Contra Costa County property record for 555 Diablo Rd, Danville, CA 94526
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1.5 ba · 2,938 sqft · built 1949 |
| Lot Size | 0.851 acres (37,050 sqft) |
| Owner | 2 Trust Names on File |
| Last Sale | $380,000 (Dec 1998) |
| Tax Bill | $11,322 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 216-141-013-5 |
| Primary APN | 216-141-013-5 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 7 Rooms |
| Stories | 2 Stories |
| Building Area | 2,938 sqft Living Area |
| 1st Floor Area | 2,386 sqft |
| 2nd Floor Area | 552 sqft |
| Year Built | Built 1949 |
|---|---|
| Effective Year Built | Effective 1975 |
| Lot Area | 37,050 sqft (0.851 acres) |
| Garage Type | Attached |
| Garage Area | 783 sqft |
| Parking Spaces | 3 Parking Spaces |
| Street Address | 555 DIABLO RD |
|---|---|
| City | DANVILLE |
| State | CA |
| Zip | 94526-3504 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | RO SAN RAMON HGTS #1 LOT 75 |
| Legal Subdivision | SAN RAMON HEIGHTS RHO 01 |
| Legal Lot Number | 75 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1008 |
| Census Tract | 346203 |
555 Diablo Rd is owner-occupied and held in a trust since May 2008.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 555 DIABLO RD, DANVILLE, CA 94526-3504 |
| Occupancy | Owner Occupied |
| 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 | 2 Names on Deed |
|---|---|
| Last Sale | Dec 2, 1998 · Amount on File |
| Deed Sale | Dec 2, 1998 · Amount on File |
| Deed Document Number | 1998301880 |
| Last Transfer Date | May 13, 2008 |
| Transfer Doc | 0000130859 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 555 Diablo Rd was $11,322 with a homeowner's exemption.
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Danville Town |
| Unified School District | San Ramon Valley Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $955,256 (+2%) Land $418,946 Building $536,310 | |
| 2025 | $11,322.00 Homeowner's exemption | $936,527 Land $410,732 Building $525,795 |
| 2023 | $10,803.00 (+0.75%) Homeowner's exemption | $900,163 Land $394,784 Building $505,379 |
| 2022 | $10,723.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 555 Diablo Rd in Zone X, an area of minimal flood risk.
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 |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 4 in force |
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 555 Diablo Rd is low, with a 0.02% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 66% of the US · lower than 80% of California |
|---|---|
| Wildfire Likelihood | 0.02% 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 337 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 |
| Verizon Fixed Wireless | 300 / 20 |
| AT&T Fixed Wireless · DSL | 100 / 20 |
May also be available: Etheric Networks.
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