Contra Costa County property record for 528 Isabel Dr, Martinez, CA 94553 · Last verified July 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 4 Beds |
| Bathrooms | 3 Baths |
| Year Built | Built 1987 |
| Square Footage | 2,264 sqft Living Area |
| Lot Size | 7,000 sqft (0.161 acres) |
| Garage | Attached, 462 sqft |
| Occupancy | Owner Occupied |
| Tax Bill | $5,296.00 (2025) |
| Primary APN | 155-450-020-5 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 10 Rooms |
| Building Area | 2,264 sqft Living Area |
| Gross Area | 2,726 sqft Gross Area |
| 1st Floor | 1,382 sqft 1st Floor |
| 2nd Floor | 882 sqft 2nd Floor |
| Stories | 2 Stories |
| Year Built | Built 1986 |
|---|---|
| Effective Year Built | Effective 1987 |
| Lot Area | 7,000 sqft (0.161 acres) |
| Parking Spaces | 2 Parking Spaces |
| Garage Type | Attached Garage |
| Garage Area | 462 sqft Garage |
| Street Address | 528 ISABEL DR |
|---|---|
| City | MARTINEZ |
| State | CA |
| Zip | 94553-6615 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | T05127 L0069 B |
| Legal Subdivision | SUDIVSION 5127 |
| Legal Tract | 05127 |
| Legal Lot Number | 69 |
| Jurisdiction | CONTRA COSTA CA |
| Minor Civil Division | CENTRAL CONTRA COSTA |
| Census Blockgroup | 2 |
| Census Block | 2001 |
| Census Tract | 321102 |
Source: Contra Costa County records · APN 155-450-020-5
Assessment roll updated July 14, 2026 · Last verified July 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 | 528 ISABEL DR, MARTINEZ, CA 94553-6615 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is a Company |
| Vesting | Owner is a Trust, Trust |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Transfer Date | May 09, 2024 |
| Transfer Doc | 0000048419 |
| Record Refreshed | Sep 20, 2026 |
Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Martinez City |
| Unified School District | Mount Diablo 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 | $408,111 (+2%) Land $99,554 Building $308,557 | |
| 2025 | $5,296.00 (+4.38%) Homeowner's exemption | $400,109 (+4.04%) Land $97,602 Building $302,507 |
| 2023 | $5,074.00 (+0.87%) Homeowner's exemption | $384,574 Land $93,813 Building $290,761 |
| 2022 | $5,030.00 |
Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Special Flood Hazard Area | No |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
Values are read at the parcel center point; lenders make the official flood determination.
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