Contra Costa County property record for 3474 Camino Diablo, Byron, CA 94514
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 903 sqft · built 1920 |
| Lot Size | 0.13 acres (5,662 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $540,000 (Jun 2025) |
| Tax Bill | $2,143 (2025) |
| Flood Zone | Zone X (moderate risk) |
| APN | 002-150-016 |
| Primary APN | 002-150-016 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 903 sqft Living Area |
| 1st Floor Area | 903 sqft |
| Year Built | Built 1920 |
|---|---|
| Effective Year Built | Effective 1931 |
| Lot Area | 5,662 sqft (0.13 acres) |
| Street Address | 3474 CAMINO DIABLO |
|---|---|
| City | BYRON |
| State | CA |
| Zip | 94514-0075 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | A2 |
| Legal Description | POR NW 1/4 SEC 10 T1S R3E |
| Legal Range | 03E |
| Legal Township | 01S |
| Legal Section | 10 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | EAST CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1038 |
| Census Tract | 304002 |
Source: Contra Costa County records, as of August 18, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on Record |
|---|---|
| Mailing Address | 3474 CAMINO DIABLO, BYRON, CA 94514-0075 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jun 18, 2025 · Amount on Record |
| Deed Sale | Jun 18, 2025 · Amount on Record |
| Prior Sale | Sep 4, 2009 · Amount on Record |
| Deed Document Number | 202561478 |
| Prior Transfer Date | Mar 14, 2014 |
| Prior Transfer Doc | 0000050987 |
| Record Updated | Sep 20, 2026 |
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 | $550,800 (+505.36%) Land $280,500 Building $270,300 | |
| 2025 | $2,143.00 (+104.29%) | $90,987 (+4.04%) Land $51,627 Building $39,360 |
| 2023 | $1,049.00 (-49.59%) | $87,456 Land $49,623 Building $37,833 |
| 2022 | $2,081.00 |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
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 |
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on Record 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.
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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