Contra Costa County property record for 4947 Thatcher Dr, Martinez, CA 94553 · Last verified August 2026
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 1,816 sqft · built 1989 |
| Lot Size | 0.053 acres (2,300 sqft) |
| Owner | 2 Company Names on File |
| Tax Bill | $4,838 (2025) |
| Deeds & Mortgages | Nov 2023 Line of Credit Jun 2021 Mortgage + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 161-420-091-1 |
| Primary APN | 161-420-091-1 |
|---|---|
| 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 | 2,300 sqft (0.053 acres) |
| Garage Type | Attached |
| Garage Area | 434 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 4947 THATCHER DR |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-4385 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T6842 L44 |
| Legal Subdivision | SUBDIVISION 6842 |
| Legal Tract | 6842 |
| Legal Lot Number | 44 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 4 |
| Census Block | 4015 |
| Census Tract | 320004 |
Source: Contra Costa County records · APN 161-420-091-1
Assessment roll updated July 14, 2026 · Last verified August 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Company Names on File |
|---|---|
| Mailing Address | 4947 THATCHER DR, MARTINEZ, CA 94553-4385 |
| Owner Type | Company |
| Vesting | Life Tenant |
| Date | Document |
|---|---|
| Nov 27, 2023 | Deed of Trust, Mortgage · Line of Credit AMERISAVE MORTGAGE CORP |
| Jun 14, 2021 | Affidavit of Death of Joint Tenant, Transfer · Conventional Mortgage DISCOVER BANK |
| Apr 16, 2018 | Intrafamily Transfer, Transfer · Conventional Mortgage DISCOVER BANK |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Transfer Date | Aug 15, 2024 |
| Transfer Doc | 0000083722 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 4947 THATCHER DR, MARTINEZ, CA 94553-4385 |
| Transaction Type | Mortgage |
| Record Updated | Dec 13, 2023 |
| Name | Verified Name |
|---|---|
| Address | 4947 THATCHER DR, MARTINEZ, CA 94553-4385 |
| Document Number | 0000125771 |
|---|---|
| Date | Nov 27, 2023 |
| Instrument | 2023-125771 |
| Name | AMERISAVE MORTGAGE CORP |
|---|---|
| Type | Mortgage Company |
| Address | ATLANTA, GA 30342 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Nov 16, 2053 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
| Document Type | Affidavit of Death of Joint Tenant |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Jun 14, 2021 |
| Property Address | 4947 THATCHER DR, MARTINEZ, CA 94553-4385 |
| Document Number | 0000171246 |
| Map Reference | MB 317 PG 26 |
| Instrument Date | Jun 04, 2021 |
| Instrument | 2021-171246 |
| Transaction Type | Transfer |
| Record Updated | Nov 03, 2022 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 4947 THATCHER DR, MARTINEZ, CA 94553-4385 |
| Document Number | 0000171247 |
|---|---|
| Date | Jun 14, 2021 |
| Instrument | 2021-171247 |
| Name | DISCOVER BANK |
|---|---|
| Type | Bank |
| Address | NEW CASTLE, DE 19720 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 180 Months |
| Due | Jun 09, 2036 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Apr 16, 2018 |
| Property Address | 4947 THATCHER DR, MARTINEZ, CA 94553-4385 |
| Document Number | 0000058206 |
| Map Reference | MB 317 PG 26 |
| Instrument Date | Feb 20, 2018 |
| Instrument | 2018-058206 |
| Transaction Type | Transfer |
| Record Updated | Nov 03, 2022 |
| Title Company | LENDERLIVE SETTLEMENT SERVIC |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 4947 THATCHER DR, MARTINEZ, CA 94553-4385 |
| Document Number | 0000058207 |
|---|---|
| Date | Apr 16, 2018 |
| Instrument | 2018-058207 |
| Name | DISCOVER BANK |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 178 Months |
| Due | Feb 26, 2033 |
Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified August 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Martinez City |
| Unified School District | Mount Diablo 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 | $331,651 (+2%) Land $86,114 Building $245,537 | |
| 2025 | $4,838.00 (+5.33%) | $325,149 (+4.04%) Land $84,426 Building $240,723 |
| 2023 | $4,593.00 (+2.29%) | $312,525 Land $81,149 Building $231,376 |
| 2022 | $4,490.00 |
Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
Values are read at the parcel center point; lenders make the official flood determination.
Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 454 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Xfinity | Cable | 2,000 / 250 |
| Unwired | Fixed Wireless | 300 / 25 |
| T-Mobile USA | Fixed Wireless | 100 / 20 |
May also be available at this address: AT&T, Verizon, Radiate Holdings. Availability varies by address; speeds are provider-advertised maximums, not measured.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures