Contra Costa County property record for 21 Wanda Way, Martinez, CA 94553
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 2.5 ba · 2,192 sqft · built 1951 |
| Lot Size | 0.97 acres (42,253 sqft) |
| Owner | Trust Name on File |
| Last Sale | $500,000 (Jun 2010) |
| Tax Bill | $3,870 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 366-070-006-7 |
| Primary APN | 366-070-006-7 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 2,192 sqft Living Area |
| 1st Floor Area | 2,192 sqft |
| Year Built | Built 1951 |
|---|---|
| Effective Year Built | Effective 2000 |
| Lot Area | 42,253 sqft (0.97 acres) |
| Garage Type | Attached |
| Garage Area | 523 sqft |
| Parking Spaces | 2 Parking Spaces |
| Heating System | Central |
|---|
| Street Address | 21 WANDA WAY |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-9778 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R20 |
| Legal Description | POR RO CANADA DEL HAMBRE |
| Legal Subdivision | CANADA DEL HAMBRE RHO |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2010 |
| Census Tract | 321103 |
21 Wanda Way is owner-occupied and held in a trust since December 2013.
Source: Contra Costa County records, as of July 14, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 21 WANDA WAY, MARTINEZ, CA 94553-9778 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jun 15, 2010 · Amount on File |
| Deed Sale | Jun 15, 2010 · Amount on File |
| Prior Sale | Jan 22, 2010 · Amount on File |
| Deed Document Number | 2010118781 |
| Last Transfer Date | Dec 18, 2013 |
| Transfer Doc | 0000294798 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 21 Wanda Way was $3,870 with a homeowner's exemption.
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Unified School District | Martinez Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $274,649 (+2%) Land $113,230 Building $161,419 | |
| 2025 | $3,870.00 Homeowner's exemption | $269,264 Land $111,010 Building $158,254 |
| 2023 | $6,445.00 (+0.94%) Homeowner's exemption | $258,809 Land $106,700 Building $152,109 |
| 2022 | $6,385.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 21 Wanda Way in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
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 |
|---|---|
| Nearest Special Flood Hazard Area | Zone A, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 8 in force |
| Nearby Flood Claims | 4 (1995–1998) |
| Claims Outside the SFHA | 1 of 4 |
| Most Recent Claim | Mar 1998 · Severe Winter Storms And Flooding |
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 21 Wanda Way is high, ranking above 78% of the US, with a 0.5% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | High above 78% of the US · above 55% of California |
|---|---|
| Wildfire Likelihood | 0.5% 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 | CITY OF MARTINEZ serves 31,015 people · EPA ID CA0710006 |
|---|---|
| Water Source | Purchased surface water from CONTRA COSTA WATER DISTRICT |
| Last State Inspection | Oct 2025 |
| Lead | Under 1 ppb (2023–2025) 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 105 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
May also be available: T-Mobile.
5G (outdoors only) and 4G LTE
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