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5431 Spring Mountain Ln, Antioch, CA 94531 Property Records

Contra Costa County property record for 5431 Spring Mountain Ln, Antioch, CA 94531

Property Summary

Property TypeSingle Family Home
Details4 bd · 3.5 ba · 3,143 sqft · built 2022
Lot Size0.136 acres (5,935 sqft)
Owner2 Individual Names on Record
Last Sale$878,500 (Feb 2023)
Tax Bill$13,826 (2025)
Deeds & MortgagesFeb 2023 Sale & Mortgage
Flood ZoneZone X (minimal risk)
APN057-190-089-3

Property Details

APN / Parcel Number

Primary APN057-190-089-3
Alternative APN
  • 057-190-089

Interior

Bedrooms4 Beds
Full Baths3.5 Baths
Half Baths1 Half Bath
Total Rooms10 Rooms
Stories2 Stories
Building Area3,143 sqft Living Area
1st Floor Area1,601 sqft
2nd Floor Area1,542 sqft

Exterior

Year BuiltBuilt 2022
Effective Year BuiltEffective 2023
Lot Area5,935 sqft (0.136 acres)
Garage TypeAttached
Garage Area525 sqft
Parking Spaces2 Parking Spaces

Location & Zoning

Street Address5431 SPRING MOUNTAIN LN
CityANTIOCH
StateCA
Zip94531-6234
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionT9569 L89
Legal SubdivisionVINEYARDS/SAND CRK SUB 9569 PR
Legal Tract9569
JurisdictionCONTRA COSTA CA
Township / Civil DivisionEAST CONTRA COSTA
Census Block Group2
Census Block2011
Census Tract303207

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 Address5431 SPRING MOUNTAIN LN, ANTIOCH, CA 94531-6234
OccupancyOwner Occupied
Owner TypeIndividual
VestingJoint Tenants

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleFeb 23, 2023 · Amount on Record
Deed SaleFeb 23, 2023 · Amount on Record
Deed Document Number202316856
Record UpdatedSep 20, 2026

February 2023: Grant Deed, Subdivision Related Transfer

Document TypeGrant Deed
JurisdictionCONTRA COSTA CA
Recording DateFeb 23, 2023
Property Address5431 SPRING MOUNTAIN LN, ANTIOCH, CA 94531-6234
Document Number0000016856
Map ReferenceMB 549 PG 44-51
Instrument DateJan 31, 2023
Instrument2023-016856
Transaction TypeSubdivision Related Transfer
Record UpdatedAug 1, 2023
Title CompanyFIRST AMERICAN TITLE COMPANY HOMEBU, FIRST AMER TTL CO HOMEBUILDE

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
RelationshipJoint Tenants with Right of Survivorship
Address5431 SPRING MOUNTAIN LANE, ANTIOCH, CA 94531-6234

Mortgage

Document Number0000016857
DateFeb 23, 2023
Instrument2023-016857
Lender
NameLOANDEPOT.COM LLC
TypeMortgage Company
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueMar 1, 2053

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$931,951 (+2%) Land $233,465 Building $698,486
2025$13,826.00 (+44.56%)$913,679 (+63.03%) Land $228,888 Building $684,791
2023$9,564.00 (+292.29%)$560,452 Land $242,952 Building $317,500
2022$2,438.00

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
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 RiskModerate
above 61% of the US · lower than 63% of California
Wildfire Likelihood0.2% annual chance
ExposureIndirect
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 782 locations within half a mile, as of December 31, 2025

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

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