Contra Costa County property record for 3621 Chestnut St, Lafayette, CA 94549
| Property Type | Duplex |
|---|---|
| Details | 1,426 sqft · built 1946 |
| Lot Size | 0.105 acres (4,550 sqft) |
| Owner | Company Name on File |
| Last Sale | $780,000 (May 2014) |
| Tax Bill | $13,379 (2025) |
| Deeds & Mortgages | Apr 2017 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 243-101-021 |
| Primary APN | 243-101-021 |
|---|---|
| Alternative APN |
|
| Total Rooms | 2 Rooms |
|---|---|
| Stories | 1 Story |
| Building Area | 1,426 sqft Living Area |
| 1st Floor Area | 1,426 sqft |
| Year Built | Built 1946 |
|---|---|
| Effective Year Built | Effective 1980 |
| Architectural Style | Duplex Single |
| Lot Area | 4,550 sqft (0.105 acres) |
| Garage Type | Carport |
| Carport | Carport |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 3621 CHESTNUT ST |
|---|---|
| City | LAFAYETTE |
| State | CA |
| Zip | 94549-4440 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Legal Description | BICKERSTAFF TR POR LOT 31 BLK 3 |
| Legal Subdivision | BICKERSTAFF |
| Legal Block | 3 |
| Legal Lot Number | 31 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1008 |
| Census Tract | 350000 |
3621 Chestnut St, a duplex, is owned by a company that bought it in May 2014.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 3529 VILLERO CT, PLEASANTON, CA 94566-2108 |
| Owner Type | Company |
| Vesting | Company |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Last Sale | May 7, 2014 · Amount on File |
| Deed Sale | May 7, 2014 · Amount on File |
| Prior Sale | Jul 17, 2009 · Amount on File |
| Deed Document Number | 201471656 |
| Prior Transfer Date | Dec 20, 2013 |
| Prior Transfer Doc | 0000294810 |
| Record Updated | Oct 29, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Apr 14, 2017 |
| Property Address | 3621 CHESTNUT ST, LAFAYETTE, CA 94549-4440 |
| Document Number | 0000064957 |
| Instrument Date | Mar 30, 2017 |
| Instrument | 64957 |
| Transaction Type | Transfer |
| Record Updated | May 1, 2017 |
| Title Company | ATTORNEY ONLY |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Company |
The 2025 property tax bill for 3621 Chestnut St was $13,379.
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 | $1,123,185 (+17.47%) Land $625,186 Building $497,999 | |
| 2025 | $13,379.00 | $956,163 Land $612,928 Building $343,235 |
| 2023 | $12,659.00 (+0.92%) | $919,035 Land $589,128 Building $329,907 |
| 2022 | $12,544.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 3621 Chestnut St in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
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 File 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.
Wildfire risk around 3621 Chestnut St is low, with a 0.01% annual chance of wildfire.
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.
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