Contra Costa County property record for 5023 Hiller Ln, Martinez, CA 94553
| Property Type | Condominium |
|---|---|
| Details | 2 bd · 2.5 ba · 1,200 sqft · built 1988 |
| Lot Size | 0.014 acres (590 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $3,439 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 161-520-012-6 |
| Primary APN | 161-520-012-6 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 6 Rooms |
| Stories | 2 Stories |
| Building Area | 1,200 sqft Living Area |
| 1st Floor Area | 588 sqft |
| 2nd Floor Area | 612 sqft |
| Year Built | Built 1988 |
|---|---|
| Effective Year Built | Effective 1988 |
| Architectural Style | Condo/Apartment |
| Lot Area | 590 sqft (0.014 acres) |
| Garage Type | Attached |
| Garage Area | 210 sqft |
| Parking Spaces | 1 Parking Space |
| Street Address | 5023 HILLER LN |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-8601 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Condominium |
| Legal Description | T6803 L1 B4 U12 |
| Legal Subdivision | CHURCHWOOD |
| Legal Tract | 6803 |
| Legal Block | 4 |
| Legal Lot Number | 1 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 3 |
| Census Block | 3000 |
| Census Tract | 320004 |
5023 Hiller Ln, a condominium, is owned and occupied by an individual who acquired it in July 2002.
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 | Individual Name on File |
|---|---|
| Mailing Address | 5023 HILLER LN, MARTINEZ, CA 94553-8601 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Single Person |
| Deed Names | Name on Deed |
|---|---|
| Last Transfer Date | Jul 22, 2002 |
| Transfer Doc | 0000258594 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 5023 Hiller Ln was $3,439 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 | Martinez City |
| Unified School District | Mount Diablo Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $217,453 (+2%) Land $62,453 Building $155,000 | |
| 2025 | $3,439.00 Homeowner's exemption | $213,190 Land $61,229 Building $151,961 |
| 2023 | $3,240.00 (+2.99%) Homeowner's exemption | $204,913 Land $58,852 Building $146,061 |
| 2022 | $3,146.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 5023 Hiller Ln in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 1979.
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 |
| Nearby Flood Claims | 1 (1979) |
| Most Recent Claim | Oct 1979 · rainfall accumulation |
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 5023 Hiller Ln 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 99.1% of the US · lower than 99.2% 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 | 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 454 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 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Astound Broadband, AT&T, Verizon.
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