Contra Costa County property record for 1965 Diablo Rd, Diablo, CA 94528
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 3 ba · 2,778 sqft · built 1920 |
| Lot Size | 1.27 acres (55,756 sqft) |
| Owner | Trust Name on File |
| Tax Bill | $7,654 (2025) |
| Deeds & Mortgages | Nov 2021 Line of Credit |
| Flood Zone | Zone X (minimal risk) |
| APN | 195-270-048 |
| Primary APN | 195-270-048 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 9 Rooms |
| Stories | 1 Story |
| Building Area | 2,778 sqft Living Area |
| 1st Floor Area | 2,778 sqft |
| Year Built | Built 1920 |
|---|---|
| Effective Year Built | Effective 1945 |
| Lot Area | 55,756 sqft |
| Garage Type | Attached |
| Garage Area | 432 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 1965 DIABLO RD |
|---|---|
| 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 SUB F |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1016 |
| Census Tract | 346205 |
1965 Diablo Rd is held in a trust since April 2015.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | PO BOX 9, DIABLO, CA 94528-0009 |
| Owner Type | Company |
| Vesting | Trust |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Last Transfer Date | Apr 30, 2015 |
| Transfer Doc | 0000104625 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 1965 DIABLO RD, DIABLO, CA 94528 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | FIDELITY NATIONAL TITLE |
| Name | Verified Name |
|---|---|
| Address | PO BOX 9, DIABLO, CA 94528-0009 |
| Document Number | 0000310845 |
|---|---|
| Date | Nov 8, 2021 |
| Instrument | 2021-310845 |
| Name | FIRST REPUBLIC BANK |
|---|---|
| Type | Bank |
| Address | SAN FRANCISCO, CA 94111 |
| Type | Line of Credit |
|---|---|
| Amount | Amount on Record |
| Term | 300 Months |
| Due | Nov 26, 2046 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 2.65% |
| Change Frequency | Monthly |
The 2025 property tax bill for 1965 Diablo Rd was $7,654.
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 | $552,561 (+2%) Land $283,310 Building $269,251 | |
| 2025 | $7,654.00 | $541,727 Land $277,755 Building $263,972 |
| 2023 | $7,351.00 (+0.98%) | $520,693 Land $266,970 Building $253,723 |
| 2022 | $7,280.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 1965 Diablo Rd in Zone X, an area of minimal flood risk, within 100 ft of a high-risk flood zone.
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 100 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on File 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.
Wildfire risk around 1965 Diablo Rd is high, ranking above 71% of the US, with a 0.3% annual chance of wildfire.
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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