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3645 Willow Way, Byron (Discovery Bay), CA 94505 Property Records

Contra Costa County property record for 3645 Willow Way, Byron, CA 94505

Property Summary

Property TypeOrchard (Fruit, Nut)
Details3 bd · 2.5 ba · 2,416 sqft · built 1997
Lot Size10.6 acres (462,171 sqft)
Owner2 Individual Names on File
Last Sale$125,000 (Aug 1997)
Tax Bill$16,084 (2025)
Deeds & MortgagesOct 2023 Mortgage
Jun 2023 Transfer
+ 2 more
Flood ZoneZone X (minimal risk)
APN011-200-041-9

Property Details

APN / Parcel Number

Primary APN011-200-041-9
Alternative APN
  • 011-200-041

Interior

Bedrooms3 Beds
Full Baths2.5 Baths
Half Baths1 Half Bath
Total Rooms1 Room
Stories1 Story
Building Area2,416 sqft Gross Area
1st Floor Area2,416 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1997
Effective Year BuiltEffective 1998
Exterior MaterialStucco
Roof MaterialTile
Lot Area462,171 sqft
Garage Area450 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemForced Air with A/C
Heating FuelGas
SewerSeptic

Location & Zoning

Street Address3645 WILLOW WAY
CityDISCOVERY BAY
StateCA
Zip94505
Property CategoryAgriculture or Farming
Property TypeAgriculture / Farming > Orchard (Fruit, Nut)
Local Zoning CodeA40
Legal DescriptionPCL MAP 129 PG 23 PCL B
Legal SubdivisionPM MS12-85
Legal Tract129PM23
JurisdictionCONTRA COSTA CA
Township / Civil DivisionEAST CONTRA COSTA
Census Block Group1
Census Block1088
Census Tract304002

Owner

Source: Contra Costa County records · APN 011-200-041-9

Assessment roll updated July 14, 2026 · Last verified August 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 File
Mailing Address3645 WILLOW WAY, DISCOVERY BAY, CA 94505
Owner TypeIndividual
VestingJoint Tenants

Deeds, Mortgages & Sale History

DateDocument
Oct 26, 2023Intrafamily Transfer, Transfer · Conventional Mortgage
ALAMEDA MORTGAGE CORP
Jun 05, 2023Intrafamily Transfer, Transfer
Jan 13, 2023Intrafamily Transfer, Transfer
Aug 30, 2021Deed of Trust, Mortgage · Reverse Mortgage
FINANCE OF AMERICA MORTGAGE LLC

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last SaleAug 05, 1997 · Amount on Record
Deed SaleAug 05, 1997 · Amount on Record
Deed Document Number1997139715
Last Transfer DateOct 23, 2023
Transfer Doc0000115509
Record UpdatedSep 20, 2026

October 2023: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionCONTRA COSTA CA
Recording DateOct 26, 2023
Property Address3645 WILLOW WAY, BYRON, CA 94505
Document Number0000115509
Map ReferenceMB 129 PG 23
Instrument DateOct 23, 2023
Instrument2023-115509
Transaction TypeTransfer
Record UpdatedNov 03, 2023
Title CompanyOLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipJoint Tenants
Address3725 WILLOW WAY, BYRON, CA 94514-1600

Mortgage

Document Number0000115510
DateOct 26, 2023
Instrument2023-115510
Lender
NameALAMEDA MORTGAGE CORP
TypeMortgage Company
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueNov 01, 2053

June 2023: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionCONTRA COSTA CA
Recording DateJun 05, 2023
Property Address3645 WILLOW WAY, BYRON, CA 94505
Document Number0000053032
Map ReferenceMB 129 PG 23
Instrument DateMay 23, 2023
Instrument2023-053032
Transaction TypeTransfer
Record UpdatedJun 14, 2023

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
AddressPO BOX 1598, DISCOVERY BAY, CA 94505-7598

January 2023: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionCONTRA COSTA CA
Recording DateJan 13, 2023
Property Address3645 WILLOW WAY, BYRON, CA 94505
Document Number0000003636
Map ReferenceMB 129 PG 23
Instrument DateDec 20, 2022
Instrument2023-003636
Transaction TypeTransfer
Record UpdatedJun 07, 2023

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipLiving Trust
AddressPO BOX 550, BYRON, CA 94514-0550

August 2021: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address3645 WILLOW WAY, BYRON, CA 94505
Transaction TypeMortgage
Record UpdatedNov 03, 2022
Title CompanyOLD REPUBLIC TITLE

Transferred To (Grantee/Buyer)

NameVerified Name
Address3645 WILLOW WAY, BYRON, CA 94505

Mortgage

Document Number0000242479
DateAug 30, 2021
Instrument2021-242479
Lender
NameFINANCE OF AMERICA MORTGAGE LLC
TypeMortgage Company
AddressCONSHOHOCKEN, PA 19428
Agreement
TypeReverse Mortgage
AmountAmount Recorded
Term887 Months
DueJul 01, 2095

Tax Assessment & Valuation

Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified August 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

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

YearTax BillAssessed Value
2026$1,485,690 (+2%) Land $854,272 Building $631,418
2025$16,084.00 (+159.21%)$1,456,560 (+157.53%) Land $837,522 Building $619,038
2023$6,205.00 (+1.6%) Homeowner's exemption$565,591 Land $191,835 Building $373,756
2022$6,107.00

Flood & Wildfire

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

Flood

FEMA Flood ZoneZone X
minimal risk
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

Wildfire

Wildfire RiskLow
lower than 62% of the US · lower than 77% of California
Wildfire Likelihood0.05% annual chance
ExposureDirect
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.

Internet Providers

Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026

ProviderMax Down / Up (Mbps)
Xfinity
Cable		2,000 / 250
Unwired
Fixed Wireless		300 / 25
AT&T
DSL		100 / 20

May also be available: T-Mobile USA.

Based on FCC filings for 19 locations within half a mile of this property.

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