Contra Costa County property record for 526 Thistle Cir, Martinez, CA 94553
| Property Type | Townhouse |
|---|---|
| Details | 2 bd · 1.5 ba · 913 sqft · built 1977 |
| Lot Size | 0.048 acres (2,080 sqft) |
| Owner | 2 Company Names on Record |
| Last Sale | $615,000 (May 2022) |
| Tax Bill | $5,500 (2025) |
| Deeds & Mortgages | Oct 2025 Mortgage May 2023 Second Mortgage + 3 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 154-604-013-8 |
| Primary APN | 154-604-013-8 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 913 sqft Living Area |
| Gross Area | 1,353 sqft |
| 1st Floor Area | 913 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1977 |
|---|---|
| Effective Year Built | Effective 1985 |
| Architectural Style | Townhouse |
| Exterior Material | Wood Siding |
| Construction Type | Frame |
| Roof Material | Wood Shingle |
| Lot Area | 2,080 sqft (0.048 acres) |
| Garage Type | Attached |
| Garage Area | 440 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 | 526 THISTLE CIR |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-5817 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Townhouse |
| Local Zoning Code | PUD |
| Legal Description | T04387 L0013 B |
| Legal Subdivision | SUBDIVISION 4387 |
| Legal Tract | 04387 |
| Legal Lot Number | 13 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 3 |
| Census Block | 3012 |
| Census Tract | 321102 |
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 | 2 Company Names on Record |
|---|---|
| Mailing Address | 526 THISTLE CIR, MARTINEZ, CA 94553-5817 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Date | Document |
|---|---|
| Oct 1, 2025 | Deed of Trust, Mortgage · Conventional Mortgage ROCKET MORTGAGE LLC |
| May 16, 2023 | Deed of Trust, Mortgage · Stand-Alone Second Mortgage ROCKET MORTGAGE LLC |
| Jan 19, 2023 | Intrafamily Transfer, Transfer |
| Jan 19, 2023 | Intrafamily Transfer, Transfer · Conventional Mortgage ROCKET MORTGAGE LLC |
| May 20, 2022 | Grant Deed, Transfer CHICAGO TITLE COMPANY |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | May 20, 2022 · Amount on Record |
| Deed Sale | May 20, 2022 · Amount on Record |
| Deed Document Number | 202286706 |
| Last Transfer Date | Jan 6, 2023 |
| Transfer Doc | 0000005077 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 526 THISTLE CIR, MARTINEZ, CA 94553-5817 |
| Transaction Type | Mortgage |
| Record Updated | Oct 16, 2025 |
| Name | Verified Name |
|---|---|
| Address | 526 THISTLE CIR, MARTINEZ, CA 94553-5817 |
| Document Number | 0000102881 |
|---|---|
| Date | Oct 1, 2025 |
| Instrument | 2025- 102881 |
| Name | ROCKET MORTGAGE LLC |
|---|---|
| Type | Mortgage Company |
| Address | 1050 WOODWARD AVE, DETROIT, MI 48226 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Oct 1, 2055 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 526 THISTLE CIR, MARTINEZ, CA 94553-5817 |
| Transaction Type | Mortgage |
| Record Updated | May 25, 2023 |
| Name | Verified Name |
|---|---|
| Address | 526 THISTLE CIR, MARTINEZ, CA 94553-5817 |
| Document Number | 0000045848 |
|---|---|
| Date | May 16, 2023 |
| Instrument | 2023-045848 |
| Name | ROCKET MORTGAGE LLC |
|---|---|
| Type | Mortgage Company |
| Address | DETROIT, MI 48226 |
| Type | Stand-Alone Second Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 241 Months |
| Due | Jun 1, 2043 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Jan 19, 2023 |
| Property Address | 526 THISTLE CIR, MARTINEZ, CA 94553-5817 |
| Document Number | 0000005077 |
| Map Reference | MB 158 PG 4 |
| Instrument Date | Jan 6, 2023 |
| Instrument | 2023-005077 |
| Transaction Type | Transfer |
| Record Updated | Jun 7, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 526 THISTLE CIR, MARTINEZ, CA 94553-5817 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Jan 19, 2023 |
| Property Address | 526 THISTLE CIR, MARTINEZ, CA 94553-5817 |
| Document Number | 0000005075 |
| Map Reference | MB 158 PG 4 |
| Instrument Date | Jan 6, 2023 |
| Instrument | 2023-005075 |
| Transaction Type | Transfer |
| Record Updated | Jan 27, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants with Right of Survivorship |
| Address | 526 THISTLE CIR, MARTINEZ, CA 94553-5817 |
| Document Number | 0000005076 |
|---|---|
| Date | Jan 19, 2023 |
| Instrument | 2023-005076 |
| Name | ROCKET MORTGAGE LLC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 241 Months |
| Due | Feb 1, 2043 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | May 20, 2022 |
| Property Address | 526 THISTLE CIR, MARTINEZ, CA 94553-5817 |
| Document Number | 0000086706 |
| Map Reference | MB 158 PG 4 |
| Instrument Date | May 13, 2022 |
| Instrument | 2022-086706 |
| Transaction Type | Transfer |
| Record Updated | Jun 7, 2023 |
| Title Company | CHICAGO TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 526 THISTLE CIR, MARTINEZ, CA 94553-5817 |
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 | $421,234 (+2%) Land $250,405 Building $170,829 | |
| 2025 | $5,500.00 (+4.32%) Homeowner's exemption | $412,976 (+4.04%) Land $245,496 Building $167,480 |
| 2023 | $5,272.00 (+56.63%) Homeowner's exemption | $396,942 Land $235,964 Building $160,978 |
| 2022 | $3,366.00 |
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 |
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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