Contra Costa County property record for 2143 Hillside Ave, Walnut Creek, CA 94597
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 750 sqft · built 1954 |
| Lot Size | 0.127 acres (5,512 sqft) |
| Owner | Individual Name on File |
| Last Sale | $375,000 (Jul 2004) |
| Tax Bill | $6,844 (2025) |
| Deeds & Mortgages | Dec 2017 Line of Credit Dec 2020 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 174-120-007-3 |
| Primary APN | 174-120-007-3 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 4 Rooms |
| Stories | 1 Story |
| Building Area | 750 sqft Living Area |
| 1st Floor Area | 750 sqft |
| Year Built | Built 1954 |
|---|---|
| Effective Year Built | Effective 1954 |
| Lot Area | 5,512 sqft (0.127 acres) |
| Lot Dimensions | 159 ft deep x 106 ft wide |
| Garage Type | Attached |
| Garage Area | 234 sqft |
| Parking Spaces | 1 Parking Space |
| Heating System | Floor/Wall Furnace |
|---|
| Street Address | 2143 HILLSIDE AVE |
|---|---|
| City | WALNUT CREEK |
| State | CA |
| Zip | 94597-3516 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R2 |
| Legal Description | PRINGLE ADDN POR LTS 6 & 7 BLK 2 |
| Legal Subdivision | PRINGLE ADD |
| Legal Block | 2 |
| Legal Lot Number | 6,7 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 3 |
| Census Block | 3012 |
| Census Tract | 340004 |
2143 Hillside Ave is owned and occupied by an individual who bought it in July 2004.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 2143 HILLSIDE AVE, WALNUT CREEK, CA 94597-3516 |
| 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.
| Date | Document |
|---|---|
| Dec 4, 2017 | Deed of Trust, Mortgage · Line of Credit FREMONT BANK |
| Dec 7, 2020 | Deed of Trust, Mortgage · Conventional Mortgage AMERISTAR MORTGAGE CORP |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jul 21, 2004 · Amount on File |
| Deed Sale | Jul 21, 2004 · Amount on File |
| Deed Document Number | 2004280549 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 2143 HILLSIDE AVE, WALNUT CREEK, CA 94597-3516 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | FIRST AMERICAN TITLE |
| Name | Verified Name |
|---|
| Document Number | 0000226427 |
|---|---|
| Date | Dec 4, 2017 |
| Instrument | 2017-226427 |
| Name | FREMONT BANK |
|---|---|
| Type | Bank |
| Address | LIVERMORE, CA 94551 |
| Type | Line of Credit |
|---|---|
| Amount | Amount on Record |
| Term | 359 Months |
| Due | Nov 29, 2047 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 2143 HILLSIDE AVE, WALNUT CREEK, CA 94597-3516 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | SOLIDIFI TITLE AND CLOSING |
| Name | Verified Name |
|---|---|
| Address | 2143 HILLSIDE AVE, WALNUT CREEK, CA 94597-3516 |
| Document Number | 0000304341 |
|---|---|
| Date | Dec 7, 2020 |
| Instrument | 2020-304341 |
| Name | AMERISTAR MORTGAGE CORP |
|---|---|
| Type | Mortgage Company |
| Address | ATLANTA, GA 30305 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Dec 1, 2050 |
The 2025 property tax bill for 2143 Hillside Ave was $6,844 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 |
| 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 | $533,151 (+2%) Land $526,053 Building $7,098 | |
| 2025 | $6,844.00 Homeowner's exemption | $522,698 Land $515,739 Building $6,959 |
| 2023 | $6,581.00 (+2.11%) Homeowner's exemption | $502,403 Land $495,713 Building $6,690 |
| 2022 | $6,445.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 2143 Hillside Ave 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 | 2 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.
The area around 2143 Hillside Ave has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land 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 | 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 346 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 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
May also be available: Sonic Telecom, Verizon.
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