Contra Costa County property record for 437 Thistle Cir, Martinez, CA 94553
| Property Type | Townhouse |
|---|---|
| Details | 3 bd · 2.5 ba · 1,588 sqft · built 1977 |
| Lot Size | 0.066 acres (2,860 sqft) |
| Owner | Individual Name on File |
| Last Sale | $255,000 (Jul 2013) |
| Tax Bill | $4,375 (2025) |
| Deeds & Mortgages | Jun 2020 Mortgage Jun 2021 Line of Credit |
| Flood Zone | Zone X (minimal risk) |
| APN | 154-603-019-6 |
| Primary APN | 154-603-019-6 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 1,588 sqft Living Area |
| 1st Floor Area | 964 sqft |
| 2nd Floor Area | 624 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1977 |
|---|---|
| Effective Year Built | Effective 1978 |
| Architectural Style | Ranch |
| Exterior Material | Wood Siding |
| Construction Type | Frame |
| Roof Material | Wood Shingle |
| Lot Area | 2,860 sqft (0.066 acres) |
| Garage Type | Attached |
| Garage Area | 491 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 437 THISTLE CIR |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-5814 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Townhouse |
| Local Zoning Code | PUD |
| Legal Description | TRACT 4387 LOT 35 |
| Legal Subdivision | SUBDIVISION 4387 |
| Legal Tract | 4387 |
| Legal Lot Number | 35 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 3 |
| Census Block | 3009 |
| Census Tract | 321102 |
Source: Contra Costa County assessment roll, 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 File |
|---|---|
| Mailing Address | 437 THISTLE CIR, MARTINEZ, CA 94553-5814 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Jun 24, 2020 | Deed of Trust, Mortgage · Conventional Mortgage OWNING CORPORATION |
| Jun 30, 2021 | Deed of Trust, Mortgage · Line of Credit FIRST REPUBLIC BANK |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Jul 10, 2013 · Amount on Record |
| Deed Sale | Jul 10, 2013 · Amount on Record |
| Prior Sale | Apr 30, 2004 · Amount on Record |
| Deed Document Number | 2013172491 |
| Prior Transfer Date | Dec 19, 2002 |
| Prior Transfer Doc | 0000007452 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 437 THISTLE CIR, MARTINEZ, CA 94553-5814 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | WFG TITLE INSURANCE COMPANY |
| Name | Verified Name |
|---|
| Document Number | 0000122617 |
|---|---|
| Date | Jun 24, 2020 |
| Instrument | 2020-122617 |
| Name | OWNING CORPORATION |
|---|---|
| Type | Non-Lending Institution |
| Address | ORANGE, CA 92868 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jul 1, 2050 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 437 THISTLE CIR, MARTINEZ, CA 94553-5814 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | FIDELITY NATIONAL TITLE |
| Name | Verified Name |
|---|---|
| Address | 437 THISTLE CIR, MARTINEZ, CA 94553-5814 |
| Document Number | 0000187478 |
|---|---|
| Date | Jun 30, 2021 |
| Instrument | 2021-187478 |
| Name | FIRST REPUBLIC BANK |
|---|---|
| Type | Bank |
| Address | SAN FRANCISCO, CA 94111 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 299 Months |
| Due | May 26, 2046 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
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 | $318,831 (+2%) Land $200,052 Building $118,779 | |
| 2025 | $4,375.00 (+4.44%) Homeowner's exemption | $312,580 (+4.04%) Land $196,130 Building $116,450 |
| 2023 | $4,189.00 (+0.87%) Homeowner's exemption | $300,444 Land $188,515 Building $111,929 |
| 2022 | $4,153.00 |
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 |
| 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.
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 at the parcel |
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 USA Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless · DSL | 100 / 20 |
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