Contra Costa County property record for 71 Adak Ct, Walnut Creek, CA 94597
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,023 sqft · built 1953 |
| Lot Size | 0.184 acres (8,034 sqft) |
| Owner | Individual Name on File |
| Last Sale | $212,500 (Oct 1997) |
| Tax Bill | $4,550 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 171-250-018-8 |
| Primary APN | 171-250-018-8 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 1,023 sqft Living Area |
| 1st Floor Area | 1,023 sqft |
| Year Built | Built 1953 |
|---|---|
| Effective Year Built | Effective 1953 |
| Lot Area | 8,034 sqft (0.184 acres) |
| Garage Type | Attached |
| Garage Area | 256 sqft |
| Parking Spaces | 1 Parking Space |
| Street Address | 71 ADAK CT |
|---|---|
| City | WALNUT CREEK |
| State | CA |
| Zip | 94597-2423 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10 |
| Legal Description | ADAK HOMESITES LOT 14 |
| Legal Subdivision | ADAK HOMESITES |
| Legal Lot Number | 14 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2003 |
| Census Tract | 340003 |
71 Adak Ct is owned and occupied by an individual who bought it in October 1997.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 71 ADAK CT, WALNUT CREEK, CA 94597-2423 |
| Occupancy | Owner Occupied |
| 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 Sale | Oct 3, 1997 · Amount on File |
| Deed Sale | Oct 3, 1997 · Amount on File |
| Prior Sale | Oct 26, 1995 · Amount on File |
| Deed Document Number | 1997186095 |
| Prior Transfer Date | Feb 28, 1994 |
| Prior Transfer Doc | 0000065469 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 71 Adak Ct was $4,550 with a homeowner's exemption.
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 | $346,064 (+2%) Land $260,575 Building $85,489 | |
| 2025 | $4,550.00 Homeowner's exemption | $339,279 Land $255,466 Building $83,813 |
| 2023 | $4,356.00 (+0.9%) Homeowner's exemption | $326,106 Land $245,547 Building $80,559 |
| 2022 | $4,317.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 71 Adak Ct in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective October 12, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Wildfire risk around 71 Adak Ct is low, with less than a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 99.8% of the US · lower than 99.8% of California |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond 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 | 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 490 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Sonic Telecom Fiber | 10,000 / 10,000 |
| AT&T Fiber · DSL · Fixed Wireless in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Astound Broadband Cable | 1,500 / 50 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: T-Mobile.
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