Contra Costa County property record for 3597 Walnut St, Lafayette, CA 94549
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 1,194 sqft · built 1951 |
| Lot Size | 0.191 acres (8,316 sqft) |
| Owner | Company Name on File |
| Last Sale | $340,000 (Jan 2000) |
| Tax Bill | $7,816 (2025) |
| Flood Zone | Zone AE (high risk) |
| APN | 243-090-002-3 |
| Primary APN | 243-090-002-3 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 1 Room |
| Stories | 1 Story |
| Building Area | 1,194 sqft Living Area |
| 1st Floor Area | 1,194 sqft |
| Year Built | Built 1951 |
|---|---|
| Effective Year Built | Effective 1951 |
| Lot Area | 8,316 sqft (0.191 acres) |
| Garage Type | Carport |
| Carport | Carport |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 3597 WALNUT ST |
|---|---|
| City | LAFAYETTE |
| State | CA |
| Zip | 94549-4218 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | BICKERSTAFF TR POR LOTS 16 & 17 BLK 4 |
| Legal Subdivision | BICKERSTAFF |
| Legal Block | 4 |
| Legal Lot Number | 16,17 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1009 |
| Census Tract | 350000 |
Source: Contra Costa County assessment roll, 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 | Company Name on File |
|---|---|
| Mailing Address | PO BOX 1696, LAFAYETTE, CA 94549-1696 |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Jan 5, 2000 · Amount on Record |
| Deed Sale | Jan 5, 2000 · Amount on Record |
| Deed Document Number | 20001967 |
| Last Transfer Date | Jan 25, 2007 |
| Transfer Doc | 0000037779 |
| 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 | Lafayette City |
| Secondary School District | Acalanes Union High School District (09 - 12) |
| Elementary School District | Lafayette Elementary School District (KG - 08) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $532,999 (+2%) Land $352,725 Building $180,274 | |
| 2025 | $7,816.00 (+3.76%) | $522,549 (+4.04%) Land $345,809 Building $176,740 |
| 2023 | $7,533.00 (+1.59%) | $502,260 Land $332,382 Building $169,878 |
| 2022 | $7,415.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
Source: FEMA National Flood Hazard Layer, effective October 12, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone AE high risk |
|---|---|
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | No |
| Base Flood Elevation | Varies along the reach; see FIRM |
| Flood Insurance Requirement | Required federally backed loans |
| Flood Insurance Cost | Premium on Record median of 25 individual policies |
| Nearby Flood Policies | 63 units insured incl. 38 condo units |
| Nearby Flood Claims | 9 (1987–2001) |
| Claims Outside the SFHA | 1 of 9 |
| Most Recent Claim | Dec 2001 · rainfall accumulation |
| Claims by Event |
|
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 80% of the US · lower than 88% of California |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | None beyond ember reach |
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | EAST BAY MUD serves 1,468,000 people · EPA ID CA0110005 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Dec 2021 |
| Lead | Under 1 ppb (2022–2024) 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. This system sells water to local utilities; the supplier billing this address may be one of them.
Source: FCC Broadband Data Collection, based on 459 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: AT&T, T-Mobile USA.
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