Contra Costa County property record for 3640 Walnut St, Lafayette, CA 94549
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 1,156 sqft · built 1941 |
| Lot Size | 0.099 acres (4,300 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $325,000 (Feb 2000) |
| Tax Bill | $7,904 (2025) |
| Deeds & Mortgages | Oct 2020 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 243-101-007-9 |
| Primary APN | 243-101-007-9 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 2 Rooms |
| Stories | 1 Story |
| Building Area | 1,156 sqft Living Area |
| 1st Floor Area | 1,156 sqft |
| Year Built | Built 1941 |
|---|---|
| Effective Year Built | Effective 1941 |
| Lot Area | 4,300 sqft (0.099 acres) |
| Street Address | 3640 WALNUT ST |
|---|---|
| City | LAFAYETTE |
| State | CA |
| Zip | 94549-4221 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | BICKERSTAFF TR POR LOT 30 BLK 3 |
| Legal Subdivision | BICKERSTAFF |
| Legal Block | 3 |
| Legal Lot Number | 30 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1008 |
| Census Tract | 350000 |
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 | 2 Individual Names on Record |
|---|---|
| Mailing Address | 2201 OAKVALE RD, WALNUT CREEK, CA 94597-3925 |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Feb 25, 2000 · Amount on Record |
| Deed Sale | Feb 25, 2000 · Amount on Record |
| Deed Document Number | 200037200 |
| Last Transfer Date | Oct 14, 2020 |
| Transfer Doc | 0000241646 |
| Record Updated | Sep 20, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Oct 19, 2020 |
| Property Address | 3640 WALNUT ST, LAFAYETTE, CA 94549-4221 |
| Document Number | 0000241646 |
| Map Reference | MB 17 PG 355 |
| Instrument Date | Oct 14, 2020 |
| Instrument | 2020-241646 |
| Transaction Type | Transfer |
| Record Updated | Nov 3, 2022 |
| Title Company | COMMONWEALTH LAND TITLE CO |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 2201 OAKVALE RD, WALNUT CREEK, CA 94597-3925 |
| Document Number | 0000241647 |
|---|---|
| Date | Oct 19, 2020 |
| Instrument | 2020-241647 |
| Name | LAND-HOME FINANCIAL SERVICES |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Nov 1, 2050 |
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 | $509,484 (+2%) Land $337,047 Building $172,437 | |
| 2025 | $7,904.00 (+3.55%) | $499,495 (+4.04%) Land $330,439 Building $169,056 |
| 2023 | $7,633.00 (-2.57%) | $480,101 Land $317,608 Building $162,493 |
| 2022 | $7,834.00 |
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 X minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone AO, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| 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 |
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 | 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 291 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL · Fixed Wireless 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 Networks, T-Mobile.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures