Contra Costa County property record for 830 N Gate Rd, Walnut Creek, CA 94598
| Property Type | Rural Home |
|---|---|
| Details | 1,771 sqft · built 1957 |
| Lot Size | 1.07 acres (47,044 sqft) |
| Owner | 2 Trust Names on File |
| Tax Bill | $6,119 (2025) |
| Deeds & Mortgages | Sep 2021 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 138-110-004-7 |
| Primary APN | 138-110-004-7 |
|---|---|
| Alternative APN |
|
| Stories | 1 Story |
|---|---|
| Building Area | 1,771 sqft Living Area |
| 1st Floor Area | 1,771 sqft |
| Year Built | Built 1957 |
|---|---|
| Effective Year Built | Effective 1957 |
| Lot Area | 47,044 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 830 N GATE RD |
|---|---|
| City | WALNUT CREEK |
| State | CA |
| Zip | 94598-4625 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Rural Home |
| Local Zoning Code | R40 |
| Legal Description | MT DIABLO BLVD TR POR LOT 11 |
| Legal Subdivision | MT DIABLO BLVD |
| Legal Lot Number | 11 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 3 |
| Census Block | 3004 |
| Census Tract | 355302 |
830 N Gate Rd, a rural home, is held in a trust since September 2021.
Source: Contra Costa County records, as of July 14, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 830 N GATE RD, WALNUT CREEK, CA 94598-4625 |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | Sep 23, 2021 |
| Transfer Doc | 0000268909 |
| Record Updated | Sep 20, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Sep 28, 2021 |
| Property Address | 830 N GATE RD, WALNUT CREEK, CA 94598-4625 |
| Document Number | 0000268909 |
| Map Reference | MB 7 PG 153 |
| Instrument Date | Sep 23, 2021 |
| Instrument | 2021-268909 |
| Transaction Type | Transfer |
| Record Updated | Jun 7, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Living Trust |
| Address | 830 N GATE RD, WALNUT CREEK, CA 94598-4625 |
The 2025 property tax bill for 830 N Gate Rd was $6,119.
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Unified School District | Mount Diablo Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $481,843 (+2%) Land $221,025 Building $260,818 | |
| 2025 | $6,119.00 | $472,396 Land $216,692 Building $255,704 |
| 2023 | $5,871.00 (+0.88%) | $454,055 Land $208,279 Building $245,776 |
| 2022 | $5,820.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 830 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 830 N Gate Rd is high, ranking above 74% of the US, with a 0.5% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | High above 74% of the US · above 50% of California |
|---|---|
| Wildfire Likelihood | 0.5% 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 | 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 110 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| AT&T DSL | 100 / 20 |
May also be available: Astound Broadband.
5G (outdoors only) and 4G LTE
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