Contra Costa County property record for 3637 Brook St, Lafayette, CA 94549
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1.5 ba · 1,545 sqft · built 1946 |
| Lot Size | 0.37 acres (16,117 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $1,310,000 (Jul 2023) |
| Tax Bill | $16,570 (2025) |
| Deeds & Mortgages | Aug 2023 Mortgage Jul 2023 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 241-100-024-9 |
| Primary APN | 241-100-024-9 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,545 sqft Living Area |
| 1st Floor Area | 1,545 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1946 |
|---|---|
| Effective Year Built | Effective 1960 |
| Architectural Style | Ranch |
| Exterior Material | Stucco |
| Construction Type | Frame |
| Roof Material | Composition Shingle |
| Lot Area | 16,117 sqft (0.37 acres) |
| View / Lot | Woodland |
| Garage Type | Detached |
| Garage Area | 361 sqft |
| Parking Spaces | 1 Parking Space |
| Heating System | Floor/Wall Furnace |
|---|---|
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 3637 BROOK ST |
|---|---|
| City | LAFAYETTE |
| State | CA |
| Zip | 94549-4234 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | RESUB LAFAYETTE HTS LOT 10 & TR ADJ |
| Legal Subdivision | RN BURGESS COS MAP/LAFAYETTE |
| Legal Lot Number | 10 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 4 |
| Census Block | 4008 |
| Census Tract | 350000 |
Source: Contra Costa County records, as of July 14, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 3637 BROOK ST, LAFAYETTE, CA 94549-4234 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
| Date | Document |
|---|---|
| Aug 22, 2023 | Deed of Trust, Mortgage · Conventional Mortgage BANK OF AMERICA NA |
| Jul 7, 2023 | Grant Deed, Transfer CHICAGO TITLE COMPANY |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jul 7, 2023 · Amount on File |
| Deed Sale | Jul 7, 2023 · Amount on File |
| Deed Document Number | 202364480 |
| Prior Transfer Date | Dec 23, 2022 |
| Prior Transfer Doc | 0000189436 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 3637 BROOK ST, LAFAYETTE, CA 94549-4234 |
| Transaction Type | Mortgage |
| Record Updated | Aug 31, 2023 |
| Title Company | WFG LENDER SERVICES |
| Name | Verified Name |
|---|---|
| Address | 3637 BROOK ST, LAFAYETTE, CA 94549-4234 |
| Document Number | 0000080819 |
|---|---|
| Date | Aug 22, 2023 |
| Instrument | 2023-080819 |
| Name | BANK OF AMERICA NA |
|---|---|
| Type | Bank |
| Address | CHARLOTTE, NC 28255 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Sep 1, 2053 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Jul 7, 2023 |
| Property Address | 3637 BROOK ST, LAFAYETTE, CA 94549-4234 |
| Document Number | 0000064480 |
| Map Reference | MB 23 PG 700&701 |
| Instrument Date | Jun 28, 2023 |
| Instrument | 2023-064480 |
| Transaction Type | Transfer |
| Record Updated | Jul 19, 2023 |
| Title Company | CHICAGO TITLE COMPANY |
| Amount | Amount on Record |
|---|---|
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property with Right of Survivorship |
| Address | 3637 BROOK ST, LAFAYETTE, CA 94549-4234 |
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 | $1,362,924 (+2%) Land $1,040,400 Building $322,524 | |
| 2025 | $16,570.00 (+360.02%) Homeowner's exemption | $1,336,200 (+794.28%) Land $1,020,000 Building $316,200 |
| 2023 | $3,602.00 (+57.43%) Homeowner's exemption | $149,417 (+2%) Land $59,157 Building $90,260 |
| 2022 | $2,288.00 Homeowner's exemption | $146,489 Land $57,998 Building $88,491 |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
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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