Contra Costa County property record for 4952 Thatcher Dr, Martinez, CA 94553
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 1,816 sqft · built 1989 |
| Lot Size | 0.074 acres (3,200 sqft) |
| Owner | Company Name on Record |
| Last Sale | $505,000 (Jun 2004) |
| Tax Bill | $9,160 (2025) |
| Deeds & Mortgages | May 2020 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 161-420-074-7 |
| Primary APN | 161-420-074-7 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 1,816 sqft Living Area |
| 1st Floor Area | 858 sqft |
| 2nd Floor Area | 958 sqft |
| Year Built | Built 1989 |
|---|---|
| Effective Year Built | Effective 1989 |
| Architectural Style | Cluster |
| Lot Area | 3,200 sqft (0.074 acres) |
| Garage Type | Attached |
| Garage Area | 434 sqft |
| Parking Spaces | 2 Parking Spaces |
| Heating System | Central |
|---|
| Street Address | 4952 THATCHER DR |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-4386 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T6842 L27 |
| Legal Subdivision | SUBDIVISION 6842 |
| Legal Tract | 6842 |
| Legal Lot Number | 27 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 4 |
| Census Block | 4019 |
| Census Tract | 320004 |
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 | Company Name on Record |
|---|---|
| Mailing Address | 4952 THATCHER DR, MARTINEZ, CA 94553-4386 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jun 29, 2004 · Amount on Record |
| Deed Sale | Jun 29, 2004 · Amount on Record |
| Prior Sale | May 13, 2003 · Amount on Record |
| Deed Document Number | 2004248141 |
| Last Transfer Date | Feb 16, 2011 |
| Transfer Doc | 0000040798 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 4952 THATCHER DR, MARTINEZ, CA 94553-4386 |
| Document Number | 0000100389 |
| Instrument Date | May 19, 2020 |
| Transaction Type | Mortgage |
| Record Updated | Jun 4, 2020 |
| Title Company | OLD REPUBLIC TITLE |
| Name | Verified Name |
|---|---|
| Relationship | Living Trust |
| Address | 4952 THATCHER DR MARTINEZ CA 945534386, MARTINEZ, CA 94553-4386 |
| Document Number | 0000100389 |
|---|---|
| Date | May 27, 2020 |
| Instrument | 100389 |
| Name | SF FIRE CU |
|---|---|
| Address | SAN FRANCISCO, CA 94118 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | May 26, 2050 |
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 | $732,343 (+2%) Land $333,541 Building $398,802 | |
| 2025 | $9,160.00 (+4.65%) Homeowner's exemption | $717,984 (+4.04%) Land $327,001 Building $390,983 |
| 2023 | $8,753.00 (+1.61%) Homeowner's exemption | $690,105 Land $314,304 Building $375,801 |
| 2022 | $8,614.00 |
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
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
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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