Contra Costa County property record for 203 Oak Cir, Walnut Creek, CA 94597
| Property Type | Condominium |
|---|---|
| Details | 4 bd · 3.5 ba · 1,830 sqft · built 2023 |
| Lot Size | 0.019 acres (832 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $1,282,500 (Aug 2024) |
| Tax Bill | $15,718 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 172-350-050-8 |
| Primary APN | 172-350-050-8 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 7 Rooms |
| Stories | 2 Stories |
| Building Area | 1,830 sqft Living Area |
| 1st Floor Area | 738 sqft |
| 2nd Floor Area | 759 sqft |
| Basement Area | 333 sqft |
| Year Built | Built 2023 |
|---|---|
| Effective Year Built | Effective 2024 |
| Architectural Style | Condo/Apartment |
| Lot Area | 832 sqft (0.019 acres) |
| Garage Type | Attached |
| Garage Area | 476 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 203 OAK CIR |
|---|---|
| City | WALNUT CREEK |
| State | CA |
| Zip | 94597-3315 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Condominium |
| Legal Description | T9559 L11 U118 |
| Legal Tract | 9559 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 5 |
| Census Block | 5002 |
| Census Tract | 338203 |
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 | 203 OAK CIR, WALNUT CREEK, CA 94597-3315 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Aug 5, 2024 · Amount on Record |
| Deed Sale | Aug 5, 2024 · Amount on Record |
| Deed Document Number | 202475348 |
| Record Updated | Sep 20, 2026 |
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Secondary School District | Acalanes Union High School District (09 - 12) |
| Elementary School District | Walnut Creek Elementary School District (KG - 08) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $1,120,000 Land $724,891 Building $395,109 | |
| 2025 | $15,718.00 |
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
| 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within 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 302 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable · Fiber in parts of the area | 2,000 / 2,000 |
| 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 |
May also be available: AT&T, Sonic Telecom.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures