Contra Costa County property record for 43 Austen Way, Martinez, CA 94553
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 1,137 sqft · built 1949 |
| Lot Size | 0.253 acres (11,000 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $320,000 (Apr 2015) |
| Tax Bill | $5,388 (2025) |
| Deeds & Mortgages | Jun 2020 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 159-161-003-3 |
| Primary APN | 159-161-003-3 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 1,137 sqft Living Area |
| 1st Floor Area | 1,137 sqft |
| Year Built | Built 1949 |
|---|---|
| Effective Year Built | Effective 1969 |
| Lot Area | 11,000 sqft (0.253 acres) |
| Garage Type | Attached |
| Garage Area | 250 sqft |
| Parking Spaces | 1 Parking Space |
| Street Address | 43 AUSTEN WAY |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-3605 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R7 |
| Legal Description | HELMOND SHEPARD TRACT LOT 43 |
| Legal Subdivision | HELMOND-SHEPARD |
| Legal Lot Number | 43 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1009 |
| Census Tract | 320004 |
43 Austen Way is owned and occupied by two individuals who bought it in April 2015.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 43 AUSTEN WAY, MARTINEZ, CA 94553-3605 |
| 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 | Apr 3, 2015 · Amount on File |
| Deed Sale | Apr 3, 2015 · Amount on File |
| Deed Document Number | 201562288 |
| Prior Transfer Date | May 25, 1994 |
| Prior Transfer Doc | 0000172383 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 43 AUSTEN WAY, MARTINEZ, CA 94553-3605 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | OLD REPUBLIC TITLE CO |
| Name | Verified Name |
|---|
| Document Number | 0000119620 |
|---|---|
| Date | Jun 19, 2020 |
| Instrument | 2020-119620 |
| Name | UNITED WHOLESALE MORTGAGE |
|---|---|
| Type | Mortgage Company |
| Address | PONTIAC, MI 48341 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Jul 1, 2050 |
The 2025 property tax bill for 43 Austen Way was $5,388.
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 | $392,273 (+2%) Land $323,629 Building $68,644 | |
| 2025 | $5,388.00 | $384,583 Land $317,284 Building $67,299 |
| 2023 | $5,122.00 (+2.17%) | $369,651 Land $304,964 Building $64,687 |
| 2022 | $5,013.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 43 Austen Way in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
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 |
|---|---|
| Nearest Special Flood Hazard Area | Zone A, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 4 in force |
| Nearby Flood Claims | 1 (2017) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Jan 2017 · Severe Winter Storms, Flooding, And Mudslides |
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 43 Austen Way is low, with a 0.03% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 94% of the US · lower than 96% of California |
|---|---|
| Wildfire Likelihood | 0.03% annual chance |
| Exposure | Direct burnable vegetation |
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 244 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Astound Broadband Fiber · Cable in parts of the area | 1,500 / 1,500 |
| Unwired Fixed Wireless | 300 / 25 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: AT&T, Verizon.
5G (outdoors only) and 4G LTE
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