent Claim | Dec 2002 · rainfall accumulation |
| Claims by Event |
|
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 4034 Cowell Rd is low, with less than a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 98% of the US · lower than 98.4% of California |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond ember reach |
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 |
| AT&T Fixed Wireless · DSL · Fiber in parts of the area | 100 / 20 |
May also be available: Sonic Telecom.
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