Contra Costa County property record for 3609 Brook St, Lafayette, CA 94549
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3.5 ba · 4,628 sqft · built 1978 |
| Lot Size | 0.527 acres (22,960 sqft) |
| Owner | 2 Companies on Record |
| Last Sale | $1,100,000 (Sep 2000) |
| Tax Bill | $20,082 (2025) |
| Deeds & Mortgages | Apr 2026 Sale Sep 2021 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 241-180-002-8 |
| Primary APN | 241-180-002-8 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 12 Rooms |
| Stories | 2 Stories |
| Building Area | 4,628 sqft Living Area |
| Gross Area | 5,079 sqft |
| 1st Floor Area | 2,319 sqft |
| 2nd Floor Area | 1,397 sqft |
| Basement Area | 912 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1978 |
|---|---|
| Effective Year Built | Effective 1979 |
| Architectural Style | Cape Cod |
| Exterior Material | Wood Siding |
| Construction Type | Frame |
| Roof Material | Wood Shingle |
| Lot Area | 22,960 sqft (0.527 acres) |
| Garage Type | Attached |
| Garage Area | 451 sqft |
| Parking Spaces | 2 Parking Spaces |
| Heating System | Forced Air with A/C |
|---|---|
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 3609 BROOK ST |
|---|---|
| City | LAFAYETTE |
| State | CA |
| Zip | 94549-4201 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | BICKERSTAFF TR LOT 64 BLK 8 |
| Legal Subdivision | BICKERSTAFF |
| Legal Block | 8 |
| Legal Lot Number | 64 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 4 |
| Census Block | 4008 |
| 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 | 2 Companies on Record |
|---|---|
| Mailing Address | 3607 BROOK ST, LAFAYETTE, CA 94549-4201 |
| Owner Type | Company |
| Vesting | Trust, Revocable Trust |
| Date | Document |
|---|---|
| Apr 23, 2026 | Grant Deed, Transfer NONE LISTED ON DOCUMENT |
| Sep 29, 2021 | Deed of Trust, Mortgage · Conventional Mortgage BANK OF AMERICA NA |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Sep 8, 2000 · Amount on Record |
| Deed Sale | Sep 8, 2000 · Amount on Record |
| Deed Document Number | 2000194476 |
| Last Transfer Date | Apr 21, 2026 |
| Transfer Doc | 0000041560 |
| Record Updated | Sep 20, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Apr 23, 2026 |
| Property Address | 3609 BROOK ST, LAFAYETTE, CA 94549-4201 |
| Document Number | 0000041560 |
| Instrument Date | Apr 21, 2026 |
| Instrument | 202641560 |
| Transaction Type | Transfer |
| Record Updated | Jul 12, 2026 |
| Title Company | NONE LISTED ON DOCUMENT |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 3607 BROOK ST, LAFAYETTE, CA 94549-4201 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 3609 BROOK ST, LAFAYETTE, CA 94549-4201 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Name | Verified Name |
|---|---|
| Address | 3609 BROOK ST, LAFAYETTE, CA 94549-4201 |
| Document Number | 0000270328 |
|---|---|
| Date | Sep 29, 2021 |
| Instrument | 2021-270328 |
| Name | BANK OF AMERICA NA |
|---|---|
| Type | Bank |
| Address | CHARLOTTE, NC 28255 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Oct 1, 2051 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 2.25% |
| Type Change Date | Oct 1, 2028 |
| Change Frequency | 6 Months |
| Min Rate At Change | 2.75% |
| Max Rate At Change | 7.25% |
| Index | Other |
| Max Rate | 7.25% |
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 | $1,690,662 (+2%) Land $524,098 Building $1,166,564 | |
| 2025 | $20,082.00 (+3.52%) Homeowner's exemption | $1,657,513 (+4.04%) Land $513,822 Building $1,143,691 |
| 2023 | $19,399.00 (+1.55%) Homeowner's exemption | $1,593,152 Land $493,871 Building $1,099,281 |
| 2022 | $19,102.00 |
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 |
| Nearby Flood Policies | 4 in force |
| Nearby Flood Claims | 6 (1983–1998) |
| Claims Outside the SFHA | 4 of 6 |
| Most Recent Claim | Feb 1998 · Severe Winter Storms And Flooding |
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 |
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 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 Networks, T-Mobile, Verizon.
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