Contra Costa County property record for 3519 Camino Diablo, Byron, CA 94514
| Property Type | Single Family Home |
|---|---|
| Details | 6 bd · 4 ba · 3,175 sqft · built 1999 |
| Lot Size | 0.79 acres (34,412 sqft) |
| Owner | Trust Name on File |
| Last Sale | $250,000 (Oct 2007) |
| Tax Bill | $9,079 (2025) |
| Flood Zone | Zone X (moderate risk) |
| APN | 002-040-048-7 |
| Primary APN | 002-040-048-7 |
|---|---|
| Alternative APN |
|
| Bedrooms | 6 Beds |
|---|---|
| Full Baths | 4 Baths |
| Total Rooms | 13 Rooms |
| Stories | 1 Story |
| Building Area | 3,175 sqft Living Area |
| Gross Area | 1,675 sqft |
| 1st Floor Area | 1,675 sqft |
| Year Built | Built 1999 |
|---|---|
| Effective Year Built | Effective 1999 |
| Lot Area | 34,412 sqft (0.79 acres) |
| Garage Area | 400 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|
| Street Address | 3517 CAMINO DIABLO, 3519 |
|---|---|
| City | BYRON |
| State | CA |
| Zip | 94514-0076 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | A2 |
| Legal Description | POR SEC 3 T1S R3E |
| Legal Range | 03E |
| Legal Township | 01S |
| Legal Section | 03 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | EAST CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1030 |
| Census Tract | 304002 |
3519 Camino Diablo is held in a trust since October 2007.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | PO BOX 231, BOULDER CREEK, CA 95006-0231 |
| 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 Sale | Oct 10, 2007 · Amount on File |
| Deed Sale | Oct 10, 2007 · Amount on File |
| Prior Sale | Jul 30, 2007 · Amount on File |
| Deed Document Number | 2007283189 |
| Prior Transfer Date | Jul 18, 2001 |
| Prior Transfer Doc | 0000215802 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 3519 Camino Diablo was $9,079.
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Elementary School District | Byron Union Elementary School District (KG - 08) |
| Secondary School District | Liberty Union High School District (09 - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $636,382 (+2%) Land $341,636 Building $294,746 | |
| 2025 | $9,079.00 | $623,905 Land $334,938 Building $288,967 |
| 2023 | $6,661.00 (-23.02%) | $599,680 Land $321,933 Building $277,747 |
| 2022 | $8,653.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 3519 Camino Diablo in Zone X, an area of moderate flood risk, though there have been 7 flood claims nearby since 1980.
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 moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on File median of 22 policies |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 22 in force |
| Nearby Flood Claims | 7 (1980–2023) |
| Claims Outside the SFHA | 2 of 7 |
| Most Recent Claim | Mar 2023 · rainfall accumulation |
| Claims by Event |
|
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 3519 Camino Diablo is high, ranking above 80% of the US, with a 0.6% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | High above 80% of the US · above 58% of California |
|---|---|
| Wildfire Likelihood | 0.6% 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: FCC Broadband Data Collection, based on 39 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 1,200 / 35 |
| Unwired Fixed Wireless | 300 / 25 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Verizon.
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