Contra Costa County property record for 173 Brandywine Pl, Clayton, CA 94517
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 3,030 sqft · built 1999 |
| Lot Size | 0.296 acres (12,900 sqft) |
| Owner | 2 Company Names on Record |
| Last Sale | $1,610,000 (Jun 2024) |
| Tax Bill | $19,798 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 118-510-021-9 |
| Primary APN | 118-510-021-9 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 9 Rooms |
| Stories | 1 Story |
| Building Area | 3,030 sqft Living Area |
| 1st Floor Area | 3,030 sqft |
| Year Built | Built 1999 |
|---|---|
| Effective Year Built | Effective 2000 |
| Lot Area | 12,900 sqft (0.296 acres) |
| Garage Type | Attached |
| Garage Area | 707 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 173 BRANDYWINE PL |
|---|---|
| City | CLAYTON |
| State | CA |
| Zip | 94517-2220 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T7255 L37 |
| Legal Subdivision | SUBDIVISION 7255 |
| Legal Tract | 7255 |
| Legal Lot Number | 37 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1000 |
| Census Tract | 355308 |
Source: Contra Costa County records, as of July 14, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | 2 Company Names on Record |
|---|---|
| Mailing Address | 1547 PALOS VERDES MALL, WALNUT CREEK, CA 94597-2228 |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jun 7, 2024 · Amount on Record |
| Deed Sale | Jun 7, 2024 · Amount on Record |
| Prior Sale | Apr 20, 2000 · Amount on Record |
| Deed Document Number | 202453989 |
| Prior Transfer Date | Feb 5, 2001 |
| Prior Transfer Doc | 0000100244 |
| Record Updated | Oct 29, 2026 |
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Clayton City |
| Unified School District | Mount Diablo Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $1,675,044 (+2%) Land $936,360 Building $738,684 | |
| 2025 | $19,798.00 (+109.44%) | $1,642,200 (+119.48%) Land $918,000 Building $724,200 |
| 2023 | $9,453.00 (-0.02%) Homeowner's exemption | $748,234 Land $384,091 Building $364,143 |
| 2022 | $9,455.00 |
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 · 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 | 4 in force |
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 | High above 86% of the US · above 67% of California |
|---|---|
| Wildfire Likelihood | 0.8% 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 | CONTRA COSTA WATER DISTRICT serves 210,500 people · EPA ID CA0710003 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Jan 2022 |
| Lead | Under 1 ppb (2026–2028) 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.
Source: FCC Broadband Data Collection, based on 139 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber | 5,000 / 5,000 |
| Xfinity Cable | 1,200 / 35 |
May also be available: Unwired, Verizon.
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