Contra Costa County property record for 170 Bales Dr, Walnut Creek, CA 94596
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 2,374 sqft · built 1947 |
| Lot Size | 0.248 acres (10,800 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $1,100,000 (Dec 2014) |
| Tax Bill | $15,581 (2025) |
| Deeds & Mortgages | Jun 2020 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 180-142-002-5 |
| Primary APN | 180-142-002-5 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 9 Rooms |
| Stories | 2 Stories |
| Building Area | 2,374 sqft Living Area |
| 1st Floor Area | 1,967 sqft |
| 2nd Floor Area | 407 sqft |
| Year Built | Built 1947 |
|---|---|
| Effective Year Built | Effective 1981 |
| Lot Area | 10,800 sqft (0.248 acres) |
| Garage Type | Attached |
| Garage Area | 380 sqft |
| Parking Spaces | 1 Parking Space |
| Street Address | 170 BALES DR |
|---|---|
| City | WALNUT CREEK |
| State | CA |
| Zip | 94596-6125 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R20 |
| Legal Description | ALTON OAKS LOT 12 |
| Legal Subdivision | ALTON OAKS |
| Legal Lot Number | 12 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1000 |
| Census Tract | 343001 |
170 Bales Dr is owned and occupied by two individuals who bought it in December 2014.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 170 BALES DR, WALNUT CREEK, CA 94596-6125 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
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 | 2 Names on Deed |
|---|---|
| Last Sale | Dec 19, 2014 · Amount on File |
| Deed Sale | Dec 19, 2014 · Amount on File |
| Deed Document Number | 2014225440 |
| Prior Transfer Date | Sep 19, 1997 |
| Prior Transfer Doc | 0000192089 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 170 BALES DR, WALNUT CREEK, CA 94596-6125 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | BOSTON NATIONAL TITLE LLC NC |
| Name | Verified Name |
|---|
| Document Number | 0000111885 |
|---|---|
| Date | Jun 11, 2020 |
| Instrument | 2020-111885 |
| Name | UBS BANK USA |
|---|---|
| Type | Bank |
| Address | SALT LAKE CITY, UT 84111 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Jul 1, 2050 |
The 2025 property tax bill for 170 Bales Dr was $15,581 with a homeowner's exemption.
Source: Contra Costa County assessment roll, as of July 14, 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) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $1,348,465 (+2%) Land $796,822 Building $551,643 | |
| 2025 | $15,581.00 Homeowner's exemption | $1,322,026 Land $781,199 Building $540,827 |
| 2023 | $15,003.00 (+2.27%) Homeowner's exemption | $1,270,692 Land $750,865 Building $519,827 |
| 2022 | $14,670.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 170 Bales Dr in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 1998.
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 | 2 in force |
| Nearby Flood Claims | 1 (1998) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Feb 1998 · Severe Winter Storms And Flooding |
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 170 Bales Dr is moderate, ranking above 54% of the US, with a 0.1% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 54% of the US · lower than 68% of California |
|---|---|
| Wildfire Likelihood | 0.1% 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 | 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 238 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Sonic Telecom Fiber | 10,000 / 10,000 |
| Xfinity Cable | 2,000 / 250 |
| Astound Broadband Cable | 1,500 / 50 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
May also be available: Etheric Networks.
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