Contra Costa County property record for 250 N Gate Rd, Walnut Creek, CA 94598
| Property Type | Single Family Home |
|---|---|
| Details | 1,226 sqft · built 1943 |
| Lot Size | 0.86 acres (37,461 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $1,065 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 138-020-002 |
| Primary APN | 138-020-002 |
|---|---|
| Alternative APN |
|
| Stories | 1 Story |
|---|---|
| Building Area | 1,226 sqft Living Area |
| 1st Floor Area | 1,226 sqft |
| Year Built | Built 1943 |
|---|---|
| Effective Year Built | Effective 1943 |
| Lot Area | 37,461 sqft (0.86 acres) |
| Parking Spaces | 4 Parking Spaces |
| Street Address | 250 N GATE RD |
|---|---|
| City | WALNUT CREEK |
| State | CA |
| Zip | 94598-4613 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | MARTENSTEIN SUB POR LOT D |
| Legal Subdivision | MARTENSTEIN SUB |
| Legal Lot Number | D |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 3 |
| Census Block | 3007 |
| Census Tract | 355302 |
250 N Gate Rd is owned by an individual who acquired it in November 2015.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 110 COLLINS CT, PLEASANT HILL, CA 94523-4107 |
| Owner Type | Individual |
| Vesting | Single Person |
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 | Name on Deed |
|---|---|
| Last Transfer Date | Nov 24, 2015 |
| Transfer Doc | 0000245711 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 250 N Gate Rd was $1,065.
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 | $83,807 (+2%) Land $48,077 Building $35,730 | |
| 2025 | $1,065.00 | $82,165 Land $47,135 Building $35,030 |
| 2023 | $1,032.00 (+0.78%) | $78,976 Land $45,305 Building $33,671 |
| 2022 | $1,024.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 250 N Gate Rd in Zone X, an area of minimal flood risk.
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 |
| Community Rating System | Class 8 (10% premium discount) |
| Nearby Flood Policies | 1 in force |
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.
Wildfire risk around 250 N Gate Rd is moderate, ranking above 46% of the US, with a 0.09% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 46% of the US · lower than 72% of California |
|---|---|
| Wildfire Likelihood | 0.09% annual chance |
| Exposure | Indirect 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 484 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Astound Broadband Cable | 1,500 / 50 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| AT&T DSL | 100 / 20 |
May also be available: Sonic Telecom, T-Mobile.
5G (outdoors only) and 4G LTE
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