Contra Costa County property record for 3450 Walnut Ave, Concord, CA 94519 · Last verified July 2026
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 1,947 sqft · built 1988 |
| Lot Size | 0.189 acres (8,250 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $330,000 (Oct 2011) |
| Tax Bill | $5,507 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 113-360-001-3 |
| Primary APN | 113-360-001-3 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 1,947 sqft Living Area |
| 1st Floor Area | 1,039 sqft |
| 2nd Floor Area | 908 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1988 |
|---|---|
| Effective Year Built | Effective 1988 |
| Lot Area | 8,250 sqft (0.189 acres) |
| Garage Type | Attached |
| Garage Area | 443 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Street Address | 3450 WALNUT AVE |
|---|---|
| City | CONCORD |
| State | CA |
| Zip | 94519-2400 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T6875 L1 |
| Legal Tract | 6875 |
| Legal Lot Number | 1 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 5 |
| Census Block | 5004 |
| Census Tract | 331000 |
Source: Contra Costa County records · APN 113-360-001-3
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 | 3450 WALNUT AVE, CONCORD, CA 94519-2400 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Oct 13, 2011 · Amount on Record |
| Deed Sale | Oct 13, 2011 · Amount on Record |
| Prior Sale | Jan 18, 2011 · Amount on Record |
| Deed Document Number | 2011213058 |
| Prior Transfer Date | Oct 08, 2003 |
| Prior Transfer Doc | 0000525250 |
| 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 | $422,775 (+2%) Land $166,545 Building $256,230 | |
| 2025 | $5,507.00 (+4.98%) Homeowner's exemption | $414,486 (+4.04%) Land $163,280 Building $251,206 |
| 2023 | $5,246.00 (+1.59%) Homeowner's exemption | $398,393 Land $156,941 Building $241,452 |
| 2022 | $5,164.00 |
Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060133310005, 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 | 3 in force |
| 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 505 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Sonic Telecom | Fiber | 10,000 / 10,000 |
| Xfinity | Cable | 2,000 / 250 |
| Radiate Holdings | Cable | 1,500 / 50 |
| Unwired | Fixed Wireless | 300 / 25 |
| Verizon | Fixed Wireless | 300 / 20 |
| T-Mobile USA | Fixed Wireless | 100 / 20 |
| AT&T | DSL | 100 / 20 |
May also be available at this address: AT&T. Availability varies by address; speeds are provider-advertised maximums, not measured.
5G and 4G LTE
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