Contra Costa County property record for 3577 Brook St, Lafayette, CA 94549
| Property Type | Duplex |
|---|---|
| Details | 5 bd · 4 ba · 2,780 sqft · built 1965 |
| Lot Size | 0.15 acres (6,534 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $1,850,000 (Apr 2022) |
| Tax Bill | $23,973 (2025) |
| Deeds & Mortgages | Apr 2022 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 241-200-006-5 |
| Primary APN | 241-200-006-5 |
|---|---|
| Alternative APN |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 4 Baths |
| Total Rooms | 18 Rooms |
| Stories | 1 Story |
| Building Area | 2,780 sqft Living Area |
| 1st Floor Area | 2,780 sqft |
| Year Built | Built 1965 |
|---|---|
| Effective Year Built | Effective 1966 |
| Architectural Style | Duplex Single |
| Lot Area | 6,534 sqft (0.15 acres) |
| Garage Type | Attached |
| Garage Area | 418 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 3577 BROOK ST |
|---|---|
| City | LAFAYETTE |
| State | CA |
| Zip | 94549-4948 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Legal Description | POR RO ACALANES |
| Legal Subdivision | ACALANES RHO |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1006 |
| 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 | 3411 LANAI DR, SAN RAMON, CA 94582-1415 |
| Owner Type | Individual |
| Vesting | Community Property |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Apr 22, 2022 · Amount on Record |
| Deed Sale | Apr 22, 2022 · Amount on Record |
| Deed Document Number | 202269802 |
| Record Updated | Sep 20, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Apr 22, 2022 |
| Property Address | 3577 BROOK ST, LAFAYETTE, CA 94549-4948 |
| Document Number | 0000069802 |
| Instrument Date | Apr 20, 2022 |
| Instrument | 2022-069802 |
| Transaction Type | Transfer |
| Record Updated | Nov 3, 2022 |
| Title Company | PLACER TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property |
| Address | 3577 BROOK ST, LAFAYETTE, CA 94549-4948 |
| Document Number | 0000069803 |
|---|---|
| Date | Apr 22, 2022 |
| Instrument | 2022-069803 |
| Name | WELLS FARGO BANK NA |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | May 1, 2052 |
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 | $2,002,497 (+2%) Land $1,515,404 Building $487,093 | |
| 2025 | $23,973.00 (+3.18%) | $1,963,234 (+4.04%) Land $1,485,691 Building $477,543 |
| 2023 | $23,234.00 (+18.14%) | $1,887,000 Land $1,428,000 Building $459,000 |
| 2022 | $19,667.00 |
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 | 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 459 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 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: AT&T, T-Mobile.
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