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5545 Mountain Ridge Ct, Antioch, CA 94531 Property Records

Contra Costa County property record for 5545 Mountain Ridge Ct, Antioch, CA 94531

Property Summary

Property TypeSingle Family Home
Details5 bd · 4 ba · 3,529 sqft · built 2018
Lot Size0.112 acres (4,855 sqft)
OwnerIndividual Name on Record
Last Sale$730,500 (Apr 2019)
Tax Bill$12,052 (2025)
Deeds & MortgagesNov 2020 Mortgage
Apr 2019 Sale & Mortgage
Flood ZoneZone X (minimal risk)
APN053-780-022-9

Property Details

APN / Parcel Number

Primary APN053-780-022-9
Alternative APN
  • 053-780-022

Interior

Bedrooms5 Beds
Full Baths4 Baths
Total Rooms12 Rooms
Stories2 Stories
Building Area3,529 sqft Living Area
1st Floor Area1,850 sqft
2nd Floor Area1,679 sqft

Exterior

Year BuiltBuilt 2018
Effective Year BuiltEffective 2019
Lot Area4,855 sqft (0.112 acres)
Garage TypeAttached
Garage Area444 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemCentral

Location & Zoning

Street Address5545 MOUNTAIN RIDGE CT
CityANTIOCH
StateCA
Zip94531-8699
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionT8846 L22
Legal SubdivisionPARK RDG 1 SUB 8846
Legal Tract8846
JurisdictionCONTRA COSTA CA
Township / Civil DivisionEAST CONTRA COSTA
Census Block Group4
Census Block4005
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 RecordIndividual Name on Record
Mailing Address5545 MOUNTAIN RIDGE CT, ANTIOCH, CA 94531-8699
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

DateDocument
Nov 30, 2020Deed of Trust, Mortgage · Conventional Mortgage
CMG MORTGAGE INC
Apr 18, 2019Grant Deed, Subdivision Related Transfer · Conventional Mortgage
CMG MORTGAGE INC

Assessor's Deed Record

Deed NamesName on Deed
Last SaleApr 18, 2019 · Amount on Record
Deed SaleApr 18, 2019 · Amount on Record
Deed Document Number201953543
Record UpdatedSep 20, 2026

November 2020: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address5545 MOUNTAIN RIDGE CT, ANTIOCH, CA 94531-8699
Transaction TypeMortgage
Record UpdatedNov 3, 2022
Title CompanyCHICAGO TITLE

Transferred To (Grantee/Buyer)

NameVerified Name
Address5545 MOUNTAIN RIDGE CT, ANTIOCH, CA 94531-8699

Mortgage

Document Number0000290361
DateNov 30, 2020
Instrument2020-290361
Lender
NameCMG MORTGAGE INC
TypeMortgage Company
AddressSAN RAMON, CA 94583
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueDec 1, 2050

April 2019: Grant Deed, Subdivision Related Transfer

Document TypeGrant Deed
JurisdictionCONTRA COSTA CA
Recording DateApr 18, 2019
Property Address5545 MOUNTAIN RIDGE CT, ANTIOCH, CA 94531-8699
Document Number0000053543
Map ReferenceMB 531 PG 37
Instrument DateMar 29, 2019
Instrument2019-053543
Transaction TypeSubdivision Related Transfer
Record UpdatedNov 3, 2022
Title CompanyFIRST AMERICAN TITLE COMPANY

Transaction

AmountAmount Recorded
DownpaymentDownpayment on Record
Loan-to-Value (LTV)LTV on Record
Tax$0.00
Amount AccuracyRounded by County
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address5545 MOUNTAIN RIDGE CT, ANTIOCH, CA 94531-8699

Mortgage

Document Number0000053544
DateApr 18, 2019
Instrument2019-053544
Lender
NameCMG MORTGAGE INC
TypeMortgage Company
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueMay 1, 2049

Tax Assessment & Valuation

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$830,609 (+2%) Land $159,294 Building $671,315
2025$12,052.00 (+5.7%)$814,323 (+4.04%) Land $156,171 Building $658,152
2023$11,402.00 (+1.79%)$782,704 Land $150,107 Building $632,597
2022$11,201.00

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 · 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

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 416 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
AT&T
Fiber · DSL		5,000 / 5,000
Xfinity
Cable		2,000 / 250
Unwired
Fixed Wireless		300 / 25
Verizon
Fixed Wireless		300 / 20

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