Contra Costa County property record for 8 Diablo Cir, Lafayette, CA 94549
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.5 ba · 2,384 sqft · built 1941 |
| Lot Size | 0.629 acres (27,400 sqft) |
| Owner | Company Name on Record |
| Last Sale | $1,006,000 (May 2004) |
| Tax Bill | $17,616 (2025) |
| Deeds & Mortgages | Jul 2021 Line of Credit Jul 2021 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 251-091-011-6 |
| Primary APN | 251-091-011-6 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 9 Rooms |
| Stories | 2 Stories |
| Building Area | 2,384 sqft Living Area |
| 1st Floor Area | 1,878 sqft |
| 2nd Floor Area | 506 sqft |
| Year Built | Built 1941 |
|---|---|
| Effective Year Built | Effective 1950 |
| Lot Area | 27,400 sqft (0.629 acres) |
| Garage Type | Attached |
| Garage Area | 576 sqft |
| Parking Spaces | 2 Parking Spaces |
| Heating System | Central |
|---|
| Street Address | 8 DIABLO CIR |
|---|---|
| City | LAFAYETTE |
| State | CA |
| Zip | 94549-3316 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10 |
| Legal Description | HIDDEN VALLEY ESTATES #1 LOT 19 |
| Legal Subdivision | HIDDEN VALLEY ESTATES #1 |
| Legal Lot Number | 19 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1000 |
| Census Tract | 353002 |
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 | Company Name on Record |
|---|---|
| Mailing Address | 8 DIABLO CIR, LAFAYETTE, CA 94549-3316 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Date | Document |
|---|---|
| Jul 21, 2021 | Deed of Trust, Mortgage · Line of Credit QUICKEN LOANS LLC |
| Jul 1, 2021 | Deed of Trust, Mortgage · Conventional Mortgage QUICKEN LOANS LLC |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | May 27, 2004 · Amount on Record |
| Deed Sale | May 27, 2004 · Amount on Record |
| Deed Document Number | 2004200864 |
| Last Transfer Date | Aug 18, 2016 |
| Transfer Doc | 0000188791 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 8 DIABLO CIR, LAFAYETTE, CA 94549-3316 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Name | Verified Name |
|---|
| Document Number | 0000205920 |
|---|---|
| Date | Jul 21, 2021 |
| Instrument | 2021-205920 |
| Name | QUICKEN LOANS LLC |
|---|---|
| Type | Mortgage Company |
| Address | DETROIT, MI 48226 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 348 Months |
| Due | Jul 5, 2050 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 8 DIABLO CIR, LAFAYETTE, CA 94549-3316 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | AMROCK INC |
| Name | Verified Name |
|---|---|
| Address | 8 DIABLO CIR, LAFAYETTE, CA 94549-3316 |
| Document Number | 0000188818 |
|---|---|
| Date | Jul 1, 2021 |
| Instrument | 2021-188818 |
| Name | QUICKEN LOANS LLC |
|---|---|
| Type | Mortgage Company |
| Address | DETROIT, MI 48226 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 349 Months |
| Due | Aug 1, 2050 |
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 | $1,458,911 (+2%) Land $1,015,151 Building $443,760 | |
| 2025 | $17,616.00 (+3.54%) Homeowner's exemption | $1,430,306 (+4.04%) Land $995,247 Building $435,059 |
| 2023 | $17,013.00 (+1.56%) Homeowner's exemption | $1,374,767 Land $956,601 Building $418,166 |
| 2022 | $16,752.00 |
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 100 ft |
| 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 99.1% of the US · lower than 99.2% of California |
|---|---|
| Wildfire Likelihood | Under 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 174 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.
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