Contra Costa County property record for 309 Thistle Cir, Martinez, CA 94553
| Property Type | Townhouse |
|---|---|
| Details | 3 bd · 2.5 ba · 1,430 sqft · built 1977 |
| Lot Size | 0.064 acres (2,782 sqft) |
| Owner | Individual Name on File |
| Last Sale | $460,000 (Jul 2007) |
| Tax Bill | $7,717 (2025) |
| Deeds & Mortgages | May 2025 Line of Credit Nov 2017 Transfer + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 154-603-003 |
| Primary APN | 154-603-003 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 1,430 sqft Living Area |
| 1st Floor Area | 715 sqft |
| 2nd Floor Area | 715 sqft |
| Year Built | Built 1977 |
|---|---|
| Effective Year Built | Effective 1982 |
| Architectural Style | Townhouse |
| Lot Area | 2,782 sqft (0.064 acres) |
| Garage Type | Attached |
| Garage Area | 400 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|
| Street Address | 309 THISTLE CIR |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-5812 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Townhouse |
| Local Zoning Code | PUD |
| Legal Description | TRACT 4387 LOT 19 |
| Legal Subdivision | SUBDIVISION 4387 |
| Legal Tract | 4387 |
| Legal Lot Number | 19 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 3 |
| Census Block | 3009 |
| Census Tract | 321102 |
309 Thistle Cir, a townhouse, is owned and occupied by an individual who bought it in July 2007.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 309 THISTLE CIR, MARTINEZ, CA 94553-5812 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| May 20, 2025 | Deed of Trust, Mortgage · Line of Credit WEST CAPITAL LENDING INC |
| Nov 21, 2017 | Affidavit of Death, Transfer TITLE RESOURCES GUARANTY COMPANY |
| Nov 21, 2017 | Intrafamily Transfer, Transfer · Conventional Mortgage MUFG UNION BANK NA |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jul 25, 2007 · Amount on File |
| Deed Sale | Jul 25, 2007 · Amount on File |
| Prior Sale | Mar 12, 2002 · Amount on File |
| Deed Document Number | 2007213495 |
| Prior Transfer Date | Feb 28, 1996 |
| Prior Transfer Doc | 0000045702 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 309 THISTLE CIR, MARTINEZ, CA 94553-5812 |
| Transaction Type | Mortgage |
| Record Updated | Jun 8, 2026 |
| Name | Verified Name |
|---|---|
| Address | 321 STINSON ST 5, 5, VALLEJO, CA 94591-6413 |
| Document Number | 0000049768 |
|---|---|
| Date | May 20, 2025 |
| Instrument | 2025- 049768 |
| Name | WEST CAPITAL LENDING INC |
|---|---|
| Type | Mortgage Company |
| Address | 24 EXECUTIVE PARK STE 250, IRVINE, CA 92614 |
| Type | Line of Credit |
|---|---|
| Amount | Amount on Record |
| Term | 180 Months |
| Due | May 19, 2040 |
| Change Frequency | Monthly |
|---|
| Document Type | Affidavit of Death |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Nov 21, 2017 |
| Property Address | 309 THISTLE CIR, MARTINEZ, CA 94553-5812 |
| Document Number | 0000219526 |
| Instrument Date | Oct 20, 2017 |
| Instrument | 219526 |
| Transaction Type | Transfer |
| Record Updated | Nov 27, 2017 |
| Title Company | TITLE RESOURCES GUARANTY COMPANY |
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 1745 TEHAMA DR WOODLAND CA 956955452, WOODLAND, CA 95695-5452 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Nov 21, 2017 |
| Property Address | 309 THISTLE CIR, MARTINEZ, CA 94553-5812 |
| Document Number | 0000219527 |
| Map Reference | MB158 PG4 |
| Instrument Date | Oct 20, 2017 |
| Instrument | 2017-219527 |
| Transaction Type | Transfer |
| Record Updated | Jul 27, 2021 |
| Title Company | TITLE RESOURCES GUARANTY CO |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 309 THISTLE CIR, MARTINEZ, CA 94553-5812 |
| Document Number | 0000219528 |
|---|---|
| Date | Nov 21, 2017 |
| Instrument | 2017-219528 |
| Name | MUFG UNION BANK NA |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 481 Months |
| Due | Dec 1, 2057 |
| Rate Type | Fixed Rate |
|---|---|
| Rate | 4.5% |
| Type Change Date | Dec 1, 2024 |
| Change Frequency | Annually |
| Min Rate At Change | 2.5% |
| Max Rate At Change | 6.5% |
| Index | 1-Year LIBOR |
| Max Rate | 10.5% |
The 2025 property tax bill for 309 Thistle Cir was $7,717.
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 | $616,153 (+2%) Land $294,746 Building $321,407 | |
| 2025 | $7,717.00 | $604,072 Land $288,967 Building $315,105 |
| 2023 | $7,411.00 (+0.83%) | $580,617 Land $277,747 Building $302,870 |
| 2022 | $7,350.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 309 Thistle Cir in Zone X, an area of minimal flood risk, though there have been 2 flood claims nearby since 1982.
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 | 2 (1982–1995) |
| Claims Outside the SFHA | 1 of 2 |
| Most Recent Claim | Jan 1995 · Severe Winter Storms, Flooding, Landslides, Mud Flows |
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 309 Thistle Cir is moderate, ranking above 52% of the US, with a 0.1% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 52% of the US · lower than 69% of California |
|---|---|
| Wildfire Likelihood | 0.1% annual chance |
| Exposure | Direct burnable vegetation |
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 371 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 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless · DSL | 100 / 20 |
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