Contra Costa County property record for 242 Rosa Corte, Walnut Creek, CA 94598
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 2,089 sqft · built 1965 |
| Lot Size | 0.227 acres (9,900 sqft) |
| Owner | 2 Trust Names on File |
| Tax Bill | $3,499 (2025) |
| Deeds & Mortgages | Oct 2020 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 142-221-019-3 |
| Primary APN | 142-221-019-3 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 10 Rooms |
| Stories | 1 Story |
| Building Area | 2,089 sqft Living Area |
| Gross Area | 2,538 sqft |
| 1st Floor Area | 2,089 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1965 |
|---|---|
| Effective Year Built | Effective 1980 |
| Architectural Style | Ranch |
| Exterior Material | Stucco |
| Construction Type | Frame |
| Roof Material | Wood Shingle |
| Lot Area | 9,900 sqft (0.227 acres) |
| Garage Type | Attached |
| Garage Area | 449 sqft |
| Parking Spaces | 2 Parking Spaces |
| Deck Area | Deck Area |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 242 ROSA CORTE |
|---|---|
| City | WALNUT CREEK |
| State | CA |
| Zip | 94598-3520 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10 |
| Legal Description | TRACT 3026 LOT 55 EX MR |
| Legal Subdivision | SUBDIVISION 3026 |
| Legal Tract | 3026 |
| Legal Lot Number | 55 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1004 |
| Census Tract | 338301 |
242 Rosa Corte is owner-occupied and held in a trust since January 2008.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 242 ROSA CORTE, WALNUT CREEK, CA 94598-3520 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust, Family Revocable Trust |
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 Transfer Date | Jan 24, 2008 |
| Transfer Doc | 0000017127 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 242 ROSA CORTE, WALNUT CREEK, CA 94598-3520 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | SERVICELINK |
| Name | Verified Name |
|---|---|
| Address | 242 ROSA CORTE, WALNUT CREEK, CA 94598-3520 |
| Document Number | 0000226396 |
|---|---|
| Date | Oct 5, 2020 |
| Instrument | 2020-226396 |
| Name | BANK OF AMERICA NA |
|---|---|
| Type | Bank |
| Address | CHARLOTTE, NC 28255 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Oct 1, 2050 |
The 2025 property tax bill for 242 Rosa Corte was $3,499.
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Walnut Creek City |
| Unified School District | Mount Diablo Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $248,575 (+2%) Land $110,864 Building $137,711 | |
| 2025 | $3,499.00 Homeowner's exemption | $243,702 Land $108,691 Building $135,011 |
| 2023 | $3,343.00 (+0.91%) Homeowner's exemption | $234,240 Land $104,471 Building $129,769 |
| 2022 | $3,313.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 242 Rosa Corte in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective October 12, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Wildfire risk around 242 Rosa Corte 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 67% of the US · lower than 81% 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 | 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 295 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Astound Broadband Cable · Fiber in parts of the area | 1,500 / 50 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless · DSL | 100 / 20 |
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