Contra Costa County property record for 510 Wildcroft Dr, Martinez, CA 94553
| Property Type | Townhouse |
|---|---|
| Details | 3 bd · 2.5 ba · 1,430 sqft · built 1971 |
| Lot Size | 0.039 acres (1,716 sqft) |
| Owner | Individual Name on File |
| Last Sale | $741,000 (Jun 2023) |
| Tax Bill | $9,588 (2025) |
| Deeds & Mortgages | Jun 2023 Sale & Mortgage Nov 2022 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 154-555-013-7 |
| Primary APN | 154-555-013-7 |
|---|---|
| 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 1971 |
|---|---|
| Effective Year Built | Effective 1992 |
| Architectural Style | Townhouse |
| Lot Area | 1,716 sqft (0.039 acres) |
| Garage Type | Attached |
| Garage Area | 400 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 510 WILDCROFT DR |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-5827 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Townhouse |
| Local Zoning Code | PUD |
| Legal Description | TRACT 4036 LOT 55 EX MR |
| Legal Subdivision | HEATHER HILL SUB 4036 |
| Legal Tract | 4036 |
| Legal Lot Number | 55 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 3 |
| Census Block | 3009 |
| Census Tract | 321102 |
510 Wildcroft Dr, a townhouse, is owned and occupied by an individual who bought it in June 2023.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 510 WILDCROFT DR, MARTINEZ, CA 94553-5827 |
| 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 |
|---|---|
| Jun 1, 2023 | Grant Deed, Transfer · Conventional Mortgage STONECASTLE LAND AND HOME FINANCIAL |
| Nov 14, 2022 | Grant Deed, Transfer CHICAGO TITLE COMPANY |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jun 1, 2023 · Amount on File |
| Deed Sale | Jun 1, 2023 · Amount on File |
| Prior Sale | Nov 14, 2022 · Amount on File |
| Deed Document Number | 202351994 |
| Prior Transfer Date | Jul 11, 1996 |
| Prior Transfer Doc | 0000147890 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Jun 1, 2023 |
| Property Address | 510 WILDCROFT DR, MARTINEZ, CA 94553-5827 |
| Document Number | 0000051994 |
| Map Reference | MB 132 PG 29-31 |
| Instrument Date | May 29, 2023 |
| Instrument | 2023-051994 |
| Transaction Type | Transfer |
| Record Updated | Jun 9, 2023 |
| Title Company | CHICAGO TITLE COMPANY |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 510 WILDCROFT DR, MARTINEZ, CA 94553-5827 |
| Investor | Possibly a Property Investor |
| Document Number | 0000051995 |
|---|---|
| Date | Jun 1, 2023 |
| Instrument | 2023-051995 |
| Name | STONECASTLE LAND AND HOME FINANCIAL |
|---|
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Jul 1, 2053 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Nov 14, 2022 |
| Property Address | 510 WILDCROFT DR, MARTINEZ, CA 94553-5827 |
| Document Number | 0000172895 |
| Map Reference | MB 132 PG 29-31 |
| Instrument Date | Nov 8, 2022 |
| Instrument | 2022-172895 |
| Transaction Type | Transfer |
| Record Updated | Nov 22, 2022 |
| Title Company | CHICAGO TITLE COMPANY |
| Amount | Amount on Record |
|---|---|
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 1499 DANVILLE BLVD # 210, 210, ALAMO, CA 94507-1903 |
The 2025 property tax bill for 510 Wildcroft Dr was $9,588.
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 | $676,000 (-12.31%) Land $437,896 Building $238,104 | |
| 2025 | $9,588.00 | $770,936 Land $499,392 Building $271,544 |
| 2023 | $6,170.00 (+271.02%) | $470,000 Land $250,000 Building $220,000 |
| 2022 | $1,663.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 510 Wildcroft Dr 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 510 Wildcroft Dr is low, with a 0.04% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 67% of the US · lower than 81% of California |
|---|---|
| Wildfire Likelihood | 0.04% annual chance |
| Exposure | None beyond ember reach |
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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