Contra Costa County property record for 3615 Walnut St, Lafayette, CA 94549 · Last verified July 2026
| Property Type | Triplex |
|---|---|
| Details | 1,965 sqft · built 1970 |
| Lot Size | 0.188 acres (8,200 sqft) |
| Owner | 2 Company Names on File |
| Tax Bill | $4,352 (2025) |
| Flood Zone | Zone AE (high risk) |
| APN | 243-090-034-6 |
| Primary APN | 243-090-034-6 |
|---|---|
| Alternative APN |
|
| Total Rooms | 3 Rooms |
|---|---|
| Stories | 1 Story |
| Building Area | 1,965 sqft Living Area |
| 1st Floor Area | 1,965 sqft |
| Year Built | Built 1970 |
|---|---|
| Effective Year Built | Effective 1970 |
| Architectural Style | Triplex |
| Lot Area | 8,200 sqft (0.188 acres) |
| Parking Spaces | 3 Parking Spaces |
| Street Address | 3615 WALNUT ST |
|---|---|
| City | LAFAYETTE |
| State | CA |
| Zip | 94549-4275 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Triplex |
| Legal Description | BICKERSTAFF TR POR LOT 20 BLK 4 |
| Legal Subdivision | GREENFIELD |
| Legal Block | 4 |
| Legal Lot Number | 20 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1009 |
| Census Tract | 350000 |
Source: Contra Costa County records · APN 243-090-034-6
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 Company Names on File |
|---|---|
| Mailing Address | PO BOX 1696, LAFAYETTE, CA 94549-1696 |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Transfer Date | Nov 29, 2005 |
| Transfer Doc | 0000465075 |
| 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 | Lafayette City |
| Secondary School District | Acalanes Union High School District (09 - 12) |
| Elementary School District | Lafayette Elementary School District (KG - 08) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $170,065 (+2%) Land $53,595 Building $116,470 | |
| 2025 | $4,352.00 (+3.64%) | $166,732 (+4.04%) Land $52,545 Building $114,187 |
| 2023 | $4,199.00 (-5.68%) | $160,259 Land $50,505 Building $109,754 |
| 2022 | $4,452.00 |
Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060133500001, 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 AE |
|---|---|
| Special Flood Hazard Area | Yes |
| Flood Hazard | High |
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | Yes |
| Base Flood Elevation | Varies along the reach; see FIRM |
| Flood Insurance Requirement | Required (federally backed mortgages) |
| Flood Insurance Cost | Premium on Record median of 25 individual NFIP policies nearby |
| Nearby Flood Policies | 63 units insured 38 under condo master policies |
| Nearby Flood Claims | 9 (1987–2001) |
| Claims Outside the SFHA | 1 of 9 |
| Most Recent Claim | Dec 2001, rainfall accumulation |
| Claims By Storm |
|
| 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 459 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Xfinity | Cable | 2,000 / 250 |
| Unwired | Fixed Wireless | 300 / 25 |
| Verizon | Fixed Wireless | 300 / 20 |
May also be available at this address: AT&T, T-Mobile USA. Availability varies by address; speeds are provider-advertised maximums, not measured.
5G and 4G LTE
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