Contra Costa County property record for 10 Old Millstone Ln, Lafayette, CA 94549
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 2,838 sqft · built 1971 |
| Lot Size | 0.56 acres (24,393 sqft) |
| Owner | 2 Individual Names on Record |
| Tax Bill | $6,410 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 234-160-010 |
| Primary APN | 234-160-010 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 9 Rooms |
| Stories | 1 Story |
| Building Area | 2,838 sqft Living Area |
| Gross Area | 3,478 sqft |
| 1st Floor Area | 2,398 sqft |
| Basement Area | 440 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1971 |
|---|---|
| Effective Year Built | Effective 1980 |
| Architectural Style | Contemporary |
| Exterior Material | Wood Siding |
| Construction Type | Frame |
| Roof Material | Wood Shingle |
| Lot Area | 24,393 sqft (0.56 acres) |
| Lot Dimensions | 164 ft deep x 150 ft wide |
| Garage Type | Attached |
| Garage Area | 640 sqft |
| Parking Spaces | 2 Parking Spaces |
| Heating System | Forced Air with A/C |
|---|---|
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 10 OLD MILLSTONE LN |
|---|---|
| City | LAFAYETTE |
| State | CA |
| Zip | 94549-5110 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | RO COLORADOS POR LOTS 10 & 15 |
| Legal Subdivision | LAGUNA DE LOS PALOS COLORADOS |
| Legal Lot Number | 10,15 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2012 |
| Census Tract | 349000 |
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 | 10 OLD MILLSTONE LN, LAFAYETTE, CA 94549-5110 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | Apr 21, 2003 |
| Transfer Doc | 0000232562 |
| Record Updated | Sep 20, 2026 |
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 | $405,730 (+2%) Land $90,153 Building $315,577 | |
| 2025 | $6,410.00 (+3.87%) Homeowner's exemption | $397,776 (+4.04%) Land $88,386 Building $309,390 |
| 2023 | $6,171.00 (+1.61%) Homeowner's exemption | $382,331 Land $84,954 Building $297,377 |
| 2022 | $6,073.00 |
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 |
| Nearby Flood Policies | 3 in force |
| Nearby Flood Claims | 5 (1982–2023) |
| Claims Outside the SFHA | 1 of 5 |
| Most Recent Claim | Jan 2023 · Severe Winter Storms, Flooding, Landslides, And Mudslides |
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 62% of the US · lower than 77% of California |
|---|---|
| Wildfire Likelihood | 0.04% annual chance |
| Exposure | Direct burnable vegetation |
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 238 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: Etheric Networks.
5G (outdoors only) and 4G LTE
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