Contra Costa County property record for 25 Adelaide Dr, Martinez, CA 94553
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 1,166 sqft · built 1950 |
| Lot Size | 0.138 acres (6,000 sqft) |
| Owner | Company Name on File |
| Tax Bill | $2,015 (2025) |
| Deeds & Mortgages | Nov 2021 Transfer Nov 2021 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 161-221-012-8 |
| Primary APN | 161-221-012-8 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Stories | 2 Stories |
| Building Area | 1,166 sqft Living Area |
| 1st Floor Area | 768 sqft |
| 2nd Floor Area | 398 sqft |
| Year Built | Built 1950 |
|---|---|
| Effective Year Built | Effective 1960 |
| Lot Area | 6,000 sqft (0.138 acres) |
| Garage Type | Attached |
| Garage Area | 397 sqft |
| Parking Spaces | 1 Parking Space |
| Street Address | 25 ADELAIDE DR |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-3001 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R6 |
| Legal Description | PRICE PARK POR LOT 12 |
| Legal Subdivision | PRICE PARK |
| Legal Lot Number | 12 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2013 |
| Census Tract | 320001 |
Source: Contra Costa County records · APN 161-221-012-8
Assessment roll updated July 14, 2026 · Last verified August 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 25 ADELAIDE DR, MARTINEZ, CA 94553-3001 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Date | Document |
|---|---|
| Nov 03, 2021 | Affidavit of Death of Joint Tenant, Transfer |
| Nov 03, 2021 | Intrafamily Transfer, Transfer |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Transfer Date | Oct 18, 2021 |
| Transfer Doc | 0000306795 |
| Record Updated | Sep 20, 2026 |
| Document Type | Affidavit of Death of Joint Tenant |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Nov 03, 2021 |
| Property Address | 25 ADELAIDE DR, MARTINEZ, CA 94553-3001 |
| Document Number | 0000306794 |
| Map Reference | MB 25 PG 850 |
| Instrument Date | Oct 18, 2021 |
| Instrument | 2021-306794 |
| Transaction Type | Transfer |
| Record Updated | Nov 03, 2022 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 25 ADELAIDE DR, MARTINEZ, CA 94553-3001 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Nov 03, 2021 |
| Property Address | 25 ADELAIDE DR, MARTINEZ, CA 94553-3001 |
| Document Number | 0000306795 |
| Map Reference | MB 25 PG 850 |
| Instrument Date | Oct 18, 2021 |
| Instrument | 2021-306795 |
| Transaction Type | Transfer |
| Record Updated | Jun 07, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Living Trust |
| Address | 25 ADELAIDE DR, MARTINEZ, CA 94553-3001 |
Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified August 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Unified School District | Martinez Unified School District (KG - 12) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $83,315 (+2%) Land $21,042 Building $62,273 | |
| 2025 | $2,015.00 (+9.04%) Homeowner's exemption | $81,682 (+4.04%) Land $20,630 Building $61,052 |
| 2023 | $1,848.00 (+5.12%) Homeowner's exemption | $78,512 Land $19,830 Building $58,682 |
| 2022 | $1,758.00 |
Source: FEMA National Flood Hazard Layer as of October 12, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on Record median of 22 policies |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 22 in force |
| Nearby Flood Claims | 11 (1986–2022) |
| Claims Outside the SFHA | 2 of 11 |
| Most Recent Claim | Dec 2022 · Severe Winter Storms, Flooding, Landslides, And Mudslides |
| Claims by Event |
|
| Wildfire Risk | Low lower than 99.1% of the US · lower than 99.2% of California |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond ember reach |
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: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Radiate Holdings Fiber · Cable in parts of the area | 1,500 / 1,500 |
| Unwired Fixed Wireless | 300 / 25 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
May also be available: AT&T, Verizon.
Based on FCC filings for 210 locations within half a mile of this property.
5G (outdoors only) and 4G LTE
Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | CONTRA COSTA WATER DISTRICT serves 210,500 people |
|---|---|
| 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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.
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