Contra Costa County property record for 2048 Casa Nuestra, Diablo, CA 94528
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 2,096 sqft · built 1955 |
| Lot Size | 0.528 acres (23,000 sqft) |
| Owner | Company Name on Record |
| Tax Bill | $11,924 (2025) |
| Deeds & Mortgages | Feb 2017 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 195-250-025-2 |
| Primary APN | 195-250-025-2 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 2,096 sqft Living Area |
| 1st Floor Area | 2,096 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1955 |
|---|---|
| Effective Year Built | Effective 1955 |
| Architectural Style | Ranch |
| Exterior Material | Wood Siding |
| Roof Material | Wood Shingle |
| Lot Area | 23,000 sqft (0.528 acres) |
| Lot Dimensions | 228 ft deep x 100 ft wide |
| Garage Type | Carport |
| Garage Area | 404 sqft |
| Carport | Carport |
| Carport Area | 404 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Window A/C |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 2048 CASA NUESTRA |
|---|---|
| City | DIABLO |
| State | CA |
| Zip | 94528 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R20 |
| Legal Description | MT DIABLO EST PARK #1 320 |
| Legal Subdivision | MOUNT DIABLO ESTATE PARK 01 |
| Legal Lot Number | 320 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1013 |
| Census Tract | 346205 |
Source: Contra Costa County records, as of July 14, 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 Record |
|---|---|
| Mailing Address | 2048 CASA NUESTRA, DIABLO, CA 94528 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | May 28, 1998 |
| Deed Sale | May 28, 1998 |
| Deed Document Number | 1998118858 |
| Last Transfer Date | Feb 6, 2017 |
| Transfer Doc | 0000024344 |
| Record Updated | Sep 20, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Feb 7, 2017 |
| Property Address | 2048 CASA NUESTRA, DIABLO, CA 94528 |
| Document Number | 0000024344 |
| Instrument Date | Feb 6, 2017 |
| Instrument | 24344 |
| Transaction Type | Transfer |
| Record Updated | Feb 20, 2017 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Personal Trust |
| Address | PO BOX 654 DIABLO CA 945280654, DIABLO, CA 94528-0654 |
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Unified School District | San Ramon Valley Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $975,568 (+2%) Land $568,404 Building $407,164 | |
| 2025 | $11,924.00 (+2.69%) Homeowner's exemption | $956,440 (+4.04%) Land $557,259 Building $399,181 |
| 2023 | $11,612.00 (+0.9%) Homeowner's exemption | $919,302 Land $535,621 Building $383,681 |
| 2022 | $11,508.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
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 |
|---|---|
| Nearest Special Flood Hazard Area | Zone A, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on Record median of 18 policies |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 18 in force |
| Nearby Flood Claims | 1 (2017) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Feb 2017 · Severe Winter Storms, Flooding, And Mudslides |
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: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | High above 76% of the US · above 52% of California |
|---|---|
| Wildfire Likelihood | 0.5% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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 | EAST BAY MUD serves 1,468,000 people · EPA ID CA0110005 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Dec 2021 |
| Lead | Under 1 ppb (2022–2024) 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. This system sells water to local utilities; the supplier billing this address may be one of them.
Source: FCC Broadband Data Collection, based on 153 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 DSL | 100 / 20 |
May also be available: Verizon.
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