Contra Costa County property record for 539 Thistle Cir, Martinez, CA 94553 · Last verified July 2026
| Property Type | Townhouse |
|---|---|
| Details | 3 bd · 2.5 ba · 1,430 sqft · built 1977 |
| Lot Size | 0.048 acres (2,080 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $205,000 (Mar 2001) |
| Tax Bill | $4,333 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 154-603-036 |
| Primary APN | 154-603-036 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 1,430 sqft Living Area |
| 1st Floor Area | 715 sqft |
| Basement Area | 715 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1977 |
|---|---|
| Effective Year Built | Effective 1978 |
| Architectural Style | Contemporary |
| Exterior Material | Wood Siding |
| Construction Type | Frame |
| Roof Material | Wood Shingle |
| Lot Area | 2,080 sqft (0.048 acres) |
| Lot Dimensions | 80 ft deep x 26 ft wide |
| Garage Type | Detached |
| Garage Area | 400 sqft |
| Parking Spaces | 2 Parking Spaces |
| Deck Area | Deck Area |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 539 THISTLE CIR |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-5816 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Townhouse |
| Legal Description | T04387 L0052 B |
| Legal Subdivision | HEATHER HILL 02 |
| Legal Tract | 04387 |
| Legal Lot Number | 52 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 3 |
| Census Block | 3009 |
| Census Tract | 321102 |
Source: Contra Costa County records · APN 154-603-036
Assessment roll updated July 14, 2026 · Last verified July 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 539 THISTLE CIR, MARTINEZ, CA 94553-5816 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Mar 06, 2001 · Amount on Record |
| Deed Sale | Mar 06, 2001 · Amount on Record |
| Deed Document Number | 200152444 |
| Record Updated | Sep 20, 2026 |
Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 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 | $315,051 (+2%) Land $135,240 Building $179,811 | |
| 2025 | $4,333.00 (+4.46%) Homeowner's exemption | $308,875 (+4.04%) Land $132,589 Building $176,286 |
| 2023 | $4,148.00 (+0.88%) Homeowner's exemption | $296,884 Land $127,442 Building $169,442 |
| 2022 | $4,112.00 |
Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060133211023, refreshed September 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 |
| Nearby Flood Claims | 2 (1982–1995) |
| Claims Outside the SFHA | 1 of 2 |
| Most Recent Claim | Jan 1995, river or lake flooding, Severe Winter Storms, Flooding, Landslides, Mud Flows |
| Wildfire Risk | Moderate above 52% of the US · above 31% of California |
|---|---|
| Wildfire Likelihood | About 1 in 893 per year |
| Exposure | Direct burnable vegetation at the parcel |
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: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 371 locations within about half a mile of this property
| Provider | Technology | Download / Upload (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 | 100 / 20 |
| AT&T | DSL | 100 / 20 |
Availability varies by address; speeds are provider-advertised maximums, not measured.
5G and 4G LTE
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