Contra Costa County property record for 1921 Elderwood Dr, Martinez, CA 94553
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,404 sqft · built 1972 |
| Lot Size | 0.216 acres (9,394 sqft) |
| Owner | Individual Name on File |
| Last Sale | $400,000 (Oct 2009) |
| Tax Bill | $6,912 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 155-130-002-1 |
| Primary APN | 155-130-002-1 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,404 sqft Living Area |
| 1st Floor Area | 1,404 sqft |
| Year Built | Built 1972 |
|---|---|
| Effective Year Built | Effective 1973 |
| Lot Area | 9,394 sqft (0.216 acres) |
| Garage Type | Attached |
| Garage Area | 459 sqft |
| Parking Spaces | 2 Parking Spaces |
| Heating System | Central |
|---|
| Street Address | 1921 ELDERWOOD DR |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-5330 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R7 5 |
| Legal Description | TRACT 3947 LOT 2 EX MR |
| Legal Subdivision | SPRING VALLEY |
| Legal Tract | 3947 |
| Legal Lot Number | 2 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2003 |
| Census Tract | 321101 |
1921 Elderwood Dr is owned and occupied by an individual who bought it in October 2009.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 1921 ELDERWOOD DR, MARTINEZ, CA 94553-5330 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Single Person |
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 22, 2009 · Amount on File |
| Deed Sale | Oct 22, 2009 · Amount on File |
| Deed Document Number | 2009247333 |
| Prior Transfer Date | Oct 19, 2009 |
| Prior Transfer Doc | 0000247331 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 1921 Elderwood Dr was $6,912 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 | $526,638 (+2%) Land $329,150 Building $197,488 | |
| 2025 | $6,912.00 Homeowner's exemption | $516,313 Land $322,697 Building $193,616 |
| 2023 | $6,589.00 (+1.89%) Homeowner's exemption | $496,266 Land $310,167 Building $186,099 |
| 2022 | $6,467.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 1921 Elderwood Dr in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 1993.
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 | 1 in force |
| Nearby Flood Claims | 1 (1993) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Jun 1993 · rainfall accumulation |
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 1921 Elderwood Dr is low, with less than 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 99.8% of the US · lower than 99.8% of California |
|---|---|
| Wildfire Likelihood | Under 0.01% 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 | 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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