Contra Costa County property record for 3831 Washington St, Byron, CA 94514
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,317 sqft · built 1990 |
| Lot Size | 0.167 acres (7,274 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $360,000 (Jun 2004) |
| Tax Bill | $6,681 (2025) |
| Deeds & Mortgages | Jul 2018 Line of Credit Apr 2022 Mortgage |
| Flood Zone | Zone X (moderate risk) |
| APN | 002-070-018-3 |
| Primary APN | 002-070-018-3 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,317 sqft Living Area |
| 1st Floor Area | 1,317 sqft |
| Year Built | Built 1990 |
|---|---|
| Effective Year Built | Effective 1990 |
| Lot Area | 7,274 sqft (0.167 acres) |
| Garage Type | Attached |
| Garage Area | 399 sqft |
| Parking Spaces | 1 Parking Space |
| Heating System | Central |
|---|
| Street Address | 3831 WASHINGTON ST |
|---|---|
| City | BYRON |
| State | CA |
| Zip | 94514-0109 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R6 |
| Legal Description | PCL MAP 135 PG 3 PCL A |
| Legal Tract | 135PM3 |
| 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, 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 | 2 Individual Names on Record |
|---|---|
| Mailing Address | 3831 WASHINGTON ST, BYRON, CA 94514-0109 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Date | Document |
|---|---|
| Jul 9, 2018 | Deed of Trust, Mortgage · Line of Credit JPMORGAN CHASE BANK NA |
| Apr 12, 2022 | Intrafamily Transfer, Transfer · Conventional Mortgage MUFG UNION BANK NA |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jun 2, 2004 · Amount on Record |
| Deed Sale | Jun 2, 2004 · Amount on Record |
| Prior Sale | Mar 2, 2001 · Amount on Record |
| Deed Document Number | 2004209062 |
| Last Transfer Date | Apr 5, 2022 |
| Transfer Doc | 0000063429 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 3831 WASHINGTON ST, BYRON, CA 94514-0109 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Name | Verified Name |
|---|
| Document Number | 0000108427 |
|---|---|
| Date | Jul 9, 2018 |
| Instrument | 2018-108427 |
| Name | JPMORGAN CHASE BANK NA |
|---|---|
| Type | Bank |
| Address | COLUMBUS, OH 43240 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Jul 5, 2048 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Apr 12, 2022 |
| Property Address | 3831 WASHINGTON ST, BYRON, CA 94514-0109 |
| Document Number | 0000063429 |
| Map Reference | MB 135 PG 3 |
| Instrument Date | Apr 5, 2022 |
| Instrument | 2022-063429 |
| Transaction Type | Transfer |
| Record Updated | Nov 3, 2022 |
| Title Company | FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 3831 WASHINGTON ST, BYRON, CA 94514-0109 |
| Document Number | 0000063430 |
|---|---|
| Date | Apr 12, 2022 |
| Instrument | 2022-063430 |
| Name | MUFG UNION BANK NA |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | May 1, 2052 |
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 | $522,063 (+2%) Land $253,781 Building $268,282 | |
| 2025 | $6,681.00 (+24.44%) Homeowner's exemption | $511,827 (+4.04%) Land $248,805 Building $263,022 |
| 2023 | $5,369.00 (-15.21%) Homeowner's exemption | $491,954 Land $239,145 Building $252,809 |
| 2022 | $6,332.00 |
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 62% of the US · lower than 62% of California |
|---|---|
| Wildfire Likelihood | 0.2% 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 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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