Contra Costa County property record for 4250 Camino Diablo, Byron, CA 94514
| Property Type | Federal Property (Exempt) |
|---|---|
| Lot Size | 10 acres (436,471 sqft) |
| Owner | Company Name on File |
| Last Sale | $744,000 (Apr 2018) |
| Deeds & Mortgages | Apr 2018 Sale |
| Flood Zone | Zone AE (high risk) |
| APN | 002-030-017-4 |
| Primary APN | 002-030-017-4 |
|---|---|
| Alternative APN |
|
| Lot Area | 436,471 sqft |
|---|
| Street Address | 4250 CAMINO DIABLO |
|---|---|
| City | BYRON |
| State | CA |
| Zip | 94514-0090 |
| Property Category | Public Works |
| Property Type | Public Works > Federal Property (Exempt) |
| Local Zoning Code | A3 |
| Legal Description | PCL MAP 155 PG 36 PCL C |
| Legal Tract | 155PM36 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | EAST CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1000 |
| Census Tract | 304002 |
4250 Camino Diablo, a public works property, is owned by a company that bought it in April 2018.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 1540 DISCOVERY BAY BLVD, A, DISCOVERY BAY, CA 94505-1002 |
| Owner Type | Company |
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 | Apr 20, 2018 · Amount on File |
| Deed Sale | Apr 20, 2018 · Amount on File |
| Prior Sale | Sep 26, 2005 · Amount on File |
| Deed Document Number | 201861277 |
| Prior Transfer Date | Mar 5, 2008 |
| Prior Transfer Doc | 0000062907 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Apr 20, 2018 |
| Property Address | 4250 CAMINO DIABLO, BYRON, CA 94514-0090 |
| Document Number | 0000061277 |
| Instrument Date | Apr 17, 2018 |
| Instrument | 61277 |
| Transaction Type | Transfer |
| Record Updated | Apr 26, 2018 |
| Title Company | CHICAGO TITLE COMPANY |
| Amount | Amount on Record |
|---|---|
| Tax | $818.40 |
| Amount Accuracy | Full Value |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | 1540 DISCOVERY BAY BLVD #A DISCOVERY BAY CA 945051002, A, DISCOVERY BAY, CA 94505-1002 |
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 | Assessed Value |
|---|---|
| 2026 | $891,126 Land $716,829 Building $174,297 |
| 2023 | $839,732 Land $675,486 Building $164,246 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 4250 Camino Diablo in Zone AE, a high-risk flood area within the regulatory floodway; flood insurance is required for federally backed loans.
Source: FEMA National Flood Hazard Layer, effective October 12, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone AE high risk |
|---|---|
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | Yes |
| Base Flood Elevation | Varies along the reach; see FIRM |
| Flood Insurance Requirement | Required federally backed loans |
| 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 4250 Camino Diablo is high, ranking above 84% 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 84% of the US · above 63% of California |
|---|---|
| Wildfire Likelihood | 0.6% annual chance |
| Exposure | Direct burnable vegetation |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: FCC Broadband Data Collection, based on 6 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Unwired Fixed Wireless | 300 / 25 |
| Starlink Satellite | 280 / 30 |
| AT&T Fixed Wireless · DSL in parts of the area | 25 / 3 |
May also be available: Matrix Broadband, Verizon, Xfinity.
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