Contra Costa County property record for 12 Harold Ct, Walnut Creek, CA 94597 · Last verified May 2024
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 2,187 sqft · built 1912 |
| Lot Size | 0.71 acres (30,928 sqft) |
| Owner | Company Name on File |
| Tax Bill | $9,751 (2016) |
| Flood Zone | Zone X (minimal risk) |
| APN | 148-150-013-8 |
| Primary APN | 148-150-013-8 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 9 Rooms |
| Stories | 2 Stories |
| Building Area | 2,187 sqft Living Area |
| Gross Area | 3,282 sqft |
| 1st Floor Area | 2,674 sqft |
| 2nd Floor Area | 608 sqft |
| Year Built | Built 1912 |
|---|---|
| Effective Year Built | Effective 1952 |
| Lot Area | 30,928 sqft (0.71 acres) |
| Garage Area | 530 sqft |
| Parking Spaces | 2 Parking Spaces |
| Total Buildings | 2 Buildings |
| Heating System | Zoned |
|---|
| Old Parcel Number | 148-150-013 |
|---|---|
| Street Address | 12 HAROLD CT |
| City | WALNUT CREEK |
| State | CA |
| Zip | 94597-6816 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LUIGI DE MARTINI TR POR LOT 1 |
| Legal Subdivision | LUIGI DE MARTINI TRACT |
| Legal Lot Number | 1 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2008 |
| Census Tract | 338203 |
Source: Contra Costa County records · APN 148-150-013-8
Assessment roll updated July 1, 2016 · Last verified May 2024
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 | 1875 OLYMPIC BLVDSTE 205, 205, WALNUT CREEK, CA 94596-5026 |
| Owner Type | Company |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Mar 03, 2016 |
| Deed Sale | Mar 03, 2016 |
| Prior Sale | Aug 10, 2015 |
| Deed Document Number | 2016-037210 |
| Record Updated | Jun 07, 2026 |
Source: Contra Costa County records · Assessment roll updated July 1, 2016 · Last verified May 2024
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Walnut Creek City |
| Unified School District | Mount Diablo Unified School District (KG - 12) |
Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 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 |
| Wildfire Risk | Low above 1% of the US · above 1% of California |
|---|---|
| Wildfire Likelihood | Less than 1 in 10,000 per year |
| Exposure | Direct burnable vegetation at the parcel |
Values are read at the parcel center point; lenders make the official flood determination.
Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 368 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| AT&T | Fiber | 5,000 / 5,000 |
| 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 |
May also be available at this address: AT&T, Radiate Holdings, Xfinity. Availability varies by address; speeds are provider-advertised maximums, not measured.
5G (outdoors only) and 4G LTE
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