Contra Costa County property record for 139 el Centro, Diablo, CA 94528 · Last verified July 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 4 Beds |
| Bathrooms | 2 Baths |
| Year Built | Built 1985 |
| Square Footage | 1,848 sqft Living Area |
| Lot Size | 9,000 sqft (0.207 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $1,260,000 (2019) |
| Tax Bill | $7,444.00 (2025) |
| Primary APN | 195-270-039-9 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Building Area | 1,848 sqft Living Area |
| 1st Floor | 1,578 sqft 1st Floor |
| 2nd Floor | 270 sqft 2nd Floor |
| Stories | 2 Stories |
| Fireplace | Fireplace |
| Fireplaces | 1 Fireplaces |
| Year Built | Built 1954 |
|---|---|
| Effective Year Built | Effective 1985 |
| Architectural Style | Contemporary Style |
| Exterior Material | Brick Exterior |
| Roof Material | Slate Roof |
| Lot Area | 9,000 sqft (0.207 acres) |
| Depth X Width | 100 ft x 100 ft Depth x Width |
| Parking Spaces | 2 Parking Spaces |
| Garage Type | Attached Garage |
| Garage Area | 594 sqft Garage |
| Cooling System | Central Cooling |
|---|---|
| Heating System | Forced Air with Air Conditioning Heating |
| Heating Fuel | Gas Heating Fuel |
| Sewage | Municipal Sewage |
| Water Source | Commercial Water Source |
| Street Address | 139 EL CENTRO |
|---|---|
| City | DIABLO |
| State | CA |
| Zip | 94528 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | RESUB DIABLO EST PK #1 LT D, POR C&E,TR ADJ |
| Legal Subdivision | MOUNT DIABLO ESTATE PARK |
| Legal Lot Number | D |
| Jurisdiction | CONTRA COSTA CA |
| Minor Civil Division | CENTRAL CONTRA COSTA |
| Census Blockgroup | 1 |
| Census Block | 1019 |
| Census Tract | 346205 |
Source: Contra Costa County records · APN 195-270-039-9
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 | 2 Company Names on File |
|---|---|
| Mailing Address | 139 EL CENTRO, DIABLO, CA 94528 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is a Company |
| Vesting | Owner is a Trust, Trust |
| Date | Document |
|---|---|
| Feb 11, 2020 | Deed of Trust, Mortgage · Line of Credit CITIBANK NA |
| Oct 02, 2019 | Grant Deed, Transfer CHICAGO TITLE COMPANY, CHICAGO TITLE CO |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Oct 02, 2019 · Amount on Record |
| Deed Sale | Oct 02, 2019 · Amount on Record |
| Prior Sale | Oct 25, 1994 · Amount on Record |
| Deed Doc Number | 2019165387 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 139 EL CENTRO, DIABLO, CA 94528 |
| Transaction Type | Mortgage |
| Record Updated | Nov 03, 2022 |
| Title Company | TITLE CONNECT INC SANTA ANA |
| Name | Verified Name |
|---|
| Document Number | 0000025489 |
|---|---|
| Date | Feb 11, 2020 |
| Instrument | 2020-025489 |
| Name | CITIBANK NA |
|---|---|
| Type | Bank |
| Address | SIOUX FALLS, SD 57104 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly (Revolving credit lines are monthly unless stated otherwise). |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Oct 02, 2019 |
| Property Address | 139 EL CENTRO, DIABLO, CA 94528 |
| Document Number | 0000165387 |
| Instrument Date | Sep 30, 2019 |
| Instrument | 165387 |
| Transaction Type | Transfer |
| Record Updated | Oct 16, 2019 |
| Title Company | CHICAGO TITLE COMPANY, CHICAGO TITLE CO |
| Amount | Amount Recorded |
|---|---|
| Tax | $1,386.00 |
| Amount Accuracy | Full Value |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Personal Trust |
| Address | 139 EL CENTRO DIABLO CA 94528, DIABLO, CA 94528 |
Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Unified School District | San Ramon Valley Unified School District (KG - 12) |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $555,450 (+2%) Land $398,237 Building $157,213 | |
| 2025 | $7,444.00 (+2.21%) Homeowner's exemption | $544,560 (+4.04%) Land $390,429 Building $154,131 |
| 2023 | $7,283.00 (+1%) Homeowner's exemption | $523,416 Land $375,269 Building $148,147 |
| 2022 | $7,211.00 |
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 | High above 71% of the US · above 46% of California |
|---|---|
| Wildfire Likelihood | About 1 in 299 per year |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
Values are read at the parcel center point; lenders make the official flood determination.
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