Contra Costa County property record for 340 Clarkin Ct, Walnut Creek, CA 94596 · Last verified July 2026
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 2,546 sqft · built 1989 |
| Lot Size | 0.427 acres (18,600 sqft) |
| Owner | Company Name on File |
| Last Sale | $2,333,000 (May 2024) |
| Tax Bill | $24,070 (2025) |
| Deeds & Mortgages | Jun 2020 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 180-321-030-9 |
| Primary APN | 180-321-030-9 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 10 Rooms |
| Stories | 1 Story |
| Building Area | 2,546 sqft Living Area |
| 1st Floor Area | 2,546 sqft |
| Year Built | Built 1989 |
|---|---|
| Effective Year Built | Effective 1994 |
| Lot Area | 18,600 sqft (0.427 acres) |
| Garage Type | Attached |
| Garage Area | 661 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 340 CLARKIN CT |
|---|---|
| City | WALNUT CREEK |
| State | CA |
| Zip | 94596-6165 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T7074 L5 |
| Legal Subdivision | SUBDIVISION #7074 |
| Legal Tract | 7074 |
| Legal Lot Number | 5 |
| 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 · APN 180-321-030-9
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 | Company Name on File |
|---|---|
| Mailing Address | 340 CLARKIN CT, WALNUT CREEK, CA 94596-6165 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | May 20, 2024 · Amount on Record |
| Deed Sale | May 20, 2024 · Amount on Record |
| Deed Document Number | 202446987 |
| Record Updated | Sep 20, 2026 |
| Document Type | Affidavit of Death |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Jun 23, 2020 |
| Property Address | 340 CLARKIN CT, WALNUT CREEK, CA 94596-6165 |
| Document Number | 0000122237 |
| Instrument Date | May 28, 2020 |
| Instrument | 122237 |
| Transaction Type | Transfer |
| Record Updated | Jul 02, 2020 |
| Title Company | NOT AVAILABLE |
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Personal Trust |
| Address | 340 CLARKIN CT WALNUT CREEK CA 945966165, WALNUT CREEK, CA 94596-6165 |
Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 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) |
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.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $2,172,481 (+2%) Land $1,301,331 Building $871,150 | |
| 2025 | $24,070.00 (+157.21%) Homeowner's exemption | $2,129,884 (+172.99%) Land $1,275,815 Building $854,069 |
| 2023 | $9,358.00 (+2.27%) Homeowner's exemption | $780,199 Land $346,754 Building $433,445 |
| 2022 | $9,150.00 |
Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060133430031, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Flood Insurance Cost | Premium on Record median of 25 individual NFIP policies nearby |
| 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 |
| Wildfire Risk | Moderate above 67% of the US · above 41% of California |
|---|---|
| Wildfire Likelihood | About 1 in 424 per year |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 238 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Sonic Telecom | Fiber | 10,000 / 10,000 |
| Xfinity | Cable | 2,000 / 250 |
| Radiate Holdings | Cable | 1,500 / 50 |
| Unwired | Fixed Wireless | 300 / 25 |
| Verizon | Fixed Wireless | 300 / 20 |
| T-Mobile USA | Fixed Wireless | 100 / 20 |
| AT&T | DSL | 100 / 20 |
May also be available at this address: Etheric Communications, LLC., AT&T. Availability varies by address; speeds are provider-advertised maximums, not measured.
5G and 4G LTE
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