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3940 Main St, Byron, CA 94514 Property Records

Contra Costa County property record for 3940 Main St, Byron, CA 94514 · Last verified July 2026

Property Summary

Property TypeCommercial Vacant Land
Details2,500 sqft · built 1946
Lot Size0.204 acres (8,875 sqft)
OwnerIndividual Name on File
Last Sale$275,000 (Jun 2018)
Tax Bill$2,608 (2025)
Deeds & MortgagesJun 2018 Sale
Feb 2017 Transfer
Flood ZoneZone X (moderate risk)
APN002-102-005-2

Property Details

APN / Parcel Number

Primary APN002-102-005-2
Alternative APN
  • 002-102-005

Interior

1st Floor Area2,500 sqft

Exterior

Lot Area8,875 sqft (0.204 acres)

Location & Zoning

Street Address3940 MAIN ST
CityBYRON
StateCA
Zip94514-1006
Property CategoryCommercial
Property TypeVacant Land > Commercial
Legal DescriptionTOWN OF BYRON POR LOTS 11 & 12
Legal SubdivisionTOWN OF BYRON
Legal Lot Number11,12
JurisdictionCONTRA COSTA CA
Township / Civil DivisionEAST CONTRA COSTA
Census Block Group1
Census Block1084
Census Tract304002

Owner

Source: Contra Costa County records · APN 002-102-005-2

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 RecordIndividual Name on File
Mailing Address757 3RD AVE, SAN FRANCISCO, CA 94118-3908
Owner TypeIndividual

Deeds, Mortgages & Sale History

DateDocument
Jun 15, 2018Grant Deed, Transfer
CHICAGO TITLE COMPANY
Feb 14, 2017Quit Claim Deed, Transfer
Quitclaim

Assessor's Deed Record

Deed NamesVerified Name on Deed
Last SaleJun 15, 2018 · Amount on Record
Deed SaleJun 15, 2018 · Amount on Record
Prior SaleJan 22, 2009 · Amount on Record
Deed Document Number201895021
Prior Transfer DateFeb 09, 2017
Prior Transfer Doc0000028088
Record UpdatedSep 20, 2026

June 2018: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionCONTRA COSTA CA
Recording DateJun 15, 2018
Property Address3940 MAIN ST, BYRON, CA 94514-1006
Document Number0000095021
Instrument DateMay 30, 2018
Instrument95021
Transaction TypeTransfer
Record UpdatedJun 26, 2018
Title CompanyCHICAGO TITLE COMPANY

Transaction

AmountAmount Recorded
Tax$302.50
Amount AccuracyFull Value
Additional
  • Arm's Length
  • Multiple Parcels

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address757 3RD AVE SAN FRANCISCO CA 941183908, SAN FRANCISCO, CA 94118-3908

February 2017: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionCONTRA COSTA CA
Recording DateFeb 14, 2017
Property Address3940 MAIN ST, BYRON, CA 94514-1006
Document Number0000028088
Instrument DateFeb 09, 2017
Instrument28088
Transaction TypeTransfer
Record UpdatedFeb 21, 2017

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Intrafamily Transfer
  • Multiple Parcels

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipLiving Trust
Address3920 LIGHTHOUSE PL DISCOVERY BAY CA 945051100, DISCOVERY BAY, CA 94505-1100

Tax Assessment & Valuation

Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 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$237,917 (+2%) Land $237,917
2025$2,608.00 (+4.82%)$233,252 (+4.04%) Land $233,252
2023$2,488.00 (+1.59%)$224,196 Land $224,196
2022$2,449.00

Flood & Wildfire

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

Flood

FEMA Flood ZoneZone X
Special Flood Hazard AreaNo
Flood HazardModerate
500-Year FloodplainYes
Nearest Special Flood Hazard AreaZone A, within 500 ft
Flood Insurance CostPremium on Record
median of 22 individual NFIP policies nearby
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 Storm
  • Severe Winter Storms, Flooding, Landslides, And Mudslides, Jan 2023 · 2 claims

Wildfire

Wildfire RiskModerate
above 65% of the US · above 40% of California
Wildfire LikelihoodAbout 1 in 446 per year
ExposureIndirect
within ember reach
Adjoins Burnable LandYes

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, availability as of December 31, 2025 · Published October 2026 · based on 114 locations within about half a mile of this property

ProviderTechnologyDownload / Upload (Mbps)
XfinityCable2,000 / 250
UnwiredFixed Wireless300 / 25
VerizonFixed Wireless300 / 20
T-Mobile USAFixed Wireless100 / 20

Availability varies by address; speeds are provider-advertised maximums, not measured.

Mobile Coverage

5G and 4G LTE

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