Contra Costa County property record for 209 Roundhill Pl, Clayton, CA 94517 · Last verified July 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 3 Beds |
| Bathrooms | 3 Baths |
| Year Built | Built 1979 |
| Square Footage | 3,697 sqft Living Area |
| Lot Size | 29,640 sqft (0.68 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $575,000 (1996) |
| Tax Bill | $11,831.00 (2025) |
| Primary APN | 119-361-006-8 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 11 Rooms |
| Building Area | 3,697 sqft Living Area |
| 1st Floor | 2,077 sqft 1st Floor |
| 2nd Floor | 1,620 sqft 2nd Floor |
| Stories | 2 Stories |
| Year Built | Built 1978 |
|---|---|
| Effective Year Built | Effective 1979 |
| Lot Area | 29,640 sqft (0.68 acres) |
| Parking Spaces | 4 Parking Spaces |
| Garage Type | Attached Garage |
| Garage Area | 900 sqft Garage |
| Street Address | 209 ROUNDHILL PL |
|---|---|
| City | CLAYTON |
| State | CA |
| Zip | 94517-1318 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | T04451 L0009 B EX 1/2 MR |
| Legal Tract | 04451 |
| Legal Lot Number | 9 |
| Jurisdiction | CONTRA COSTA CA |
| Minor Civil Division | CENTRAL CONTRA COSTA |
| Census Blockgroup | 3 |
| Census Block | 3008 |
| Census Tract | 355306 |
Source: Contra Costa County records · APN 119-361-006-8
Assessment roll updated July 14, 2026 · Last verified July 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 File |
|---|---|
| Mailing Address | 209 ROUNDHILL PL, CLAYTON, CA 94517-1318 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Vesting | Joint Tenants |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Feb 29, 1996 · Amount on Record |
| Deed Sale | Feb 29, 1996 · Amount on Record |
| Deed Doc Number | 199636190 |
| Record Refreshed | Sep 20, 2026 |
Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Clayton City |
| Unified School District | Mount Diablo Unified School District (KG - 12) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $974,314 (+2%) Land $254,330 Building $719,984 | |
| 2025 | $11,831.00 (+4.36%) Homeowner's exemption | $955,211 (+4.04%) Land $249,344 Building $705,867 |
| 2023 | $11,337.00 (+1.26%) Homeowner's exemption | $918,120 Land $239,662 Building $678,458 |
| 2022 | $11,196.00 |
209 Roundhill Pl is in FEMA Zone X, outside the Special Flood Hazard Area, with indirect wildfire exposure (Moderate risk).
Source: FEMA National Flood Hazard Layer · Contra Costa County (06013C), updated October 12, 2026
| FEMA Flood Zone | Zone X minimal flood hazard · outside the 0.2% annual chance floodplain |
|---|---|
| Special Flood Hazard Area | No |
Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020
| Wildfire Risk to Homes | Moderate 52nd percentile of exposed land nationally · 31st in California |
|---|---|
| Wildfire Likelihood | Moderate — about 1 in 746 per year |
| Exposure | Indirect within ember reach of burnable land · adjoins burnable vegetation |
Values are read at the parcel center point; lenders make the official flood determination.
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