Contra Costa County property record for 3291 Walnut Ln, Lafayette, CA 94549
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 2,088 sqft · built 1950 |
| Lot Size | 0.207 acres (9,000 sqft) |
| Owner | Company Name on File |
| Tax Bill | $8,158 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 236-131-002-8 |
| Primary APN | 236-131-002-8 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 2,088 sqft Living Area |
| 1st Floor Area | 2,088 sqft |
| Year Built | Built 1950 |
|---|---|
| Effective Year Built | Effective 1964 |
| Lot Area | 9,000 sqft (0.207 acres) |
| Garage Type | Attached |
| Garage Area | 369 sqft |
| Parking Spaces | 1 Parking Space |
| Street Address | 3291 WALNUT LN |
|---|---|
| City | LAFAYETTE |
| State | CA |
| Zip | 94549-5307 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | ST MARYS ESTATES LOT 117 |
| Legal Subdivision | ST MARYS ESTATES |
| Legal Lot Number | 117 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 3 |
| Census Block | 3007 |
| Census Tract | 351200 |
Source: Contra Costa County records · APN 236-131-002-8
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 | 3291 WALNUT LN, LAFAYETTE, CA 94549-5307 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Transfer Date | Sep 01, 2015 |
| Transfer Doc | 0000233648 |
| 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 | $572,281 (+2%) Land $260,296 Building $311,985 | |
| 2025 | $8,158.00 (+3.78%) Homeowner's exemption | $561,061 (+4.04%) Land $255,193 Building $305,868 |
| 2023 | $7,861.00 (+1.6%) Homeowner's exemption | $539,277 Land $245,285 Building $293,992 |
| 2022 | $7,737.00 |
Source: FEMA National Flood Hazard Layer as of October 12, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on Record median of 12 policies |
| Nearby Flood Policies | 12 in force |
| Nearby Flood Claims | 5 (1980–1995) |
| Claims Outside the SFHA | 1 of 5 |
| Most Recent Claim | Jan 1995 · Severe Winter Storms, Flooding, Landslides, Mud Flows |
| Wildfire Risk | Moderate above 57% of the US · lower than 66% of California |
|---|---|
| Wildfire Likelihood | 0.2% annual chance |
| 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 as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: Etheric Communications, LLC., T-Mobile USA.
Based on FCC filings for 221 locations within half a mile of this property.
Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | EAST BAY MUD serves 1,468,000 people |
|---|---|
| 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 as reported to EPA, 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. The full violation and enforcement history is in the system's EPA record.
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