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5489 Mountain Ridge Way, Antioch, CA 94531 Property Records

Contra Costa County property record for 5489 Mountain Ridge Way, Antioch, CA 94531

Property Summary

Property TypeSingle Family Home
Details3 bd · 2 ba · 2,086 sqft · built 2017
Lot Size0.134 acres (5,850 sqft)
OwnerTrust Name on File
Last Sale$507,500 (Apr 2018)
Tax Bill$9,431 (2025)
Deeds & MortgagesDec 2020 Mortgage
Dec 2020 Transfer
Flood ZoneZone X (minimal risk)
APN053-780-008-8

Property Details

APN / Parcel Number

Primary APN053-780-008-8
Alternative APN
  • 053-780-008

Interior

Bedrooms3 Beds
Full Baths2 Baths
Total Rooms8 Rooms
Stories1 Story
Building Area2,086 sqft Living Area
1st Floor Area2,086 sqft

Exterior

Year BuiltBuilt 2017
Effective Year BuiltEffective 2018
Lot Area5,850 sqft (0.134 acres)
Garage TypeAttached
Garage Area420 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemCentral

Location & Zoning

Street Address5489 MOUNTAIN RIDGE WAY
CityANTIOCH
StateCA
Zip94531-8697
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionT8846 L8
Legal SubdivisionPARK RDG 1 SUB 8846
Legal Tract8846
JurisdictionCONTRA COSTA CA
Township / Civil DivisionEAST CONTRA COSTA
Census Block Group4
Census Block4005
Census Tract302009

Owner

5489 Mountain Ridge Way is owner-occupied and held in a trust since December 2020.

Source: Contra Costa County records, as of July 14, 2026

Owner of RecordTrust Name on File
Mailing Address5489 MOUNTAIN RIDGE WAY, ANTIOCH, CA 94531-8697
OccupancyOwner Occupied
Owner TypeCompany
VestingTrust

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

DateDocument
Dec 24, 2020Affidavit of Death, Transfer
FLAGSTAR BK
Dec 24, 2020Quit Claim Deed, Transfer
FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO

Assessor's Deed Record

Deed NamesName on Deed
Last SaleApr 3, 2018 · Amount on File
Deed SaleApr 3, 2018 · Amount on File
Deed Document Number201850512
Last Transfer DateDec 18, 2020
Transfer Doc0000324661
Record UpdatedSep 20, 2026

December 2020: Affidavit of Death, Transfer

Document TypeAffidavit of Death
JurisdictionCONTRA COSTA CA
Recording DateDec 24, 2020
Property Address5489 MOUNTAIN RIDGE WAY, ANTIOCH, CA 94531-8697
Document Number0000324661
Instrument DateDec 17, 2020
Instrument324661
Transaction TypeTransfer
Record UpdatedJan 11, 2021
Title CompanyFIDELITY NATIONAL TITLE, FIDELITY TITLE

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipPersonal Trust
Address5489 MOUNTAIN RIDGE WAY ANTIOCH CA 945318697, ANTIOCH, CA 94531-8697

Mortgage

Document Number324663
DateDec 24, 2020
Instrument324663
Lender
NameFLAGSTAR BK
TypeBank
AddressTROY, MI 48098
Agreement
AmountAmount on Record
Term360 Months
DueDec 23, 2050

December 2020: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionCONTRA COSTA CA
Recording DateDec 24, 2020
Property Address5489 MOUNTAIN RIDGE WAY, ANTIOCH, CA 94531-8697
Document Number0000324662
Instrument DateDec 17, 2020
Instrument324662
Transaction TypeTransfer
Record UpdatedJan 8, 2021
Title CompanyFIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipPersonal Trust
Address5489 MOUNTAIN RIDGE WAY ANTIOCH CA 945318697, ANTIOCH, CA 94531-8697

Tax Assessment & Valuation

The 2025 property tax bill for 5489 Mountain Ridge Way was $9,431 with a homeowner's exemption.

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

Property Jurisdictions

TypeName
StateCalifornia
CountyContra Costa County
MunicipalityAntioch City
Unified School DistrictAntioch Unified School District (KG - 12)

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$588,757 (+2%) Land $193,466 Building $395,291
2025$9,431.00 Homeowner's exemption$577,214 Land $189,673 Building $387,541
2023$8,916.00 (+29.37%) Homeowner's exemption$554,802 Land $182,308 Building $372,494
2022$6,892.00

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

Flood

FEMA maps place 5489 Mountain Ridge Way in Zone X, an area of minimal flood risk.

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

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it
Community Rating SystemClass 6 (20% premium discount)
Nearby Flood Policies2 in force

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

The area around 5489 Mountain Ridge Way has no burnable land within ember reach, so its wildfire risk is not rated.

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

Wildfire RiskNot rated
no burnable land within 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 566 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable		2,000 / 250
Unwired
Fixed Wireless		300 / 25
T-Mobile
Fixed Wireless		100 / 20
AT&T
DSL · Fiber, Fixed Wireless in parts of the area		100 / 20

May also be available: Verizon.

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