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3861 Washington St, Byron, CA 94514 Property Records

Contra Costa County property record for 3861 Washington St, Byron, CA 94514

Property Summary

Property TypeSingle Family Home
Details2 bd · 1 ba · 806 sqft · built 1965
Lot Size0.24 acres (10,454 sqft)
Owner2 Individual Names on Record
Last Sale$320,000 (Sep 2018)
Tax Bill$4,983 (2025)
Deeds & MortgagesJun 2021 Mortgage
Sep 2018 Sale & Mortgage
Flood ZoneZone X (moderate risk)
APN002-070-010

Property Details

APN / Parcel Number

Primary APN002-070-010
Alternative APN
  • 002-070-010-0

Interior

Bedrooms2 Beds
Full Baths1 Bath
Total Rooms4 Rooms
Stories1 Story
Building Area806 sqft Living Area
1st Floor Area806 sqft

Exterior

Year BuiltBuilt 1965
Effective Year BuiltEffective 1966
Lot Area10,454 sqft (0.24 acres)
Garage TypeAttached
Garage Area480 sqft
Parking Spaces2 Parking Spaces

Location & Zoning

Street Address3861 WASHINGTON ST
CityBYRON
StateCA
Zip94514
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeA2
Legal DescriptionPOR SEC 3 T1S R3E
Legal Range03E
Legal Township01S
Legal Section03
Legal SubdivisionBYRON EPSTEIN ADD
JurisdictionCONTRA COSTA CA
Township / Civil DivisionEAST CONTRA COSTA
Census Block Group1
Census Block1030
Census Tract304002

Owner

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 Record2 Individual Names on Record
Mailing AddressPO BOX 620712, REDWOOD CITY, CA 94062-0712
OccupancyOwner Occupied
Owner TypeIndividual
VestingCommunity Property

Deeds, Mortgages & Sale History

DateDocument
Jun 22, 2021Deed of Trust, Mortgage · Conventional Mortgage
QUICKEN LOANS LLC
Sep 12, 2018Grant Deed, Transfer · Conventional with PMI
QUICKEN LNS

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleSep 12, 2018 · Amount on Record
Deed SaleSep 12, 2018 · Amount on Record
Prior SaleAug 9, 2010 · Amount on Record
Deed Document Number2018146239
Prior Transfer DateNov 19, 1997
Prior Transfer Doc0000235514
Record UpdatedOct 29, 2026

June 2021: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address3861 WASHINGTON ST, BYRON, CA 94514
Transaction TypeMortgage
Record UpdatedNov 3, 2022
Title CompanyAMROCK INC

Transferred To (Grantee/Buyer)

NameVerified Name
Address3861 WASHINGTON ST, BYRON, CA 94514

Mortgage

Document Number0000179117
DateJun 22, 2021
Instrument2021-179117
Lender
NameQUICKEN LOANS LLC
TypeMortgage Company
AddressDETROIT, MI 48226
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term325 Months
DueJul 1, 2048

September 2018: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionCONTRA COSTA CA
Recording DateSep 12, 2018
Property Address3861 WASHINGTON ST, BYRON, CA 94514
Document Number0000146239
Instrument DateSep 11, 2018
Instrument146239
Transaction TypeTransfer
Record UpdatedSep 21, 2018
Title CompanyOLD REPUBLIC TITLE

Transaction

AmountAmount Recorded
DownpaymentDownpayment on Record
Loan-to-Value (LTV)LTV on Record
Tax$352.00
Amount AccuracyFull Value
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipCommunity Property
Address3861 WASHINGTON ST BYRON CA 94514, BYRON, CA 94514

Mortgage

Document Number146240
DateSep 12, 2018
Instrument146240
Lender
NameQUICKEN LNS
TypeFunding / Finance Company
AddressDETROIT, MI 48226
Agreement
TypeConventional with PMI
AmountAmount Recorded
Term360 Months
DueSep 11, 2048

Tax Assessment & Valuation

Source: Contra Costa County assessment roll, as of July 14, 2026

Property Jurisdictions

TypeName
StateCalifornia
CountyContra Costa County
Elementary School DistrictByron Union Elementary School District (KG - 08)
Secondary School DistrictLiberty Union High School District (09 - 12)

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$364,100 (+2%) Land $227,563 Building $136,537
2025$4,983.00 (+32.84%) Homeowner's exemption$356,961 (+4.04%) Land $223,101 Building $133,860
2023$3,751.00 (-20.86%) Homeowner's exemption$343,102 Land $214,439 Building $128,663
2022$4,740.00

Assessed value is set for property tax purposes and is not a market price estimate.

Flood

Source: FEMA National Flood Hazard Layer, effective October 12, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone X
moderate risk
500-Year FloodplainYes
0.2% annual chance
Flood Insurance RequirementNot required
lenders may require it
Flood Insurance CostPremium on Record
median of 22 policies
Community Rating SystemClass 6 (20% premium discount)
Nearby Flood Policies22 in force
Nearby Flood Claims7 (1980–2023)
Claims Outside the SFHA2 of 7
Most Recent ClaimMar 2023 · rainfall accumulation
Claims by Event
  • Severe Winter Storms, Flooding, Landslides, And Mudslides, Jan 2023 · 2 claims

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

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire RiskModerate
above 62% of the US · lower than 62% of California
Wildfire Likelihood0.2% annual chance
ExposureDirect
burnable vegetation

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Internet Providers

Source: FCC Broadband Data Collection, based on 114 locations within half a mile, as of December 31, 2025

ProviderMax 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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