Contra Costa County property record for 667 Byrdee Way, Lafayette, CA 94549
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 3 ba · 2,263 sqft · built 1968 |
| Lot Size | 0.227 acres (9,900 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $1,100,000 (Jun 2023) |
| Tax Bill | $14,050 (2025) |
| Deeds & Mortgages | Jun 2023 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 164-312-001-5 |
| Primary APN | 164-312-001-5 |
|---|---|
| Alternative APN |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 11 Rooms |
| Stories | 1 Story |
| Building Area | 2,263 sqft Living Area |
| 1st Floor Area | 1,483 sqft |
| Basement Area | 780 sqft |
| Year Built | Built 1968 |
|---|---|
| Effective Year Built | Effective 1969 |
| Lot Area | 9,900 sqft (0.227 acres) |
| Garage Type | Attached |
| Garage Area | 430 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 667 BYRDEE WAY |
|---|---|
| City | LAFAYETTE |
| State | CA |
| Zip | 94549-1701 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10 |
| Legal Description | TRACT 3543 42 |
| Legal Subdivision | SUBDIVISION 3543 |
| Legal Tract | 3543 |
| Legal Lot Number | 42 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1012 |
| Census Tract | 321103 |
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 | 667 BYRDEE WAY, LAFAYETTE, CA 94549-1701 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jun 1, 2023 · Amount on Record |
| Deed Sale | Jun 1, 2023 · Amount on Record |
| Deed Document Number | 202351895 |
| Prior Transfer Date | Feb 5, 2001 |
| Prior Transfer Doc | 0000027114 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Jun 1, 2023 |
| Property Address | 667 BYRDEE WAY, LAFAYETTE, CA 94549-1701 |
| Document Number | 0000051895 |
| Map Reference | MB 113 PG 31 |
| Instrument Date | May 24, 2023 |
| Instrument | 2023-051895 |
| Transaction Type | Transfer |
| Record Updated | Jun 9, 2023 |
| Title Company | OLD REPUBLIC TITLE, OLD REPUBLIC 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 with Right of Survivorship |
| Address | 667 BYRDEE WAY, LAFAYETTE, CA 94549-1701 |
| Document Number | 0000051896 |
|---|---|
| Date | Jun 1, 2023 |
| Instrument | 2023-051896 |
| Name | ROCKET MORTGAGE LLC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Jun 1, 2053 |
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Unified School District | Martinez Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $1,167,328 (+2%) Land $795,906 Building $371,422 | |
| 2025 | $14,050.00 (+5.94%) Homeowner's exemption | $1,144,440 (+839.9%) Land $780,300 Building $364,140 |
| 2023 | $13,262.00 (+527.94%) Homeowner's exemption | $121,762 Land $36,248 Building $85,514 |
| 2022 | $2,112.00 |
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
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 51% of the US · lower than 70% of California |
|---|---|
| Wildfire Likelihood | 0.1% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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 548 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 |
| AT&T DSL | 100 / 20 |
May also be available: T-Mobile.
5G (outdoors only) and 4G LTE
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