Contra Costa County property record for 1828 Elderwood Dr, Martinez, CA 94553
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 3 ba · 2,094 sqft · built 1961 |
| Lot Size | 0.23 acres (10,030 sqft) |
| Owner | Trust Name on File |
| Last Sale | $184,000 (Oct 2016) |
| Tax Bill | $3,320 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 155-166-004-4 |
| Primary APN | 155-166-004-4 |
|---|---|
| Alternative APN |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 2,094 sqft Living Area |
| Gross Area | 2,454 sqft |
| 1st Floor Area | 1,594 sqft |
| 2nd Floor Area | 500 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1961 |
|---|---|
| Effective Year Built | Effective 1961 |
| Architectural Style | Ranch |
| Exterior Material | Stucco |
| Construction Type | Frame |
| Roof Material | Composition Shingle |
| Lot Area | 10,030 sqft (0.23 acres) |
| Garage Type | Attached |
| Garage Area | 360 sqft |
| Parking Spaces | 1 Parking Space |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 1828 ELDERWOOD DR |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-5353 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R75 |
| Legal Description | TRACT 2542 LOT 39 |
| Legal Subdivision | SUBDIVISION 2542 |
| Legal Tract | 2542 |
| Legal Lot Number | 39 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 4 |
| Census Block | 4007 |
| Census Tract | 321102 |
1828 Elderwood Dr is owner-occupied and held in a trust since October 2016.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 1828 ELDERWOOD DR, MARTINEZ, CA 94553-5353 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Oct 18, 2016 · Amount on File |
| Deed Sale | Oct 18, 2016 · Amount on File |
| Prior Sale | Oct 18, 2016 · Amount on File |
| Deed Document Number | 2016217149 |
| Prior Transfer Date | Sep 24, 2016 |
| Prior Transfer Doc | 0000217149 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 1828 Elderwood Dr was $3,320 with a homeowner's exemption.
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 | $221,851 (+2%) Land $107,754 Building $114,097 | |
| 2025 | $3,320.00 Homeowner's exemption | $217,502 Land $105,642 Building $111,860 |
| 2023 | $3,173.00 (+0.89%) Homeowner's exemption | $209,058 Land $101,541 Building $107,517 |
| 2022 | $3,145.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 1828 Elderwood Dr in Zone X, an area of minimal flood risk.
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 Policies | 2 in force |
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 1828 Elderwood Dr is low, with a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 96% of the US · lower than 97.4% of California |
|---|---|
| Wildfire Likelihood | 0.01% 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 558 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 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless · DSL · Fiber in parts of the area | 100 / 20 |
May also be available: Astound Broadband, Verizon.
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