Contra Costa County property record for 3247 Hosie Ave, Byron, CA 94514 · Last verified July 2026
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 1,390 sqft · built 1921 |
| Lot Size | 0.321 acres (14,000 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $1,773 (2025) |
| Flood Zone | Zone X (moderate risk) |
| APN | 002-070-025-8 |
| Primary APN | 002-070-025-8 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 1,390 sqft Living Area |
| 1st Floor Area | 1,390 sqft |
| Year Built | Built 1921 |
|---|---|
| Effective Year Built | Effective 1921 |
| Lot Area | 14,000 sqft (0.321 acres) |
| Garage Type | Attached |
| Garage Area | 371 sqft |
| Parking Spaces | 1 Parking Space |
| Street Address | 3247 HOSIE AVE |
|---|---|
| City | BYRON |
| State | CA |
| Zip | 94514-1004 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | PCL MAP 146 PG 36 PCL B |
| Legal Tract | 146PM36 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | EAST CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1030 |
| Census Tract | 304002 |
Source: Contra Costa County records · APN 002-070-025-8
Assessment roll updated July 14, 2026 · Last verified July 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 File |
|---|---|
| Mailing Address | PO BOX 472, BYRON, CA 94514-0472 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Record Updated | Sep 20, 2026 |
Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 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) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $65,459 (+2%) Land $29,561 Building $35,898 | |
| 2025 | $1,773.00 (+156.21%) Homeowner's exemption | $64,177 (+4.04%) Land $28,982 Building $35,195 |
| 2023 | $692.00 (-59.98%) Homeowner's exemption | $61,686 Land $27,857 Building $33,829 |
| 2022 | $1,729.00 |
Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060133040021, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Moderate |
| 500-Year Floodplain | Yes |
| Flood Insurance Cost | Premium on Record median of 22 individual NFIP policies nearby |
| 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 Storm |
|
| Wildfire Risk | Moderate above 62% of the US · above 37% of California |
|---|---|
| Wildfire Likelihood | About 1 in 552 per year |
| Exposure | Direct burnable vegetation at the parcel |
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: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 114 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Xfinity | Cable | 2,000 / 250 |
| Unwired | Fixed Wireless | 300 / 25 |
| Verizon | Fixed Wireless | 300 / 20 |
| T-Mobile USA | Fixed Wireless | 100 / 20 |
Availability varies by address; speeds are provider-advertised maximums, not measured.
5G and 4G LTE
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