Contra Costa County property record for 3659 Walnut St, Lafayette, CA 94549
| Property Type | Apartments (5+ Units) |
|---|---|
| Details | 4,605 sqft · built 1979 |
| Lot Size | 0.28 acres (12,197 sqft) |
| Owner | Company Name on File |
| Last Sale | $1,380,000 (Oct 2009) |
| Tax Bill | $23,989 (2025) |
| Deeds & Mortgages | Sep 2020 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 243-090-031-2 |
| Primary APN | 243-090-031-2 |
|---|---|
| Alternative APN |
|
| Total Rooms | 5 Rooms |
|---|---|
| Stories | 1 Story |
| Building Area | 4,605 sqft Living Area |
| Gross Area | 2,393 sqft |
| 1st Floor Area | 2,393 sqft |
| Year Built | Built 1979 |
|---|---|
| Effective Year Built | Effective 1980 |
| Lot Area | 12,197 sqft (0.28 acres) |
| Street Address | 3653 WALNUT ST, 3659 |
|---|---|
| City | LAFAYETTE |
| State | CA |
| Zip | 94549-4257 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Apartments (5+ Units) |
| Legal Description | BICKERSTAFF TR LOT 26 BLK 3 & POR BLK 4 |
| Legal Subdivision | BICKERSTAFF |
| Legal Block | 3,4 |
| Legal Lot Number | 26 |
| 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 | 484 LAKE PARK AVE, OAKLAND, CA 94610-2730 |
| Owner Type | Company |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Oct 6, 2009 · Amount on Record |
| Deed Sale | Oct 6, 2009 · Amount on Record |
| Prior Sale | Nov 15, 2000 · Amount on Record |
| Deed Document Number | 2009235212 |
| Prior Transfer Date | Sep 27, 2005 |
| Prior Transfer Doc | 0000391850 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 3659 WALNUT ST, LAFAYETTE, CA 94549-4257 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | CHICAGO TITLE COMPANY |
| Name | Verified Name |
|---|
| Document Number | 0000192379 |
|---|---|
| Date | Sep 3, 2020 |
| Instrument | 2020-192379 |
| Name | JPMORGAN CHASE BANK NA |
|---|---|
| Type | Bank |
| Address | COPPELL, TX 75019 |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount Recorded |
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 | $1,850,700 (+3.89%) Land $624,240 Building $1,226,460 | |
| 2025 | $23,989.00 (+2.94%) | $1,781,326 (+4.04%) Land $645,406 Building $1,135,920 |
| 2023 | $23,304.00 (+0.64%) | $1,712,157 Land $620,345 Building $1,091,812 |
| 2022 | $23,155.00 |
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 AE, 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 | Moderate above 45% of the US · lower than 73% of California |
|---|---|
| Wildfire Likelihood | 0.08% 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 275 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 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
May also be available: Etheric Communications, LLC., T-Mobile USA, Verizon.
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