Contra Costa County property record for 18 Corte Estrella, Martinez, CA 94553
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,095 sqft · built 1961 |
| Lot Size | 0.236 acres (10,260 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $297,500 (Aug 2011) |
| Tax Bill | $5,391 (2025) |
| Deeds & Mortgages | Mar 2026 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 380-202-030-9 |
| Primary APN | 380-202-030-9 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,095 sqft Living Area |
| 1st Floor Area | 1,095 sqft |
| Year Built | Built 1961 |
|---|---|
| Effective Year Built | Effective 1981 |
| Lot Area | 10,260 sqft (0.236 acres) |
| Garage Type | Attached |
| Garage Area | 360 sqft |
| Parking Spaces | 1 Parking Space |
| Street Address | 18 CORTE ESTRELLA |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-2109 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R6 |
| Legal Description | TRACT 3006 LOT 39 |
| Legal Subdivision | VISTA ESTRELLA |
| Legal Tract | 3006 |
| Legal Lot Number | 39 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1062 |
| Census Tract | 320001 |
Source: Contra Costa County records, as of July 14, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on Record |
|---|---|
| Mailing Address | 18 CORTE ESTRELLA, MARTINEZ, CA 94553-2109 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Single Woman |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Aug 23, 2011 · Amount on Record |
| Deed Sale | Aug 23, 2011 · Amount on Record |
| Prior Sale | Sep 15, 2009 · Amount on Record |
| Deed Document Number | 2011171593 |
| Prior Transfer Date | Nov 28, 1995 |
| Prior Transfer Doc | 0000208270 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Mar 11, 2026 |
| Property Address | 18 CORTE ESTRELLA, MARTINEZ, CA 94553-2109 |
| Document Number | 0000023839 |
| Map Reference | MB 85 PG 34 |
| Instrument Date | Mar 9, 2026 |
| Instrument | 2026- 023839 |
| Transaction Type | Transfer |
| Record Updated | Mar 20, 2026 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 18 CORTE ESTRELLA, MARTINEZ, CA 94553-2109 |
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Unified School District | Martinez Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $381,135 (+2%) Land $160,138 Building $220,997 | |
| 2025 | $5,391.00 (+7.45%) Homeowner's exemption | $373,663 (+4.04%) Land $156,999 Building $216,664 |
| 2023 | $5,017.00 (+3%) Homeowner's exemption | $359,154 Land $150,903 Building $208,251 |
| 2022 | $4,871.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
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 6 (20% premium discount) |
| Nearby Flood Policies | 2 in force |
| Nearby Flood Claims | 1 (1998) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Jan 1998 · 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 98% of the US · lower than 98.4% 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 497 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · Fixed Wireless, DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Astound Broadband.
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