Contra Costa County property record for 3899 Walnut Ave, Concord, CA 94519 · Last verified July 2026
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,752 sqft · built 1961 |
| Lot Size | 0.328 acres (14,300 sqft) |
| Owner | Company Name on File |
| Last Sale | $475,000 (Jul 2003) |
| Tax Bill | $8,704 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 114-350-049-2 |
| Primary APN | 114-350-049-2 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,752 sqft Living Area |
| 1st Floor Area | 1,752 sqft |
| Year Built | Built 1961 |
|---|---|
| Effective Year Built | Effective 1961 |
| Lot Area | 14,300 sqft (0.328 acres) |
| Garage Type | Attached |
| Garage Area | 400 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|
| Street Address | 3899 WALNUT AVE |
|---|---|
| City | CONCORD |
| State | CA |
| Zip | 94519-1934 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | TRACT 2842 3 |
| Legal Tract | 2842 |
| Legal Lot Number | 3 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2006 |
| Census Tract | 331000 |
Source: Contra Costa County records · APN 114-350-049-2
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 | Company Name on File |
|---|---|
| Mailing Address | 3899 WALNUT AVE, CONCORD, CA 94519-1934 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Jul 30, 2003 · Amount on Record |
| Deed Sale | Jul 30, 2003 · Amount on Record |
| Prior Sale | Jun 10, 1997 · Amount on Record |
| Deed Document Number | 2003369138 |
| Transfer Doc | 0000098822 |
| 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 | $724,349 (+2%) Land $416,930 Building $307,419 | |
| 2025 | $8,704.00 (+4.58%) Homeowner's exemption | $710,147 (+4.04%) Land $408,755 Building $301,392 |
| 2023 | $8,323.00 (+1.34%) Homeowner's exemption | $682,574 Land $392,884 Building $289,690 |
| 2022 | $8,213.00 |
Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060133310002, 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 |
| Flood Insurance Cost | Premium on Record median of 12 individual NFIP policies nearby |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 12 in force |
| Nearby Flood Claims | 6 (1982–2014) |
| Claims Outside the SFHA | 1 of 6 |
| Most Recent Claim | Dec 2014, rainfall accumulation |
| 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 582 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| 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, Sonic Telecom. Availability varies by address; speeds are provider-advertised maximums, not measured.
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