Contra Costa County property record for 3437 Walnut Ave, Concord, CA 94519
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 3,225 sqft · built 1983 |
| Lot Size | 0.32 acres (13,950 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $800,000 (Aug 2014) |
| Tax Bill | $4,967 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 113-141-063-9 |
| Primary APN | 113-141-063-9 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 10 Rooms |
| Stories | 2 Stories |
| Building Area | 3,225 sqft Living Area |
| 1st Floor Area | 1,861 sqft |
| 2nd Floor Area | 1,364 sqft |
| Year Built | Built 1983 |
|---|---|
| Effective Year Built | Effective 1984 |
| Lot Area | 13,950 sqft (0.32 acres) |
| Garage Type | Attached |
| Garage Area | 528 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 3437 WALNUT AVE |
|---|---|
| City | CONCORD |
| State | CA |
| Zip | 94519-2435 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10 |
| Legal Description | PCL MAP 91 PG 30 PCL B |
| Legal Tract | 91PM30 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 5 |
| Census Block | 5000 |
| Census Tract | 331000 |
Source: Contra Costa County records, as of July 14, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on Record |
|---|---|
| Mailing Address | 3437 WALNUT AVE, CONCORD, CA 94519-2435 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Aug 5, 2014 · Amount on Record |
| Deed Sale | Aug 5, 2014 · Amount on Record |
| Deed Document Number | 2014130107 |
| Record Updated | Sep 20, 2026 |
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 | $373,002 (+2%) Land $56,598 Building $316,404 | |
| 2025 | $4,967.00 (+5.12%) Homeowner's exemption | $365,689 (+4.04%) Land $55,489 Building $310,200 |
| 2023 | $4,725.00 (+1.66%) Homeowner's exemption | $351,490 Land $53,335 Building $298,155 |
| 2022 | $4,648.00 |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 97% of the US · lower than 97.8% 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 505 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Sonic Telecom Fiber | 10,000 / 10,000 |
| 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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