Contra Costa County property record for 4015 Denver St, Concord, CA 94521
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 1,622 sqft · built 1989 |
| Lot Size | 0.132 acres (5,768 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $4,988 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 115-262-024-9 |
| Primary APN | 115-262-024-9 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 9 Rooms |
| Stories | 2 Stories |
| Building Area | 1,622 sqft Living Area |
| 1st Floor Area | 953 sqft |
| 2nd Floor Area | 669 sqft |
| Year Built | Built 1989 |
|---|---|
| Effective Year Built | Effective 1989 |
| Lot Area | 5,768 sqft (0.132 acres) |
| Garage Type | Attached |
| Garage Area | 407 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 4015 DENVER ST |
|---|---|
| City | CONCORD |
| State | CA |
| Zip | 94521-1760 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T7007 L14 |
| Legal Tract | 7007 |
| Legal Lot Number | 14 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 5 |
| Census Block | 5002 |
| Census Tract | 333200 |
4015 Denver St, a single family home, is owned by two individuals.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 5338 SWAINSONS CT, CONCORD, CA 94521-5516 |
| Owner Type | Individual |
| Vesting | Community Property |
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 | 2 Names on Deed |
|---|---|
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 4015 Denver St was $4,988.
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 | $367,657 (+2%) Land $142,963 Building $224,694 | |
| 2025 | $4,988.00 | $360,449 Land $140,160 Building $220,289 |
| 2023 | $4,749.00 (+1.65%) | $346,454 Land $134,718 Building $211,736 |
| 2022 | $4,672.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 4015 Denver St in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective October 12, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
The area around 4015 Denver St has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within 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 582 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 |
May also be available: Sonic Telecom.
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