Contra Costa County property record for 3817 Holway Dr, Byron, CA 94514
| Property Type | Single Family Home |
|---|---|
| Details | 338 sqft · built 1937 |
| Lot Size | 0.405 acres (17,650 sqft) |
| Owner | Company Name on Record |
| Tax Bill | $1,356 (2025) |
| Flood Zone | Zone X (moderate risk) |
| APN | 002-090-009-8 |
| Primary APN | 002-090-009-8 |
|---|---|
| Alternative APN |
|
| Stories | 1 Story |
|---|---|
| Building Area | 338 sqft Living Area |
| 1st Floor Area | 338 sqft |
| Year Built | Built 1937 |
|---|---|
| Effective Year Built | Effective 1937 |
| Lot Area | 17,650 sqft (0.405 acres) |
| Street Address | 3815 HOLWAY DR, 3817 |
|---|---|
| City | BYRON |
| State | CA |
| Zip | 94514-1000 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | RB |
| Legal Description | TOWN OF BYRON LOT 2 |
| Legal Subdivision | BYRON |
| Legal Lot Number | 2 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | EAST CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1084 |
| Census Tract | 304002 |
Source: Contra Costa County records, as of July 14, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on Record |
|---|---|
| Mailing Address | PO BOX 301, BYRON, CA 94514-0301 |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Transfer Date | Mar 16, 1998 |
| Transfer Doc | 0000056477 |
| 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 | $19,530 (+1.99%) Land $13,950 Building $5,580 | |
| 2025 | $1,356.00 (+355.03%) | $19,148 (+4.03%) Land $13,677 Building $5,471 |
| 2023 | $298.00 (-87.54%) | $18,406 Land $13,147 Building $5,259 |
| 2022 | $2,391.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
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 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 | Moderate above 65% of the US · lower than 60% of California |
|---|---|
| Wildfire Likelihood | 0.2% 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 114 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 |
| T-Mobile Fixed Wireless | 100 / 20 |
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