Contra Costa County property record for 3864 Washington St, Byron, CA 94514
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,128 sqft · built 1970 |
| Lot Size | 0.115 acres (5,000 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $1,612 (2025) |
| Flood Zone | Zone X (moderate risk) |
| APN | 002-083-006-3 |
| Primary APN | 002-083-006-3 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 1,128 sqft Living Area |
| 1st Floor Area | 1,128 sqft |
| Year Built | Built 1970 |
|---|---|
| Effective Year Built | Effective 1971 |
| Lot Area | 5,000 sqft (0.115 acres) |
| Garage Type | Attached |
| Garage Area | 338 sqft |
| Parking Spaces | 1 Parking Space |
| Street Address | 3864 WASHINGTON ST |
|---|---|
| City | BYRON |
| State | CA |
| Zip | 94514-0109 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | RB |
| Legal Description | EPSTEIN ADDN LOT 12 BLK 8 |
| Legal Subdivision | EPSTEIN ADD |
| Legal Block | 8 |
| Legal Lot Number | 12 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | EAST CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1029 |
| Census Tract | 304002 |
Source: Contra Costa County records · APN 002-083-006-3
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 207, BYRON, CA 94514-0207 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Transfer Date | Jan 06, 2005 |
| Transfer Doc | 0000012323 |
| 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 | $50,536 (+2%) Land $9,315 Building $41,221 | |
| 2025 | $1,612.00 (+198.52%) Homeowner's exemption | $49,546 (+4.04%) Land $9,133 Building $40,413 |
| 2023 | $540.00 (-65.8%) Homeowner's exemption | $47,624 Land $8,779 Building $38,845 |
| 2022 | $1,579.00 |
Source: FEMA National Flood Hazard Layer as of October 12, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 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 |
|
| Wildfire Risk | Moderate above 62% of the US · lower than 62% of California |
|---|---|
| Wildfire Likelihood | 0.2% annual chance |
| 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 as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
Based on FCC filings for 114 locations within half a mile of this property.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures