Contra Costa County property record for 339 Clarkin Ct, Walnut Creek, CA 94596
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.5 ba · 2,812 sqft · built 1989 |
| Lot Size | 0.46 acres (20,037 sqft) |
| Owner | 2 Company Names on Record |
| Last Sale | $515,000 (Mar 1996) |
| Tax Bill | $10,132 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 180-321-038-2 |
| Primary APN | 180-321-038-2 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 11 Rooms |
| Stories | 2 Stories |
| Building Area | 2,812 sqft Living Area |
| 1st Floor Area | 1,744 sqft |
| 2nd Floor Area | 1,068 sqft |
| Year Built | Built 1989 |
|---|---|
| Effective Year Built | Effective 1989 |
| Lot Area | 20,037 sqft (0.46 acres) |
| Garage Type | Attached |
| Garage Area | 636 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 339 CLARKIN CT |
|---|---|
| City | WALNUT CREEK |
| State | CA |
| Zip | 94596-6165 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R20 |
| Legal Description | T7074 L13 |
| Legal Subdivision | SUBDIVISION 7074 |
| Legal Tract | 7074 |
| Legal Lot Number | 13 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1001 |
| Census Tract | 343003 |
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 Company Names on Record |
|---|---|
| Mailing Address | 339 CLARKIN CT, WALNUT CREEK, CA 94596-6165 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust, Family Trust |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Mar 29, 1996 · Amount on Record |
| Deed Sale | Mar 29, 1996 · Amount on Record |
| Deed Document Number | 199656820 |
| Last Transfer Date | Jul 2, 2024 |
| Transfer Doc | 0000063209 |
| 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 | $872,637 (+2%) Land $338,883 Building $533,754 | |
| 2025 | $10,132.00 (+4.05%) Homeowner's exemption | $855,528 (+4.04%) Land $332,239 Building $523,289 |
| 2023 | $9,738.00 (+2.29%) Homeowner's exemption | $822,309 Land $319,339 Building $502,970 |
| 2022 | $9,520.00 |
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 |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on Record median of 25 policies |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 25 in force |
| Nearby Flood Claims | 6 (1982–2015) |
| Claims Outside the SFHA | 1 of 6 |
| Most Recent Claim | Feb 2015 · rainfall accumulation |
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 | Moderate above 66% of the US · above 41% of California |
|---|---|
| Wildfire Likelihood | 0.2% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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) |
|---|---|
| Sonic Telecom Fiber | 10,000 / 10,000 |
| Xfinity Cable | 2,000 / 250 |
| Astound Broadband Cable | 1,500 / 50 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
May also be available: Etheric Networks.
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