Contra Costa County property record for 1970 la Cadena, Diablo, CA 94528
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 5 ba · 6,312 sqft · built 2020 |
| Lot Size | 1.85 acres (80,586 sqft) |
| Owner | Company Name on Record |
| Last Sale | $3,562,500 (Feb 2018) |
| Tax Bill | $69,481 (2025) |
| Deeds & Mortgages | Feb 2018 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 195-270-047-2 |
| Primary APN | 195-270-047-2 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 5 Baths |
| Total Rooms | 14 Rooms |
| Stories | 1 Story |
| Building Area | 6,312 sqft Living Area |
| 1st Floor Area | 6,312 sqft |
| Year Built | Built 2020 |
|---|---|
| Effective Year Built | Effective 2021 |
| Lot Area | 80,586 sqft |
| Garage Type | Attached |
| Garage Area | 1,725 sqft |
| Parking Spaces | 6 Parking Spaces |
| Cooling System | Central |
|---|
| Street Address | 1970 LA CADENA |
|---|---|
| City | DIABLO |
| State | CA |
| Zip | 94528 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R20 |
| Legal Description | POR MT DIABLO EST PARK #1 |
| Legal Subdivision | MOUNT DIABLO ESTATE PARK 01 |
| Legal Lot Number | 151 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1016 |
| 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 | PO BOX 523, DIABLO, CA 94528-0523 |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Feb 9, 2018 · Amount on Record |
| Deed Sale | Feb 9, 2018 · Amount on Record |
| Prior Sale | Jan 30, 2004 |
| Deed Document Number | 201820829 |
| Prior Transfer Date | Dec 20, 1993 |
| Prior Transfer Doc | 0000374896 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Feb 9, 2018 |
| Property Address | 1970 LA CADENA, DIABLO, CA 94528 |
| Document Number | 0000020829 |
| Instrument Date | Jan 30, 2018 |
| Instrument | 20829 |
| Transaction Type | Transfer |
| Record Updated | Feb 14, 2018 |
| Title Company | FIDELITY NATIONAL TITLE |
| Amount | Amount Recorded |
|---|---|
| Tax | $3,918.75 |
| Amount Accuracy | Full Value |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Personal Trust |
| Address | PO BOX 523 DIABLO CA 945280523, DIABLO, CA 94528-0523 |
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 | $6,377,728 (+2%) Land $2,437,227 Building $3,940,501 | |
| 2025 | $69,481.00 (+5.34%) | $6,252,676 (+5.86%) Land $2,389,439 Building $3,863,237 |
| 2023 | $65,956.00 (+57.47%) | $5,906,655 Land $2,296,655 Building $3,610,000 |
| 2022 | $41,886.00 |
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 71% of the US · above 46% of California |
|---|---|
| Wildfire Likelihood | 0.3% annual chance |
| Exposure | Direct burnable vegetation |
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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