Contra Costa County property record for 1000 Ulfinian Way, Martinez, CA 94553
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.5 ba · 2,317 sqft · built 1957 |
| Lot Size | 0.185 acres (8,060 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $1,947 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 374-153-018-6 |
| Primary APN | 374-153-018-6 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 9 Rooms |
| Stories | 1 Story |
| Building Area | 2,317 sqft Living Area |
| 1st Floor Area | 1,942 sqft |
| Basement Area | 375 sqft |
| Year Built | Built 1957 |
|---|---|
| Effective Year Built | Effective 1957 |
| Lot Area | 8,060 sqft (0.185 acres) |
| Garage Type | Attached |
| Garage Area | 420 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 1000 ULFINIAN WAY |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-2672 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1 |
| Legal Description | LA SALLE HEIGHTS #6 LOT 238 |
| Legal Subdivision | LA SALLE HEIGHTS 06 |
| Legal Lot Number | 238 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1004 |
| Census Tract | 319002 |
Source: Contra Costa County records · APN 374-153-018-6
Assessment roll updated July 14, 2026 · Last verified July 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 1000 ULFINIAN WAY, MARTINEZ, CA 94553-2672 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Life Estate |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Transfer Date | Sep 17, 2007 |
| Transfer Doc | 0000267008 |
| Record Updated | Sep 20, 2026 |
Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Martinez City |
| Unified School District | Martinez Unified School District (KG - 12) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $92,047 (+2%) Land $23,610 Building $68,437 | |
| 2025 | $1,947.00 (+6.57%) Homeowner's exemption | $90,244 (+4.04%) Land $23,148 Building $67,096 |
| 2023 | $1,827.00 (+1.39%) Homeowner's exemption | $86,742 Land $22,250 Building $64,492 |
| 2022 | $1,802.00 |
Source: FEMA National Flood Hazard Layer as of October 12, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 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 |
| Nearby Flood Policies | 2 in force |
| Wildfire Risk | Low lower than 80% of the US · lower than 88% of California |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | None beyond ember reach |
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.
Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Radiate Holdings Fiber · Cable in parts of the area | 1,500 / 1,500 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
May also be available: Unwired.
Based on FCC filings for 853 locations within half a mile of this property.
Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | CITY OF MARTINEZ serves 31,015 people |
|---|---|
| Water Source | Purchased surface water from CONTRA COSTA WATER DISTRICT |
| Last State Inspection | Oct 2025 |
| Lead | Under 1 ppb (2023–2025) 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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.
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