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3790 Armstrong Rd, Byron, CA 94514 Property Records

Contra Costa County property record for 3790 Armstrong Rd, Byron, CA 94514 · Last verified July 2026

Property Summary

Property TypePasture
Details3,847 sqft · built 1983
Lot Size11.6 acres (508,301 sqft)
Owner2 Individual Names on File
Last Sale$950,000 (Sep 2014)
Tax Bill$12,590 (2025)
Deeds & MortgagesJan 2020 Mortgage
Flood ZoneZone AE (high risk)
APN001-011-017-9

Property Details

APN / Parcel Number

Primary APN001-011-017-9
Alternative APN
  • 001-011-017

Interior

Stories1 Story
Building Area3,847 sqft Gross Area
1st Floor Area3,847 sqft

Exterior

Year BuiltBuilt 1983
Effective Year BuiltEffective 1984
Lot Area508,301 sqft
Parking Spaces3 Parking Spaces

Location & Zoning

Street Address3790 ARMSTRONG RD
CityBYRON
StateCA
Zip94514-1614
Property CategoryAgriculture or Farming
Property TypeAgriculture / Farming > Pasture
Legal DescriptionREC OF SURV 43 LSM 35 PCL A EX 1/2 MR
JurisdictionCONTRA COSTA CA
Township / Civil DivisionEAST CONTRA COSTA
Census Block Group1
Census Block1033
Census Tract304002

Owner

Source: Contra Costa County records · APN 001-011-017-9

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 Record2 Individual Names on File
Mailing Address3790 ARMSTRONG RD, BYRON, CA 94514-1614
OccupancyOwner Occupied
Owner TypeIndividual
VestingJoint Tenants

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last SaleSep 26, 2014 · Amount on Record
Deed SaleSep 26, 2014 · Amount on Record
Prior SaleApr 29, 2011 · Amount on Record
Deed Document Number2014164243
Prior Transfer DateAug 01, 1996
Prior Transfer Doc0000144297
Record UpdatedSep 20, 2026

January 2020: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address3790 ARMSTRONG RD, BYRON, CA 94514-1614
Transaction TypeMortgage
Record UpdatedNov 03, 2022
Title CompanyORTC

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0000011697
DateJan 21, 2020
Instrument2020-011697
Lender
NameFINANCE OF AMERICA MORTGAGE LLC
TypeMortgage Company
AddressHORSHAM, PA 19044
Agreement
TypeVA Mortgage
AmountAmount Recorded
Term361 Months
DueFeb 01, 2050

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$1,164,581 (+2%) Land $465,832 Building $698,749
2025$12,590.00 (+4.91%) Homeowner's exemption$1,141,748 (+4.04%) Land $456,699 Building $685,049
2023$12,001.00 (+1.61%) Homeowner's exemption$1,097,415 Land $438,966 Building $658,449
2022$11,811.00

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 AE
Special Flood Hazard AreaYes
Flood HazardHigh
100-Year FloodplainYes
1% annual chance
FloodwayNo
Base Flood ElevationVaries along the reach; see FIRM
Flood Insurance RequirementRequired (federally backed mortgages)
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 RiskHigh
above 90% of the US · above 72% of California
Wildfire LikelihoodAbout 1 in 92 per year
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, availability as of December 31, 2025 · Published October 2026 · based on 1 locations within about half a mile of this property, a small sample

ProviderTechnologyDownload / Upload (Mbps)
UnwiredFixed Wireless300 / 25
Zinnia NetworksFixed Wireless (unlicensed)100 / 20
VerizonFixed Wireless25 / 6
AT&TFixed Wireless25 / 3

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

Mobile Coverage

5G and 4G LTE

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