Contra Costa County property record for 6 Blackthorn Rd, Lafayette, CA 94549
| Property Type | Single Family Home |
|---|---|
| Details | 6 bd · 3 ba · 3,031 sqft · built 1957 |
| Lot Size | 0.82 acres (35,719 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $2,017,000 (Sep 2022) |
| Tax Bill | $24,942 (2025) |
| Deeds & Mortgages | Sep 2022 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 251-030-032-6 |
| Primary APN | 251-030-032-6 |
|---|---|
| Alternative APN |
|
| Bedrooms | 6 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 11 Rooms |
| Stories | 1 Story |
| Building Area | 3,031 sqft Living Area |
| 1st Floor Area | 3,031 sqft |
| Year Built | Built 1957 |
|---|---|
| Effective Year Built | Effective 1957 |
| Lot Area | 35,719 sqft (0.82 acres) |
| Garage Type | Attached |
| Garage Area | 1,117 sqft |
| Parking Spaces | 4 Parking Spaces |
| Street Address | 6 BLACKTHORN RD |
|---|---|
| City | LAFAYETTE |
| State | CA |
| Zip | 94549-3307 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10 |
| Legal Description | RO ACALANES |
| Legal Subdivision | ACALANES RHO |
| Legal Lot Number | 36-38 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1003 |
| Census Tract | 353002 |
6 Blackthorn Rd is owned and occupied by two individuals who bought it in September 2022.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 6 BLACKTHORN RD, LAFAYETTE, CA 94549-3307 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
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 | 2 Names on Deed |
|---|---|
| Last Sale | Sep 7, 2022 · Amount on File |
| Deed Sale | Sep 7, 2022 · Amount on File |
| Deed Document Number | 2022136608 |
| Prior Transfer Date | May 31, 2013 |
| Prior Transfer Doc | 0000180660 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Sep 7, 2022 |
| Property Address | 6 BLACKTHORN RD, LAFAYETTE, CA 94549-3307 |
| Document Number | 0000136608 |
| Instrument Date | Sep 2, 2022 |
| Instrument | 2022-136608 |
| Transaction Type | Transfer |
| Record Updated | Nov 3, 2022 |
| Title Company | OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY |
| Amount | Amount on Record |
|---|---|
| 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 | 6 BLACKTHORN RD, LAFAYETTE, CA 94549-3307 |
| Document Number | 0000136609 |
|---|---|
| Date | Sep 7, 2022 |
| Instrument | 2022-136609 |
| Name | GOOGAIN INC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Oct 1, 2052 |
The 2025 property tax bill for 6 Blackthorn Rd was $24,942.
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 | $2,140,242 (+2%) Land $1,697,932 Building $442,310 | |
| 2025 | $24,942.00 | $2,098,278 Land $1,664,640 Building $433,638 |
| 2023 | $24,104.00 (+416.04%) | $2,016,800 Land $1,600,000 Building $416,800 |
| 2022 | $4,671.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 6 Blackthorn Rd in Zone X, an area of minimal flood risk, though there have been 10 flood claims nearby since 1978.
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 |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 3 in force |
| Nearby Flood Claims | 10 (1978–2001) |
| Claims Outside the SFHA | 7 of 10 |
| Most Recent Claim | Mar 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 6 Blackthorn Rd is low, with a 0.02% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 94% of the US · lower than 96% of California |
|---|---|
| Wildfire Likelihood | 0.02% 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 180 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 |
May also be available: AT&T, Etheric Networks, Verizon.
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