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5576 Monaghan Way, Antioch, CA 94531 Property Records

Contra Costa County property record for 5576 Monaghan Way, Antioch, CA 94531

Property Summary

Property TypeSingle Family Home
Details3 bd · 2 ba · 2,019 sqft · built 2012
Lot Size0.152 acres (6,614 sqft)
Owner2 Individual Names on Record
Last Sale$435,000 (Jul 2015)
Tax Bill$6,481 (2025)
Deeds & MortgagesJan 2021 Mortgage
Flood ZoneZone X (minimal risk)
APN056-440-021-6

Property Details

APN / Parcel Number

Primary APN056-440-021-6
Alternative APN
  • 056-440-021

Interior

Bedrooms3 Beds
Full Baths2 Baths
Total Rooms7 Rooms
Stories1 Story
Building Area2,019 sqft Living Area
1st Floor Area2,019 sqft

Exterior

Year BuiltBuilt 2012
Effective Year BuiltEffective 2012
Lot Area6,614 sqft (0.152 acres)
Garage TypeAttached
Garage Area453 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemCentral

Location & Zoning

Street Address5576 MONAGHAN WAY
CityANTIOCH
StateCA
Zip94531-8678
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionT8951 L420
Legal SubdivisionSUBDIVISION 8951
Legal Tract8951
Legal Lot Number420
JurisdictionCONTRA COSTA CA
Township / Civil DivisionEAST CONTRA COSTA
Census Block Group2
Census Block2004
Census Tract302009

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 Address5576 MONAGHAN WAY, ANTIOCH, CA 94531-8678
OccupancyOwner Occupied
Owner TypeIndividual
VestingCommunity Property

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleJul 15, 2015 · Amount on Record
Deed SaleJul 15, 2015 · Amount on Record
Prior SaleAug 16, 2012 · Amount on Record
Deed Document Number2015146373
Prior Transfer DateJan 15, 2013
Prior Transfer Doc0000018567
Record UpdatedOct 29, 2026

January 2021: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address5576 MONAGHAN WAY, ANTIOCH, CA 94531-8678
Transaction TypeMortgage
Record UpdatedNov 3, 2022
Title CompanyNORTH AMERICAN TITLE

Transferred To (Grantee/Buyer)

NameVerified Name
Address5576 MONAGHAN WAY, ANTIOCH, CA 94531-8678

Mortgage

Document Number0000023059
DateJan 25, 2021
Instrument2021-023059
Lender
NameCATALYST MORTGAGE
TypeMortgage Company
AddressROSEVILLE, CA 95661
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueFeb 1, 2051

Tax Assessment & Valuation

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

Property Jurisdictions

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

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$525,243 (+2%) Land $81,500 Building $443,743
2025$6,481.00 (+4.31%) Homeowner's exemption$514,945 (+4.04%) Land $79,902 Building $435,043
2023$6,213.00 (+1.4%) Homeowner's exemption$494,950 Land $76,800 Building $418,150
2022$6,127.00

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

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

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

Wildfire RiskLow
lower than 80% of the US · lower than 88% of California
Wildfire Likelihood0.03% annual chance
ExposureNone
beyond ember reach

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

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water SystemCITY OF ANTIOCH
serves 116,781 people · EPA ID CA0710001
Water SourceSurface water
Last State InspectionJan 2024
LeadUnder 1 ppb (2022–2024)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 286 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
AT&T
Fiber		5,000 / 5,000
Xfinity
Cable		2,000 / 250
Unwired
Fixed Wireless		300 / 25

May also be available: T-Mobile, Verizon.

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